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Document:	RP05/RP06 Disk Drive Installation Manual
Order Number:	EK-RP056-IN
Revision:	001
Pages:	127
Original Filename:

OCR Text

RPO5/RPO06 d isk drive
installation manual

digital equipment corporation - maynard. massachusetts

RPO5/RPO06 disk drive
installation manual

EK-RP056-IN-001

digital equipment corporation - maynard, massachusetts

Preliminary, April 1976
1st Edition, March 1977

Copyright © 1976, 1977 by Digital Equipment Corporation
The material in this manual is for informational purposes and is subject to change without notice.

Digital Equipment Corporation assumes no responsi-

bility for any errors which may appear in this manual.
Printed in U.S.A.

This document was set on DIGITAL’s DECset-8000 computerized typesetting system.
DISCLAIMER

Removable media involve use, handling and maintenance which are beyond DEC’s direct control. DEC disclaims responsibility for performance of the Equipment
when operated with media not meeting DEC specifica-

tions or with media not maintained in accordance with
procedures approved by DEC. DEC shall not be liable
for damages to the Equipment or to media resulting
from such operation.

The following are trademarks of Digital Equipment
Corporation, Maynard, Massachusetts:

DEC

DECCOMM
DECsystem-10
DECSYSTEM-20

DECtape

DECUS
DIGITAL
MASSBUS

PDP

RSTS
TYPESET-8
TYPESET-11
UNIBUS

CONTENTS

INTRODUCTION . . . . o
e
e
MANUAL PURPOSE AND ORGANIZATION
Chapter Contents
. . . . . . . . . .«
Related Documentation
. . . . . . . .
Option Designations
. . . . . . . . . .
RPO5/RP06 DISK DRIVE SPECIFICATIONS
Features
. . . . . . .
e e
e e
Mechanical Specifications
. . . . . . .

(VT
O R

AN B W -

ek pd
e
pd pd
b
ol
ek

W o
o

p——t

W W

GENERAL INFORMATION

o R

CHAPTER 1
e

Page

e e e e e e e e s
e e e e e
. . . .. . . .. ... ...
. o e
. .
o000
e e e
. . .
o oo
. . . .. ... ... .. ...
e e e e e e e e e e e e e e e
. . ..o 00000
. . . . . . . . . . ..
oo o000

Electrical Specifications
Access Times . . . . . . . . . .
e e e e e e e e e e e e e e e
Operation
. . . . . . v i e
e
e e e e e e e e e e e e
e e e

CHAPTER 2

SITE PREPARATION

2.1

SPACE

2.2

CABLING

2.2.1

2.2.2

. . . .
.

e e e e e e e e e e e e e e e e e e e

. . . . .

Disk Pack

e e

. . .

RH11/RH70 Systems
RHIO/RH20 Systems

e e e e e e e e e

. . . . . . . .
o i e e e e
. . . . . . . o v v v i e e e e e e

2.3

POWER REQUIREMENTS

2.4

FLOOR LOADING

e e e e e e e e e

. .

. . . . . . . . . . .
.

2.5

INSTALLATION CONSTRAINTS

2.6

FIRE AND SAFETY PRECAUTIONS

CHAPTER 3

ENVIRONMENTAL CONSIDERATIONS

3.1

GENERAL

3.2

TEMPERATURE

3.3

RELATIVE HUMIDITY

3.4

HEAT DISSIPATION

3.5

ACOUSTICS

3.6

ALTITUDE

3.7

RADIATED EMISSIONS

3.8

AIR CIRCULATION

e e

e e
e

2-2
2-2

2-3

2-4

e e

2-4

. . . . . . . . . . ... ... ....

..o

2-4

e e
. .

. . . . . .

s e

e e e s
e

e e e

e e e e e e e e e e e e

3-1
3-1

3-1
3-1
3-1

3-2

e e e e e s s s h e

3-2

3.9

CLEANLINESS
. . . . .
e

3-2

CHAPTER 4

INSTALLATION

4.1

UNPACKING AND INSPECTION

4.2

INSTALLING THE RPO5/RPO6

. . . . .

Safety Precautions

e e e e e e e s e

. . . . . . .

. . . . . o

. . . . . . . . . .

. . . . . . . . . o

. . . . . . . . . .

Installation Procedure

. .

. . .

3-1

4.2.2

. o

2-1

4.2.1

. .

1-6

. . . . . . . . . . .

. . .

. .

1-5
1-6

2-2

e
e

. . . . e
e e
e
. . . . .

1-1
1-2
1-2
1-3
1-3
1-3
1-3
1-4
1-4

4-1

e, 4-12

e 4-12

...

v e

.o Lo 4-12

4.3

INSTALLATION CHECKS AND ADJUSTMENTS

4.3.1

DCL Unit Power Supply Voltage Checks

4.3.1.1

Regulator Board Module A1

. . . . . . . . . .. ... ... ... 4-17

4.3.1.2

Regulator Board Module A2

. . .

. .. .. ... .. .... 4-17

. . . . . ... . ... ... .. 4-17
. .

. .

.. ... ... ..... 4-17

CONTENTS (CONT)
i

Page
4.3.2

Drive Power Supply Voltage Check

4.3.2.1

4.3.2.2

. .

.. .. .. .... 4-19
e, 4-19

. . . . . . . . . . . . . . .

... 4-19

ACPower Checks

DCPowerChecks

4.3.3

Readiness Tests

4.3.4

Drive Cycle Up/Down Checks

4.3.5

Response to Abnormal Conditions

4.3.5.1

. .

. . . . . . . . . .

.., 4-19
. . . . . . . . . .
. o v v i
... 4-20

. . . . . . . . ...

Clearing an Unsafe Condition

4.3.5.2

Removing a Pack With No Drive Power
Detecting Head-to-Disk Interference

4.4.1
4.5

HEAD CLEANING

. . .

. . . . . . .

. .

4.5.1

Head Inspection Procedure

4.5.2

Possible Head Conditions

..
.

. . .

. .

4.5.2.2

DirtyHead

. .

4.5.2.3

Head/Disk Interference

4.6.1

4.6.1.2

4.6.2

Head Cleaning
POWER

.. . . .. .. .. 4-22

. . ... ... ... 4-22

4.6.1.1

. .

e, 4-29

. . . . . . . . . .. .. ... ...

CleanHead

4.5.3

. . 4-22

45.2.1

4.6

. . . . . .. .. ... ... 4-21
.

TESTER HOOKUP, ROUTINES, AND RUNOPTIONS
Tester Hookup

.. ... .... 4-21

. . . . . . . . ... .. .. ..... 4-21

4.3.5.3
4.4

. .
.

...

..... 4-29

...

... 4-30

.. 4-30

...

4-30

. . . . . . . . . . . . . . . . . ... ... 4-30
.

. .

. 4-30

e
e e 4-31

Power Conversion

. .

e e e e

e e

e e 4-31

50-Hz to 60-Hz Conversion

. . . . . . . . . .« . .

60-Hz to 50-Hz Conversion

. . . . . . . . . . . . .. ... .... 4-32

Power Configuration Check

v o v

. . . . . . . . . . . . . . ... ...

.. 4-31
... 4-32

4.6.2.1

60-Hz Drive

. . . . . . . . . e 4-32

4.6.2.2

50-Hz Drive

. . . . . . . . .

e e e e e e 4-34

CHAPTER 5

INSTALLING THE RP0O5/RP06 INTO AN RJP0O5/RJP06 SUBSYSTEM

5.1

INTRODUCTION

5.2

ELECTRICAL

. .

e e e
e

e d e

e e e

5-1
5-1

5.2.1

Power Cable Connections

. . . . . . . . . .«

i i e e e e

5-1

5.2.2

Unibus Cable Connections

. . . . . . . . o o v v v v v v v v i v e

5-3

v v i

5.2.2.1

Unibus A Connections

. . . . . . . . . ¢ o v v v v v v e

5.2.2.2

Unibus B Connections

. . . . . . . . . . . .

5.2.3

5.2.4

Massbus Cable Connections

ACLO,DCLO

JUMPER CONFIGURATIONS

5.3.1

BCT Module (M7295)

5-3

. v

5-3

. . . . . . . . . . . . . .«

. . . . .

5.3

e
. . . . . . . .

. . . . . .

.00

5-5

e e e e e e e e

5-6

e s e s e, 5-10

e e e e e e

5.3.1.2

BR Level Interrupt
. . . . . . . . . ..o Lo 5-10
NPR Latency
. . . . . . . . 0
e e e e e e e e e e 5-10

5.3.1.3
5.3.1.4

5.3.1.5

5.3.1.6
5.3.2

. . . . . . . . . . . . .

e e 5-10

5.3.1.1

e 5-10

Bus Grant . . . . . . . .
e e e e e e e e e e e e e e e 5-10
Vector Address Jumpers
. . . . . . . ..o
o 000 oL 5-11

MXF Jumper
. . . . . . . . .
DBC Module (M7294)
. . . . . . . . .

e
e
e 5-11
e e e e e e e 5-11

CONTENTS (CONT)
Page

.
.
.
i
.

. . . . . . . o o o o 0oL
. . . ..o o000
. ..o
oo
e e e
e e e e e e e
. . .. .. ... .. ... ..

5-11
5-11

5.4

NPR Cycle Selection Jumpers
. . . .
Unibus Parity Jumpers
Start Counter Jumpers
. . . .
CSR Module (M7296)
. . . . . .«
RH11 INSTALLATION PROCEDURE .

CHAPTER 6

RJIPO5/RIP06 FIELD ACCEPTANCE PROCEDURES AND DIAGNOSTICS

6.1

6.2.4

INTRODUCTION . . . . .
e
e e e e
e e e e e e e e
ERROR DEFINITIONS/RATES
. . . . . . . . . . ..
o
o
oo
Hard Errors
. . . . . o . o
e
e e e e e e e e
Soft Errors . . . . . .
e
e e e e e e e e e e e e e e e
Pack-Attributable Errors . . . . . . . . . .. oo
Seek Errors . . . . . . . .
e e e e e e e e e

6-1
6-1
6-1
6-3
6-3
6-3

6.3

RJPO5/RIPO6 FIELD ACCEPTANCE TEST

. . . . . . . . ... ... ...

6-3

5.3.2.1
5.3.2.2
5.3.2.3
5.3.3

6.2

6.2.1
6.2.2

6.2.3

5-11
5-12
5-12

6.3.1

Operational Checks, Single Controller

. . . . . . . . ... .. .. ...

6-3

6.3.2

Operational Checks, Dual Controller

. . . . . . . . . . . ... ... ..

6-6

6.4

DIAGNOSTIC MAINTENANCE

. . . . . . . .«

oo o

6-8

. . . . . . . . . . . . ... ...

6-8

6.4.1

MAINDEC-11-DZRJG and MAINDEC-11-DZRJH —

6.4.2

MAINDEC-11-DZRIJI and MAINDEC-11-DZRJJ —

6.4.3

MAINDEC-11-DZRJE and MAINDEC-11-DZRIJF —

RP04/05/06 Dual-Controller Logic Test (Parts
1and2)
. .. ...
. ..
MAINDEC-11-DZRJA — RP04/05/06 Mechanical and Read/Write Test .

6-9

6.4.4
6.4.5

MAINDEC-11-DZRJD — RP04/05/06 Multidrive Exerciser

6-9

6.4.6

MAINDEC-11-DZRJB — RP04/05/06 Formatter Program

6.4.7

MAINDEC-11-DZRIC — RP04/05/06 Head Alignment

RP04/05/06 Diskless Controller Test
RP04/05/06 Functional Controller Test

Verification Program

. . . . . . . . . ... ... ..

. . . . . . .

. . . . . . . . . . .. ... Lo 6-10

INSTALLING THE RP0O5/RP06 INTO AN RHPO5/RHP06 SUBSYSTEM

7.1

INTRODUCTION

7.2

ELECTRICAL

. . . .

. .

. . . . . . .

7.2.1

Power Cable Connections

7.2.2

Massbus Cable Connections

7-1

o s

7-1

. .

e e e e e e

. . . .

. .

. . . . . . . . . . . .

7-3

. ..o

7-4

7.3

RH10 MAINTENANCE PANEL

7.4

VISUAL INSPECTION

CHAPTER 8

RHPO5/RHP06 FIELD ACCEPTANCE PROCEDURES AND DIAGNOSTICS

8.1

INTRODUCTION

8.2

ERROR DEFINITIONS/RATES

8.2.1

Soft Errors

8.2.2

Hard Errors

8.2.3

Seek Errors

6-9

. . . . . . . . 6-10

CHAPTER 7

6-9

. . . . . . . . . . . ..

. . . . . . . .

. . . . . . .
. . . . . . .

. . . . . . .

e e e
e

e e

... ...
s e

e e,

7-4
7-6

8-1

e e e e e e

8-1

e e

8-1

e e e e

CONTENTS (CONT)

Page

8.2.4

Pack-Attributable Errors

8.2.5

Read Errors

. . . .

. . .
.

..o

8-1

. . s

. . .

. .

8-1

8.3

RHPO5/RHPO6 ACCEPTANCE TESTING

8.4

DIAGNOSTIC DESCRIPTIONS

CHAPTER 9

INSTALLING THE RPO5/RP06 INTO AN RTPO5/RTP06 SUBSYSTEM

9.1

INTRODUCTION

9.2

ELECTRICAL

9.2.1

9.2.1.1
9.2.1.2
9.2.2

. .

. . .

9-1

. . . . e
e
e

9-1

e
. . . .

e e

.« « o

e
v

8-2

9-1

. . . . . .

8-2

RPOS/RPO6

9-1

Massbus Cable Connections

. .

Power Cable Connections

RH20

. . . . . . . . . .. . ... ...

. . . . . . . .

e e e

9-2

o .o

9-2

. . . . . . . . . . .

CHAPTER 10

RTPOS5/RTP06 FIELD ACCEPTANCE PROCEDURES AND DIAGNOSTICS

10.1

INTRODUCTION

10.2

ERROR DEFINITIONS/RATES

. . . . o

e e e

e e e e d e

. . . . . . . .«

10.2.1

Soft Errors

. . . . . . . .

10.2.2

Hard Errors

. . . . . . . .

10.2.3

Seek Errors

10.2.4

Pack-Attributable Errors

. . . . . . .

s e e e

10-1

o oo,

10-1

e e e e e e e

10-1

o
e e

e e

e e e e

e e

10-1

e e e e e e e e e 10-1

. . . . . . . . . . ..o oo 10-1

10.4

Read Errors
. . . . . . . o
e
e e e e
e e
e 10-1
RTPOS5/RTP06 ACCEPTANCE TESTING . . . . . . . . .. .. ... .... 10-2
DIAGNOSTIC DESCRIPTIONS . . . . . . . .« o
e s
h e e e 10-2

CHAPTER 11

INSTALLING THE RP05/RP06 INTO AN RWP0O5/RWP06 SUBSYSTEM

10.2.5
10.3

11.1

INTRODUCTION

11.2

ELECTRICAL

11.2.1

Power Cable ConnectionsS
.
Module Locations
. . . . .
Massbus Cable Connections
JUMPER CONFIGURATIONS
.
BCT Module (M8153)
. . .
Register Selection . . .
BR Level Interrupt
. .
Vector Address Jumpers

11.2.2

. . . .

. . . . . .

e e e e e e e e e e e e
e

.
.
.
.
.
.
.

. .
.«
. .
. .
.«
. .
. .
. .

e e e e e e

e e

e s e e 11-1

e e s s e 11-1

. v v v v v v v i e e e e e e e e e e
o i i
e e e e e e e e e e e e e e
. . . v« v v v v it e e e e e e e
. .
o e
e e e e s e e e
.«
e
e e e e e e e e e e
. . . . ..o
oo oo
. . . . oL
. . . . ..o
0oL
n oo

11-1
11-1
11-1
11-1
11-4
11-4
11-4
11-5

MDP Module (M8150) . . . . . . . . . e 11-5
LIGHT-EMITTING DIODES (LEDs)
. . . . . . . .«
o v v v
.. 11-5

CONTENTS (CONT)
Page

CHAPTER 12

RWPO5/RWP06 FIELD ACCEPTANCE PROCEDURES AND DIAGNOSTICS

12.1

INTRODUCTION . . . .
o
e e
e e e e e e
e e e e
ERROR DEFINITIONS/RATES
. . . . . . . . . .
oo
oo oo,
Hard Errors
. . . . . . .
e
e
e
e e e e e e e e e
Soft Ertors . . . . . . . o
e
e e
e e e e e e e e e e e
Pack-Attributable Errors . . . . . . . . . . . ... oo
Seek Errors . . . . . . .
e e e e e e e e
e
RWPO5/RWP06 FIELD ACCEPTANCE TEST
. . . . . . . ... ... ...
DIAGNOSTIC MAINTENANCE
. . . . . . . . o
e
e
e s e
MAINDEC-11-DERHA — RH70 Controller Test . . . . . . . . ... ..

12.2

12.2.1
12.2.2

12.2.3
12.2.4

12.3
12.4

12.4.1
12.4.2

MAINDEC-11-DZRJG, MAINDEC-11-DZRJH —

12.4.3

MAINDEC-11-DZRJI, MAINDEC-11-DZRJJ —

124.4

MAINDEC-11-DZRJA — Mechanical Read/Write Test

12.4.5

MAINDEC-11-DZRJE, MAINDEC-11-DZRIJF —

RP04/RP05/RP0O6 Diskless Controller Test

. . . . . . . .. ... ... 12-4

RP04/RP0O5/RP06 Functional Controller Test

Dual-Port Logic Test (Partsl1and2)

12-1
12-1
12-1
12-1
12-1
12-3
12-3
12-3
12-4

. . . . . . ... ... .. 12-4

. . . . . ...
. 12-4

. ... .. .. ... ... .....

12-4

12.4.6

MAINDEC-11-DZRJD — Multidrive Exerciser

. . . . . . . . . . .. .. 12-5

12.4.7

MAINDEC-11-DZRJB — Formatter Program

. . . . . ... ... ... 12-5

12.4.8

MAINDEC-11-DZRJC — Head Alignment Verification Program

CHAPTER 13

OPTIONS

13.1

INTRODUCTION

13.2

DUAL-PORT OPERATION

. . . .

e e e e e e e e e

Converting to Dual-Port

13.2.2

Conversion Procedure

13.3

e s e

13-1

s e

13-1

. . . . . . . . . ... ..o 0oL,

13-1

. .

13.2.1

. .

. . . . . . . . . ..

UPGRADING THE RPOS TOANRPO6

13.3.1

Introduction

13.3.2

Mechanical Conversion

13.3.3

Head Conversion

13.3.4

Electrical Conversion

13.3.5

Test Procedure

. . . . . . . . . . ... ... ...
e

. . . . . . . . . . o

. . . . . . . . . . . o v v i
. . . . . . . .

Vil

oL oo

. . . . . . . ..

. . . . . . . . . .

. . . . . 12-6

v v v

e e

13-1
13-11

e e

13-11

e e e

13-11

e e e e

e e

13-12

e e

e e e e

13-13

e e

13-13

FIGURES

Title

Figure No.

1-1

Drive and DCL Assemblies

Page

..o

1-1

2-1

RPO5/RP06 Service Clearances (Front)

. . . . . . . . . . . . . . . . . ...

2-1

2-2

RPOS/RPO6 Service Clearances (Rear)

. . . . . . . . . . . . . .. . . . ...

2-2

2-3

Special 76-cm (30-in) BCO6S Cable Configuration for Drive End

3-1

Air Flow and Filtration System

3-2

Disk Pack Relationship of Disk Head, Disk, Contaminants

4-1

Special Tools for RPO5/RPO6 Installation

. .

. . . . .

... ...

2-3

...

3-3

. . . . . . . . ..

. . . . . . . . . . .. ... ....

4-3

. . . . . . . . . . . . . . . ... ... ...

4-6

4-2

Door Lock Override Mechanism

4-3

Location of Nameplate and Serial Number Tag

. . . . . . . . . . . .. ...

4-7

. . . . . . . . . . . . . . ... .... .

4-8

4-4

T-Block Viewed from Linear Motor

4-5

DCL/Drive Signal Interface Connections

4-6

Shipping Brackets

4-7

Absolute Filter and Pack Loading Rod

4-8

Shipping Spacers and Support Bar

4-9

RPO5/RPO6 Installation

4-10

RPO5/RP06 Connector Panel

4-11

Massbus Connector Prior to Mounting

4-12

Massbus Connector Mounted
. . . . . . . . . . . . ..o 4-16
Power Distribution (DCL Unit)
. . . . . . . . . . . . . . . ..
.
... 4-18

4-13

. . . . . . . . . . . . . . .. ...

4-8

. . . . . . . . . . ..o

4-9

. . . . . . . . . .. .. .. ... .. 4-10

. . . . . . . . . . . ..o
oL, 4-11

. . . . . . . . . . . o v i

e e

e e 4-13

. . . . . . . . . . . . . . . o 4-14
. . . . . . . . . . ... .. ... ... 4-15

4-14

RP0O5/RP06 800 Disk Storage Subsystem Tester

4-15

Tester Cable Hook-Up

4-16

Cleaning Heads in Drive
. . . . . . . . . . . . .« .
o o0 4-31
Transformer Primary and Secondary Connections . . . . . . . . . . .. ... 4-33
RH11 Module Utilization
. . . . . . . . . . . . e
5-2
Single-Port Unibus Configuration
. . . . . . . . . .. e
5-4
Dual-Port Configuration — Memory on Unibus B
. . . . . . . . . .. .. ..
5-4
Dual-Port Configuration Memory and Processor on Unibus B . . . . . . . ..
5-5

4-17

5-1
5-2

5-3
5-4

. . . . . . . .. ... ... 4-23

. . . . . . . . . . o o .« o

o oo 4-24

5-5

Massbus Cable System Configuration

5-6

Typical Power Fail Configuration for RH11 and Options

5-7

Mounted in Same Expander Box
. . . . . . . . . ..o
oo
Typical Power Fail Configuration for Two RH11s

Mounted in Same Expander Box

5-8

7-1
7-2
9-1
11-1

11-2
11-3

13-1
13-2

13-3
134

. . . . . . . . . . . . .. ... ...

. . . . . . . . .. .00

5-6

Typical Power Fail Configuration for RH11 and CPU

Mounted in Processor Box . . . . . . . . ...
oL
L oL
oo
RPO5/RP0O6 Register Format (RH10) . . . . .. FR
RH10/DF10/RP04/RP0O5/RP0O6 Interconnection Diagram
. . . . . . . . ..
RH20/DF10/RP04/RP0O5/RP0O6 Interconnection Diagram
. . . . . . . . ..
Module Utilization Chart
. . . . . . . . . . . . .«
L o
Massbus Cable System Configuration
. . . . . . . . . . . . . . . .
...
LED Physical Locations . . . . . . . . . . .. oo
Drive and DCL Assemblies Rear View, Rear Panels Removed . . . . . . . ..

59
7-2
7-3
9-2
11-2
11-3
11-6
13-2

. . . . . . . . . .« . . . oo oo 13-3
Card Nest in Horizontal Position
. . . . . . . . .. 13-4
DCL Rear View, Card Nest and Cable Assembly Extended
Card Nest and Cable Assembly PCB Layout . . . . . . . . . ... ... ... 13-5

viil

FIGURES (CONT)
Title

Figure No.

Page

13-5

Connecting Module

C(M5903)

. . . . . . . . . . . .

B(M5903)

. . . . . . . . . . . .

13-6

Connecting Module

13-7

Connecting Module A (M5903)

13-8

Module Locations of M5903S

. e 13-7
.

. . . . . . . . . . ... Lo
. . . . . . . ..

o o

13-8
13-9
13-10

TABLES

Title

Table No.

Page

4-1

Tools Required for RPO5/RP06 Installation

4-2

DC Voltages

4-3

Tester Routine Numbers and Run Options

4-4

Function Switch Operations

4-5

Hexadecimal-Octal Conversion

6-1

RPOS/RP0O6 Error Conditions

6-2

Format (MAINDEC-11-DZRJB) Run Procedure

12-1

RPO5/RP06 Error Conditions

. .

. . . . . . .. ... ... ....

e e

4-2

e 4-19

. . . . . . . . . ... ... ... 4-25

. . . . . . . . . . . . . .. .. ... ... ... 4-28
. . . . . . . .. e

e e e e e e e

. . . . . . v v v v v v e e e e e e e
. . .. . .. .. ... ...

. . . . . . . . . v v v v e e

e e e

4-29

6-2
6-5

e 12-2

CHAPTER 1
GENERAL INFORMATION

1.1
INTRODUCTION
The RP05/RP06 Disk Drive (Figure 1-1) is a high-performance, direct-access, single-head-per-surface

drive designed to enable a data-processing system to store and retrieve blocks of data at any location
on a rotating disk. The RP05/RPO06 consists of a 677-51 (RP05) or 677-01 (RP06) disk drive, which is
manufactured by Memorex, and a device control logic (DCL) unit, which is manufactured by Digital
Equipment Corporation. The DCL unit contains the control electronics required to supervise the
RPO05/RP06 operations.

DRIVE

DEVICE

SSiiiili

CONTROL

LOGIC (DCL)
ASSEMBLY

7771-2

Figure 1-1

Drive and DCL Assemblies

1-1

ASSEMBLY

The optional dual-access logic package may be accessed by either or both of the central processing

units (CPUs) on a time-sharing basis. A switch on the control panel of the drive permits the control
logic to select either or both CPUs.
NOTE
The primary functional difference between an RP05

and an RP06 Disk Drive is in their storage capacities. An RPOS can address up to 411 cylinders; an
RP06 can address up to 815 cylinders. Except for
this difference, the RP05 and RP06 are quite similar
in their functions and interfaces. In this manual,
when descriptions are applicable to both the RP05
and the RP06, they will be referred to either as the
RP05/RP06 Disk Drive, or simply as disk drives.
Where descriptions differ for the two drives, those
differences will be noted and the individual drives will
be referred to as the RP05 or RP06 Disk Drive.
1.2 MANUAL PURPOSE AND ORGANIZATION
This manual provides information on installing the RP0O5/RP06 Disk Drive into a computer system.
To accomplish this purpose, the manual is organized in 13 chapters and is supported by the related
documents listed in Paragraph 1.2.2.
1.2.1

Chapter Contents

Chapter 1 contains the general information necessary to introduce the RP05/RP06 and to present its
characteristics and specifications.

Chapter 2 discusses the planning required to make the installation site compatible with operation of
the RP05/RP06, with particular attention to such considerations as space, cabling, power, floor loading, and fire and safety precautions.

Chapter 3 covers the specific environmental characteristics of the RP0O5/RP06 with respect to temperature, relative humidity, air-conditioning and/or heat dissipation, acoustics, and cleanliness.

Chapter 4 describes the actual step-by-step process of installing the unit, from unpacking through
preliminary checks and power verification.

Chapter 5 describes how to install the RPO5S/RP06 Disk Drive as a part of the RJPO5/RJP06 subsystem. Chapter 6 lists the field acceptance procedures and diagnostics appropriate to such an
installation.

Chapter 7 describes how to install the RPO5/RP06 Disk Drive as a part of the RHP05/RHP06 subsystem. Chapter 8 lists the field acceptance procedures and diagnostics appropriate to such an
installation.

Chapter 9 describes how to install the RP05/RP06 Disk Drive as a part of the RTPO5/RTP06 subsystem. Chapter 10 lists the field acceptance procedures and diagnostics appropriate to such an
installation.

Chapter 11 describes how to install the RP05/RP06 Disk Drive as a part of the RWP0O5/RWP06
subsystem. Chapter 12 lists the field acceptance procedures and diagnostics appropriate to such an
installation.

1-2

Chapter 13 deals with the optional dual-port configuration and discusses the potential upgrading
of
RPO5/RPO0O6 operation.
1.2.2
Related Documentation
This manual and the following documents comprise a complete documentation package for the
RPO5/RP06 Disk Drive. When the drive is used with the PDP-11, applicable documents include:

RJPO5/RJP06 Moving Head Disk Subsystem Maintenance Manual (EK-RJP05-MM-001)
RWPO5/RWP06 Moving Head Disk Subsystem Maintenance Manual (EK-RWP56-MM-001)
RPO5/RP06 Device Control Logic Maintenance Manual (EK-RP056-MM-001)
RPO5/RP06 DCL Print Set (MP0086).

Manuals related to the disk drive include:
Memorex RP0O5/RP06 677-01/51 DEC Disk Storage Drives Technical Manual (ER-00012)
Memorex RPO5/RP06 677-01/677-51 Disk Storage Drive Illustrated Parts Catalog (ER-00011)
Memorex RP05/RP06 677-01 Logic Manual (EK-RPO5SM-TM-V02).
1.2.3
Option Designations
The single-access version of the RPOS/RP06 Disk Drive is designated as the RP05 /RP06-AA (60 Hz)
or RPO5/RP06-AB (50 Hz); the dual-access version is designated as the RP0S /RP06-BA (60 Hz) or
RP0O5/RP06-BB (50 Hz).

The disk pack used with RPOS Disk Drive, which is an IBM 3336 type, is designated as the RP04P
Disk Pack. The disk pack used with the RP06 Disk Drive, which is an IBM 3336-11 type, is designated

as the RPO6P Disk Pack.

WARNING
The disk packs used on the RP05 and those used on
the RP06 are NOT interchangeable. Attempts to
force the wrong pack onto a drive can damage the
pack or the drive, or both, and can lead to subsequent
damage to other packs or drives.

1.3
RPO5S/RP06 DISK DRIVE SPECIFICATIONS
The RPO5/RP06 Disk Drive is a high-performance, direct-access, single-head-per-surface drive that

enables a data processing system to store or retrieve information at any location on a rotating disk
pack.

1.3.1
Features
The RP0O5/RP06 features error detection and correction capability hardware that is permanently
installed. Two sector formats are available:

20 sectors per data track (256 18-bit words per data field of each sector)

2.79 us (burst rate)
3.25 us (average rate for multiple sector transfers)
22 sectors per data track (256 16-bit words per data field of each sector)
2.48 us (burst rate)
2.96 us (average rate for multiple sector transfers).

The RP05/RP06 also offers remote standby operation and optional dual-controller capability.

1-3

1.3.2

Mechanical Specifications

Mounting

Mounted in a free-standing cabinet, approximately 119 cm h X
84 cmw X 81 cmd(@7inh X 33inw X 32 in d). The width
includes a 25.4-cm (10-in) chassis attached to the side of the
basic cabinet.

Weight

273 kg (600 1b)

1.3.3

Electrical Specifications

Standard Power Requirements
DC

None

208 Vac + 10%, DELTA, 60 Hz + 1%, 3-phase

380 Vac + 10%, Star W /Neutral, 50 Hz + 1%, 3-phase
Other Power Options

230 Vac £+
240 Vac +
408 Vac +
420 Vac £
220 Vac +
230 Vac £

10%, DELTA, 60 Hz £ 1%, 3-phase
10%, DELTA, 50 Hz £ 1%, 3-phase
10%, Star W /Neutral, 50 Hz + 1%, 3-phase
10%, Star W /Neutral, 50 Hz + 1%, 3-phase
10%, DELTA, 50 Hz + 1%, 3-phase
10%, DELTA, 50 Hz + 1%, 3-phase

Surge (starting) current does not exceed five times running current which shall not exceed 6 A per phase (excluding DCL).
Maximum phase current unbalance on two drives (excluding
DCL) shall not exceed 70 percent. A maximum of two 60 Hz
drives may be connected on any one 60 Hz ac cable string. Only
one 50 Hz drive may be connected on any one 50 Hz cable
string.
Non-Operating
Temperature Range

10° C minimum, 43° C maximum
(50° F minimum, 110° F maximum)

Drive Cooling (Internal)

Forced air

Maximum Wet Bulb

26° C (78° F)

Temperature

Heat Dissipation

2100 W (7000 Btu/hr) maximum
1650 W (5500 Btu/hr) nominal

Relative Humidity

20% minimum, 80% maximum (no condensation)

Vibration

1.3 g from 2 to 5 Hz

Shock

Operating

3 g for 10 ms, 3 pulses in vertical direction only

Shipping

6 g for 30 ms, 3 pulses in vertical direction only

Read/Write

Number of Read/Write
Heads

19 (plus 1 read head for the servo)

Cylinders Per Disk Pack

411 on an RPO5 pack
815 on an RP06 pack

Tracks Per Cylinder

Total Number of Tracks

7,809 per RPOS disk pack
15,485 per RP06 disk pack

Data Bits Per Track,
Maximum

107,520 (unformatted)

Data Bits Per Cylinder,
Maximum

2,042,880 (unformatted)

Data Bits Per Disk Pack,
Maximum

840,000,000 (unformatted) on an RP0O5 pack
1,665,000,000 (unformatted) on an RP06 pack

Data Rate (Nominal)

6,448,000 bits /second

Data Words Per Disk Pack

43,980,288 (22-sector pack, 16-bit words) on an RPO5 pack

(Formatted Capacity)

39,982,080 (20-sector pack, 18-bit words) on an RPOS pack
87,211,520 (22-sector pack, 16-bit words) on an RP06 pack
79,283,200 (20-sector pack, 18-bit words) on an RP06 pack

Data Compatibility

The drive allows for disk pack interchangeability between PDP10/PDP-11/PDP-15 system through software-controlled format and data word width settings.
NOTE
RPO05 and RP06 disk packs are not interchangeable.

1.3.4

Access Times

One Cylinder Seek

6 ms

Average Seek

28.5 ms

Maximum Seek

53 ms

Average Rotational Latency
Time

8.33 ms

1-5

1.3.5

Operation

Start-Up Time
(Head Load and First Seek)

15 seconds

Disk Rotational Speed

3600 rev/min £ 2.5% (counterclockwise)

Stop Time
(Retract Heads and Stop Disk
Rotation)

15 seconds

Disk Drive Motor

1 hp induction, 208/230 Vac, single-phase

Bit-Cell Time

155 ns

1.3.6

Disk Pack

Type

RPO4P pack (IBM 3336 type) for an RPO5
RPO6P pack (IBM 3336-11 type) for an RP06

Disk Diameter

35.56 cm (14 in)

Number of Disks

10 magnetic disks (not including upper and lower protective
disks)

Magnetic Recording Surfaces

19 (uppermost surface is numbered zero)

CHAPTER 2

SITE PREPARATION

A\
W

2.1
SPACE
Provision should be made for service clearances of 71 cm (28 in) at the front and rear of the
RPO5/RP06 Disk Drive, and 51 cm (20 in) at either side of a drive string (Figures 2-1 and 2-2). Space
should also be made available in the system environment for storage of disk packs, each of which has a
diameter of approximately 36 cm (14 in) when covered, and a height of approximately 18 cm (7 in) to
the handle of the top assembly. Disk packs should never be stacked on top of one another; a designated shelf area is recommended for each pack.

cm
90.17

AN\M
AN\\¢
\A\
W
W\

(35-1/72")

CP-1354

Figure 2-1

RPO5/RPO06 Service Clearances (Front)

2-1

CcP-1462

Figure 2-2

RPOS5/RPO06 Service Clearances (Rear)

2.2 CABLING
No more than two 60 Hz RP05/RP06 Disk Drives and only one 50 Hz RP0S5/RP06 Disk Drive should
be supplied from one ac power source. (Refer to Paragraph 4.2.2, step 5.) The ac power cable used to
connect the drive to the facility power source must not exceed 4.6 m (15 ft) in length.
The maximum Massbus interface cable length available (round cable) is 12.2 m (40 ft); thus, the first
drive must be mounted no more than that distance from the controller. Multiple drives installed in the
string configuration (side-by-side) will be connected by a standard 76-cm (30-in) cable provided with
each RP05/RPO06. Figure 2-3 shows a modified BC06S cable (70-12066) configuration for drive-end
RPO5/RPO6 use.

An optional 3-m (10-ft) cable can be provided for those situations where the string configuration
cannot be utilized.
2.2.1
RHI11/RH70 Systems
The aggregate length of all round cables in an RH11/RH70 system, regardless of the configuration
selected, must not exceed 18.3 m (60 ft) per controller.
2.2.2

RHI10/RH20 Systems

The aggregate length of all round cables in an RH10/RH20 system, regardless of the configuration
selected, must not exceed 48.8 m (160 ft) minus 3.8 m (12.5 ft) for each RP05/RPO06 on the system.

CAMSHAFT

NOTE

CABLE
ENTRY

POSITION

“\
~

SCREW (SELF-TAPPING) M )
~

gfi/

PLUG HOUSING REF.

STRAIN RELIEF HOUSING
RIGHT HAND
CP-2790

Figure 2-3

Special 76-cm (30-in) BC06S Cable Configuration for Drive End

2.3 POWER REQUIREMENTS
Standard power requirements (ac) for RP0S/RP06 Disk Drives are:
e 208 Vac + 10%, DELTA, 60 Hz + 1%, 3-phase

e 380 Vac + 10%, Star W /Neutral, 50 Hz £ 1%, 3-phase.

Other power options include the following:
230 Vac =
240 Vac +
408 Vac +
420 Vac £+
220 Vac =+
230 Vac £

10%, DELTA, 60 Hz + 1%, 3-phase
10%, DELTA, 50 Hz + 1%, 3-phase
10%, Star W /Neutral, 50 Hz + 1%, 3-phase
10%, Star W /Neutral, 50 Hz + 1%, 3-phase
10%, DELTA, 50 Hz + 1%, 3-phase
10%, DELTA, 50 Hz + 1%, 3-phase.

Surge (starting) current does not exceed five times the running current, which should not exceed 6 A
per phase, excluding DCL. The maximum phase current unbalance on two drives (excluding DCL)
should not exceed 70 percent.

Receptacles that will accept the 120 V/208 V, 60-Hz plugs are designated variously by DEC (12-

11210), NEMA (L21-20R), Hubbell (2510), and Bryant (72120-FR). Receptacles that will accept
240/416 V. 50-Hz plugs bear a DEC designation (12-11259) but no NEM
A or manufacturers’ numbers
are presently available.
It is also necessary to have 20 A circuit breakers.

2-3

Digital Equipment Corporation should be notified well in advance of shipment regarding the input
power requirements so that the kits necessary for conversion to available facility power can be available at the time of installation.

2.4 FLOOR LOADING
The weight of the RP05/RP06 Disk Drive (272 kg/600 1b) alone is not sufficient to place unusual stress
on most office building or industrial plant floors. However, the added weight should be considered in
relation to the weight of the existing computer system and possible future expansion.
2.5
INSTALLATION CONSTRAINTS
The route the equipment will travel from the receiving area to the installation site should be studied in
advance to ensure problem-free delivery. Among the factors to be taken into consideration are the
height and location of loading doors; the size, capacity, and availability of elevators; the number and
size of the aisles and doors en route; and any restrictions, such as bends or obstructions, in the hallways. Any constraints should be reported to Digital Equipment Corporation as soon as possible so

that the requirements of the individual installation site may be considered when the unit is packed for
shipment. The width of the RP05/RP06, 83.19 cm (32-3/4 in), can be reduced to 79.8 cm (31-3/8 in) by
removing the side panels.
False flooring should not be necessary if the drives in the system are to be installed side-by-side in the
string configuration, as the 76-cm (30-in) cables provided with the units are just long enough to be run
inside the drive cabinets to connect the units. However, if geographical or other considerations necessitate some other configuration, or if the first RPO5/RPO06 in the string configuration is not adjacent to
the controller, false flooring may be required to avoid exposed cables. It may be necessary to remove
end panels.
2.6 FIRE AND SAFETY PRECAUTIONS
The RP05/RP06 Disk Drive presents no unusual additional fire of safety hazards to an existing computer system. Wiring should be carefully checked, however, to ensure that the capacity is adequate for
the added load and for any contemplated expansion.

2-4

CHAPTER 3

ENVIRONMENTAL CONSIDERATIONS

3.1 GENERAL
The RIPOS/RP06 Disk Drive is capable of efficient operation even in marginal environments. The
parameters of the operating environment are determined by the most restrictive facets of the system.

3.2

TEMPERATURE

The operating temperature range of the RP0O5/RPO06 is from 16° C to 32° C (60° F to 90° F), with a
maximum gradient of 2.8° C (5° F) per hour. The nonoperating temperature range is from 10° C to
44° C (50° F to 110° F), with a maximum gradient of 5.6° C (10° F) per hour. The shipping temperature range is from -45.6° C to 60° C (-50° F to 140° F), with a maximum gradient of 8.4° C (15° F)
per hour.

3.3

RELATIVE HUMIDITY

Humidity control is important in any system, as static electricity can cause errors in any CPU with

memory. The RP0O5/RP06 is designed to operate efficiently within a relative humidity range of 20
percent to 80 percent, with a maximum wet bulb temperature of 26° C (78° F) and a minimum dew
point of 2° C (36° F). The nonoperating relative humidity range is from 8 percent to 85 percent, with
no condensation. The shipping relative humidity range is from 5 percent to 90 percent, with no

condensation.
3.4 HEAT DISSIPATION
Heat dissipation for the RP05/RP06 Disk Drive is 5500 Btu/hour, nominal and 7000 Btu/hour, maximum. By adding this figure to the total heat dissipation for the other system components, and then
adjusting the result to compensate for such factors as the number of personnel, heat radiation from
adjoining areas, sun exposure through windows, system efficiency, etc., the approximate cooling
requirements for the system can be determined. It is advisable to allow a safety margin of at least 25
percent above the maximum estimated requirements.
3.5 ACOUSTICS
Most computer sites require at least some degree of acoustic treatment; however, the RP0S/RP06 Disk
Drive should not contribute unduly to the overall acoustic problem. Acoustic materials should neither
produce nor harbor dust.
3.6

ALTITUDE
Computer system operation at high altitudes can result in heat dissipation problems. The maximum
altitude specified for the RP05/RP06 is 1980 m (6500 ft). If operation at high altitudes is anticipated,

DEC should be notified when the equipment is ordered.

3-1

3.7

RADIATED EMISSIONS

Sources of radiation such as FM, vehicle ignitions, and radar transmitters located in close proximity to
the computer system may affect the performance of the RP05/RP06 Disk Drive because of the possible adverse effect magnetic fields can have on disk packs. A magnetic field with an intensity of 50
oersteds might destroy all of the information on an individual disk pack.

B W
—

The effects of radiated emissions can be reduced by:

3.8

Grounding window screens and other large metal surfaces
Shielding interconnection cables with grounded shields
Verifying existing grounds for common-mode currents

In extreme radiation environments, providing a grounded cage for the system.

AIR CIRCULATION

The air circulation system of the RP05/RP06 Disk Drive (Figure 3-1) is designed to supply clean air
for:

e Disk temperature control
e Pressurization of the shroud area
e Logic cage cooling.

To ensure that intake air moves freely into the drive, floor access must not be restricted by cables, etc.
3.9

CLEANLINESS

Although cleanliness is important in all facets of a computer system, it is particularly crucial to the
RP05/RP06 Disk Drive. Disk packs are not sealed units and are extremely vulnerable to dirt. Even
such minute obstructions as smoke particles, fingerprint smudges, or dust specks can cause head
crashes and catastrophic destruction of heads and/or disk surfaces, as illustrated in Figure 3-2.

During site preparation, there are a number of steps that may be taken to enhance cleanliness.
e Seal all windows in the vicinity of the RP05/RP06 locations.

o Ifpartitions are to be installed, consider floor-to-ceiling walls, which minimize the flow of dust.

e Check that the flow of air from the air-conditioning system will tend to carry lint, etc., away
from the RP05/RPO06 location. Provide filtration to inhibit dust and other particulate matter.

e If painting is to be done in advance of installation, select paint for walls, ceilings, and floqrs
that will not tend to flake or powder excessively. (Waterbound distemper is generally unsatisfactory in this respect.)

e Select acoustic material that will neither produce nor harbor dust.

e Avoid glass fiber tiles that could produce abrasive particles, and floor coverings that tend to
crack or crumble.

e Provide closed cabinets for disk storage.

e Clean and vacuum subfloor areas and air-conditioning systems just before installation.

e Place impregnated mats at each entrance to reduce the amount of dust tracked in from other
arcas.

3-2

LOGIC FILE —__|

ASM

LOGIC
FANS

COVER BAR
LINEAR

MOTOR

WIND

TUNNEL

BAFFLE

- ';v:s': gf""

DISC PACK

B SHROUD

—

HOSE CLAMP' —

‘

ABSOLUTE

POWER SUPPLY/

FILTER

SERVO POWER
AMP

POWER

DISTRIBUTION

UNIT

CP-2788

Figure 3-1

Air Flow and Filtration System

HUMAN

HAIR

.004" DIA

FINGERPRINT

SMUDGE

£ A

CP-2962

Figure 3-2

Disk Pack Relationship of Disk Head, Disk, Contaminants

3-4

CHAPTER 4
INSTALLATION

This chapter includes the procedures required to unpack and install the RPO5/RP06 Disk Drive. The
RPO5/RPO6 is designed to be installed as a remote device with control logic contained in an attached
drive control logic (DCL) unit (Figure 1-3).
4.1

UNPACKING AND INSPECTION

The RP05/RP06 Disk Drive weighs approximately 272 kg (600 1b), and can be moved or lifted by a
forklift or similar handling equipment. Table 4-1 lists special tools and equipment that could be
required during an RP05/RPO06 installation (Figure 4-1).
CAUTION
When moving or lifting the RP0S5/RP06 Disk Drive,
always grasp the frame structure. Do NOT hold any
part of the top or side covers.

The procedure for unpacking the RP05/RPO06 is as follows.
1.

The RP05/RPO06 is shipped on a shipping skid, covered by a cardboard carton. Remove the
two plastic straps that hold the disk pack on top of the carton, then remove the disk pack.

Remove the staples that fasten the four wooden slats to the bottom flanges of the cardboardoverlapped carton.

Remove the cardboard-overlapped carton.

After removing the hold-down bolts from the skid, install the leveling feet before removing
the drive from the skid.

Remove the skid from under the drive.

Roll the RPO5S/RP06 to its designated location. Level it by lowering the eight levelers,
removing all weight from the casters.

Remove the polyethylene bag that covers the RP05/RP06.

Table 4-1

Tools Required for RP05/RP06 Installation
Part No.

Item

Field Service Tool Kit

Tektronix 453 oscillscope, or equivalent
NOTE
Oscilloscopes or meters used
in the field should be calibrated frequently. Meter
readings must be accurate
within £1
percent,
oscilloscope within +3
percent.

RP0O5/RP06 Disk Storage
Subsystem Tester

Absolute filter gauge

29-21290

C.E. Pack 3336
For RPOS
For RP06

29-21292
29-22193

Data pack
For RPO5
For RP06

RP04-P
RP06-P

NOTE
The Mechanical Alignment Kit (Capital Equipment)

may be required if problems arise during installation

of RP05/RP06 Disk Drives.

RP05/06 DISK STORAGE
OFF-LINE TESTER

HEAD ALIGNMENT TOOLS

REPLACEMENT SHAFT
»

P/N 29-22182

ABSOLUTE FILTER GUAGE (29-21290)

|
HEAD INSTALLATION TOOL

P/N 29-22180

HEAD TORQUE TOOL

P/N 29-22181

e
HEAD ALIGNMENT TOOL

P/N 29-22179

HEAD CLEANING KIT

P/N 29-22563
WIPERS

ALCOHOL &%

(__/

BRUSH

PADDLE

CP-2789

Figure 4-1

Special Tools for RP05/RP06 Installation (Sheet 1 of 2)

4-3

MECHANICAL ALIGNMENT KIT
P/N 29-22183

ALLEN DRIVER \

DISTANCE SETTING
BRACKET ASM

P/N 29-22186

WAY ALIGNMENT ROD
P/N 29-22185

' TORQUE WRENCH

ALLEN HEX

DRIVE, 5/32 IN\

ALLEN HEX DRIVE,
% IN.

HEAD SEPARATOR TOOL

P/N 29-22187

DRIVE EXTENSION
3/8 IN.

INDICATOR ASM

SETTING GAUGE ARM
CP-2787

Figure 4-1 Special Tools for RP05/RP06 Installation (Sheet 2 of 2)

Remove the package resting on top of the RP0S/RP06; verify that it contains the following:
Item

Part No.

Skirts (7)
Screws (8)
Lock washers (8)
Flat washers (8)
Power sequence cable
Massbus cable*
Ground wire strap

7411193
9006418-1
9006690

9006661
7009491-0-1
7012066
7412827-03-0

*One each for single-access unit; two each for dual-access unit.

Remove the tape from the door end panels.

10.

Visually inspect the exterior of the RP0S/RP06 for evidence of shipping damage. Retain the
original packing materials and receipts in case any claims are filed for shipping damage. All
damage claims should be promptly filed with the transportation company involved, and
Digital Equipment Corporation should be notified immediately of any such claim.

Remove all service covers for inspection.

NOTE
Side covers are not used between drives that are to be
installed side-by-side in the string configuration.
Only exposed sides should be covered.
12.

Locate the door lock override mechanism (Figure 4-2), which is an arm that protrudes from
the door lock solenoid. While pressing this mechanism downward, push the door and start
sliding it toward the rear. Release the mechanism, and push the access door all the way back.

13.

Manually turn the spindle in a counterclockwise direction to verify that it spins freely. Depress the cone-shaped pack-lock actuator at the right front of the spindle; manually turn the
spindle in a clockwise direction. The spindle should lock to verify that it will hold the pack
and permit disk pack top cover removal.
NOTE
The drive is transported with a shipping bracket
installed to prevent carriage assembly motion during
transit. Do NOT remove this shipping bracket yet.

14.

Visually inspect the RPO5/RPO6; tighten all subassembly mounting hardware and all termi-

nal connections. Access to the DCL unit backplane is gained by removing the rear cover. To
then gain access to the logic modules, loosen the two thumbscrews at the top, pivot the
assembly forward and down, and loosen two screws to remove the inside cover. To gain
access to the DCL unit power supply, remove the front cover.

H
4

5
3

Figure 4-2

Door Lock Override Mechanism

15.

Check the drive power requirements on the nameplate (Figure 4-3) to verify that they agree
with facility power. If a discrepancy exists, change the ac input power configuration of the
RP05/RP06 to conform to available facility power (Paragraph 4.6). Verify that the power
conversion plug is properly configured (Paragraph 4.6).

RPO5/RPQ6-BB IDENT (50 HZ DUAL PORT)
RP@5/RP®6-BA IDENT (60 HZ DUAL PORT)

RPQ5/RPQ6-AB IDENT (50 HZ SINGLE PORT)

GROUND STUD

RPO5/RPQ6-AA IDENT (60 HZ SINGLE PORT)

SERIAL
NUMBER TAG
cp-2783

Figure 4-3

Location of Nameplate

and Serial Number Tag

16.
17.

Check that matrix modules and head plugs are properly seated (Figure 4-4).
Visually check the cam-follower surfaces of all head /cam assemblies to verify that arms are
properly engaged with cams on tower assemblies.
CAUTION

Never push the carriage forward so that the cam followers leave the cam unless the head separator tool is
installed.

18.

Check the four 40-pin ribbon cables (marked A, B, C, and D) that connect the drive to the
DCL unit; ensure that the connectors are securely seated in the corresponding (A, B, C, or
D) receptacle on module D01 or D02 (Figure 4-5).

19.

20.

Measure the electromagnetic actuator coil assembly (bobbin) resistance across the coil leads
to determine that the resistance is 1.6 Q (typical) and that no shorts or opens exist.
Remove shipping brackets from rear of deck plate and frame (Figure 4-6); provide room for
accessing other shipping hardware by removing the absolute filter (Figure 4-7). (To remove

the filter, reach through the left side of the drive with a screwdriver and remove the hose
clamp at the rear of the filter, then slide the filter out.)

HEAD LOCATIONS
TOP

b /OMI,rBDowu

note 1

)

A DOWN M1

2%1“r A UP

BU"M3

4%1‘reoow~

swr W47

SUA soown

3 4

6%]: A UP

(SERVO) A DOWN Mw

1omfAUP

A DOWN MH

14%{ A UP

16 B&oowN

1316

A DOWN M 5

sup V79

413

sup

aoown 415
BUPM"
1

1207 8 oown

U aue
.

—

% 12

*Note 1

COVER DISC

NOTES:

1. Do not attempt to install a head in these two locations;
these slots are used only for the head separator tool.

2. Before installing a head, be sure that the etching (A-Up/Down, B-Up/Down)
agrees with the chart on the linear motor and the head position on the T-block.
CP-2785

Figure 4-4

T-Block Viewed from Linear Motor

DO1

D02

CP-2786

Figure 4-5

DCL/Drive Signal Interface Connections

HAZA“OOU{S AREA

\ HEX BOLT
%-20 x 2

(4 REQ'D)

SHIPPING
BRACKET

(2 REQ'D)

SHIPPING BOLTS
AND BRACKETS

FLAT WASHER, %4

(12 REQ’'D)

Rrea
@_— (8

LOCK WASHER, %

HEX BOLT

%-20 x 5/8

(4 REQ'D)

;

%-20

NUT HEX

@/ (4 REQ'D)
M-0620

Figure 4-6

Shipping Brackets

FRAME

SPACER

BRACE

(2 REQ'D)

(REF)

SUPPORT

TM~

BAR

LOCK

WASHER, %
(2 REQ'D)

HEX BOLT, %-20x%

WA S OROO RO

(2 REQ'D)

SLOTTED POST

PACK

LOCKING
ROD

(TAPED TO
SLOTTED POST)

ABSOLUTE

FILTER

(SLIDES OUT WHEN
DUCT AT REAR IS

UNCLAMPED)
M-0624

Figure 4-7

Absolute Filter and Pack Loading Rod
4-10

21.

Remove two bolt washer spacer sets from the area between the frame and deck plate (Figure
4-8); remove the heavy support bar by pushing out from the side.

DECK
PLATE
CASTING

(REF)

SHIPPING SPACER

SUPPORT BAR

(REMOVE BEFORE INSTALLING IN DRIVE STRING)

SPACER
(2 REQ’D)

FRAME

BRACE

\ s

<
SUPPORT

&
P

BAR

\ LOCK WASHER, %
(2 REQ’D)

PUSH OUT BAR

THIS DIRECTION

HEX BOLT, %-20 x %
(2 REQ'D)
M-0623

Figure 4-8

Shipping Spacers and Support Bar

4-11

Replace the absolute filter and clamp the hose to the rear of the filter.

22,

Remove the tape (if any) wrapped around the disk pack locking rod and the slotted post

23.

(Figure 4-7); remove two strips of tape (if any) securing the wind tunnel (plastic deflector) to

the deck plate. (To access the wind tunnel, swing open the rear cover of the drive.)
24.

Remove shipping block on linear motor.

25.

Replace all service covers removed in step 11, unless off-line checkout is to be performed at
this time.

4.2
INSTALLING THE RP0S/RP06
The first RP05/RP06 Disk Drive must be mounted within 12 m (40 ft) of the controller and within 4.4
m (15 ft) of a facility ac power source. The safety precautions should be observed while following the

installation procedure in Paragraph 4.2.2.
4.2.1

Safety Precautions

Observe the following precautions to avoid injury to personnel or damage to the equipment.
Keep fingers and hands out of the area between the carriage and the disk pack while the

drive is on.

Always remove ac power cables when it is necessary to work inside the drive sequencer
assembly or on the transformer assembly terminals when the drive is not operating; high
potentials of up to 230 Vac/60 Hz or 400 Vac/50 Hz are present.

Use only nonmagnetic tools near the linear motor, which includes an extremely powerful
magnet. Use care when working in the linear motor area with magnetic materials, even
though flux leakage is low in the pack area and outside the drive. Keep read/write heads
away from the linear motor.

Avoid touching or blowing breath on read /write heads; skin acids can etch and ruin heads,
and breath can cause condensation deposits that could disfigure the gliding surface.
Never manually move the carriage assembly forward without a spinning disk in place or the
head separator tool installed.

Never remove or change modules without shutting down all internal drive power. Allow
about 30 seconds for power supplies to bleed off.

4.2.2

Installation Procedure
l.

Check that CB100 is OFF (Figure 4-9); then connect the power cable to the RP05/RP06.
The cable to use for this purpose is:
70-6464-4
70-6464-3

60 Hz
50 Hz

It is possible to daisy-chain two 60 Hz drives to a single ac power source by plugging the
power cable of the first directly into the source and connecting the first drive to the second
by means of a 2.4-m (8-ft) power cable jumper (Part No. 7006600-1). Do not daisy-chain

power to 50 Hz drives.

4-12

POWER

CONVERSION
PLUGS (Y AND

)

5.2V
REGULATOR

PCB (TB315
AND TB316)

BV
REGULATOR

PCB (TB301
AND TB307)

TB200

+15V
REGULATOR

PCB (TB302
AND TB308)

S
B

2 3

A
AR

-15V

REGULATOR

PCB (TB300
AND TB306)

CB300

TB304

b. REAR VIEW, POWER SUPPLY COVER OFF
M-0625

Figure 4-9

RPO05/RP06 Installation

4-13

Connect a 7.6-m (25-ft) ground wire (Part No. 741827-25) from the ground stud at the
bottom of the DCL unit to the stud at the bottom of the cabinet containing the controller.

Check that the power sequence jumper (Part No. 7009490) is installed in J12 of the DCL
unit. (Refer to drawing D-UA-RJP05-A-0 or D-UA-RJP06-A-0.)

Connect the round 7.6-m (25-ft) Massbus cable (BC06S-25) from the DCL unit connector
marked ‘“Controller A Input” (Figure 4-10) to the connector panel in the controller cabinet.
Ensure that the drive end of this cable is bent at an angle of 90 degrees to the cable gate
(Figure 2-3).

B
CONT

CONT B

OUTPUT

CONT A

OUTPUT

INPUT

A
CONT

INPUT

GROUND

CABLE

8068-1

Figure 4-10

RPO05/RP06 Connector Panel

If the installation is multidrive, proceed to step 7, otherwise, proceed to step 11.

Connect a round 76-cm (30-in) Massbus cable (7012066) from the DCL unit connector
marked “Controller A Output’ to the connector in the second drive marked “Controller A
Input.” Install cable clamps as shown in Figure 4-11.

4-14

CABLE CLAMPS (2 PER CABLE;
P/N 9007089-00)

CLAMP MOUNTING HARDWARE

BCO06S CABLE

(1 SET PER CLAMP; P/N 9006006-01
9007801-00
9006653-00)
8068-2

Figure 4-11

Massbus Connector Prior to Mounting

Repeat step 7 for each additional drive in the configuration.
Daisy-chain all drives by connecting 0.9-m (3-ft) ground wires from one DCL unit stud to
the next.
10.

Daisy-chain all drives by connecting 0.9-m (3-ft) power sequence cables (7009491-1) from
J13 of the preceding drive to J12 of the next. For the first drive, a power sequence jumper
should be connected to J12.

11.

For the last drive, connect a Massbus terminator pack assembly (7009938) to the DCL unit
connector marked ‘“Controller A Output” (Figure 4-10).
NOTE
For a dual-controller configuration (drawing E-UARJP05-B-0 or E-UA-RJP06-B-0), install the second

Massbus per the above pattern. Use the DCL unit
connectors marked ‘‘Controller B Input” and “Controller B Output.”” A second Massbus terminator
must be used in the last drive. The second controller
may be mounted in the same cabinet as the first, or in

a different one. If the same box is used, a second
receptacle housing is mounted in the connector panel
to accommodate the second Massbus; if different
cabinets are used for the controllers, two connector
panels are necessary.

4-15

BAZARDOUS AREA

Enanncuatuni
ESTURBSRES

!& HEMBW"..
S
»

8068-1

Figure 4-12

Massbus Connector Mounted

12.

Lower the logic nest assembly in DCL unit and remove the rear cover.

13.

Verify that the drive unit number switches on the M7787 module are all in the OFF position.
NOTE
Any switch left in the ON position will force the corresponding bit position in the unit number to zero.

14.

Verify that the drive-type jumpers on the M7776 module are configured to reflect the proper
type of drive, as follows:
Drive

Wil

RPOS
RPO6

IN
OuUT

OouT
IN

If the serial number option is required, check board M7776 and configure jumpers according to the drive serial number.
4.3 INSTALLATION CHECKS AND ADJUSTMENTS
To verify performance and adjust the RP0S/RP06, perform the various installation checks and adjustments described in the following paragraphs.

4\.3.1 DCL Unit Power Supply Voltage Checks

The DCL unit power supply develops three dc output voltages (+5 Vdc, -15 Vdc, and +15 Vdc), and is
constantly monitored by a power monitor unit. Turning ON the CBI1 circuit breaker at the base of the
drive and the circuit breaker at the rear of the DCL unit activates the DCL unit power supply. The
heavy dotted line in Figure 4-13a indicates the chassis outline; the lighter dotted lines indicate the two
regulator board modules, Al and A2. Al is accessible from the front of the DCL unit; A2 is accessible
from the rear. Figure 4-13b and the following paragraphs describe the functions of the two regulator
board modules.

4.3.1.1

Regulator Board Module A1 - Regulator board A1 issues the following.

ACLO and DC LO to the power monitor - If these voltages should fail, the power monitor
will set error flags.

+5 Vdc to the power monitor and to the DCL unit backplane - This voltage should be
viewed on the DCL unit backplane (AA2 slot 1) and adjusted on the power supply.

-15 Vdc to the DCL unit backplane - This voltage should be viewed at the backplane (AB2

slot 1) and adjusted on the power supply.

4.
4.3.1.2

+15 Vdc is not used and not monitdred.
Regulator Board Module A2 - Regulator board A2 issues the following.

ACLO and DC LO to the power monitor - If these voltages should fail, the power monitor
will set error flags.

+5 Vdc to the power monitor and to the DCL unit backplane - This voltage should be
viewed on the DCL unit backplane (AA2 slot 9) and adjusted on the power supply.

+15 Vdc to the power monitor - This voltage should be viewed on the power monitor (plug
10, pin 5) and adjusted on the power supply.

-15 Vdc is not used and not monitored.

CAUTION
To avoid possible damage to the equipment or to the
electrical system, do not adjust voltages beyond on
the limits shown in Table 4-2.

4-17

!
!

F T Ther ey T

22-34 VAC >—]

22-34

VAC >——o

P1 L ot

2
2
B

REF:D-CS-5409728-0-1

CENTER TAP >——

LINE VOLTAGE OUTPUT

__(GND

[
<oc Low

—( GND

[ew

3
=

3
|5

10
vt I

[

alG

¢ +5V

-y

¢ +15V-NOT USED

B1-2

GND >—

—

115 VAC {’

[GND

]

J5
(OVER TEMP SWITCHED) >

—<( GND

[2]

‘

AC LOW

‘3

fij—F—’-

B}L
-

;P_L-(Ac LOW

%J ;
31

‘3

—< GND

— GND

iLJ-g—l

—< GND

[<GND

—)

[<PC Low

—< +5V

"—'<+5V

[~<-18V-NOT USED

—< +15V

a.
1

DCL Unit Power Supply Schematic

A
-

VOLTAGE CHECK POINTS

+5 (A1 REG)

‘15 (A1 REG)

+5 (A1 REG)

AA2 SLOT 1

15 (A1 REG)
15 (A2 REG)

AB2 SLOT 1
NO ADJ NEC

+5 (A2 REG)

AA2 SLOT 9

+15 (A1 REG)

NO ADJ NEC

+15 (A2 REG)

PLUG 10, PIN 5

(VOLTAGE MONITOR
BOARD)

+5 (A2 REG)

+5=A1SLOTS 1,2, 3,4

A2SLOTS4.5.6.7,8,9

15=A1SLOTS 1, 2, 3, 4 (DRIVER, RCVRS)
A2 - NOT USED, NOT MONITORED

e
—

+15= A1 -- NOT USED, NOT MONITORED

+5 (A1 REG)

A2 -- NOT USED, BUT MONITORED

15 (A1 REG)

DCL Unit Voltage Checks
CP-2797

Figure 4-13

Power Distribution (DCL Unit)
4-18

DC Voltages

Table 4-2

Minimum

Nominal

+4.9
-5.3
+14.7
-15.3

+5
-5.2*%
+15
-15

+45.0

+50

+24

+19.0

Maximum

I
|

+5.2
< =51 +15.3
-14.7

+29.0 }

Not Adjustable

+55.0

*At TB500A terminal No. 3, not marked éé -5.2.

4.3.2

Drive Power Supply Voltage Check
CAUTION
Ensure that CB1 is OFF before changing the position
of any other circuit breaker.

Perform ac and dc power checks for the drive(s) as described ifi the following paragraphs.
4.3.2.1

AC Power Checks - Perform ac power checks as follows.

Set CB100 on the RP05/RP06 power distribution unit (PDU) to ON. (See Figure 4-9a.)

Verify that three fans located under the logic gate and two fans in power supply are oper-

Verify that door interlock latch is released by sliding open the glass door.

Repeat steps 1, 2, and 3, above, for each drive in the installation.

ating (Figure 4-9b).

4.3.2.2 DC Power Checks - Perform dc powef checks as follows.
1.

Momentarily press LAMP TEST on the operator panel; verify that all indicators are
illuminated.

Set CB300 on the power supply to ON. (See Figure 4-9b).

Using a digital voltmeter, measure voltages at the back panel and compare them to the
specifications in Table 4-2. With the one exception noted in the table, the measurement
locations are etched onto the back panel itself, using their nominal voltage values. If adjustment is necessary, adjust these voltages as near the nominal values as possible.

Repeat steps 1 through 3, above, for each drive in the installation.

4.3.3

Readiness Tests

Test the drive(s) for readiness as follows.

Inspect and clean (as required) all heads in the drive, as described in Paragraphs 4.5.1 and
4.5.2.

4-19

Mount a scratch pack on the drive. Remove the logical address plug from the operator
panel.
|

NOTE

The logical address plugs on the RP0S and RP06 can
be removed simply by pulling them out.

Press the START/STOP switch to START. START and DOOR LOCKED should light,
and the spindle should start spinning. Allow the drive to come up to speed and purge for 5
minutes. With the logical address plug removed and without a first launch, hand load heads
very carefully. Check for binding or unusual noise that might indicate head-to-disk interference (HDI). (For clues on HDI detection, refer to Paragraph 4.3.5.8.) If HDI is observed,
retract the heads, turn the drive OFF, and investigate the problem.
Install the any-numbered logical address plug; this will allow the heads to launch to track
000. Remove and reinstall the logical address plug; the drive should do a re-zero.

Verify the capability of the drive to execute a seek operation by using the off-line tester and
running routines 01 through 03.

Perform the head alignment procedure described in Paragraph 4.5.5, using the off-line tester. Before starting head alignment, be sure that the drive is in the Write Protect mode and
allow 30 minutes for thermal stabilization of drive and CE pack.
Repeat steps 1 through 6, above, for each drive in the installation.
NOTE

At this stage in the installation procedure, the following activities should be performed.

1. Verify correct system cabling and signal termination in the DCL unit.

2. Use system diagnostics to verify the presence of an
operational condition in each drive.
3. Use system diagnostics to perform the system
head alignment verification procedure.
4.3.4

Drive Cycle Up/Down Checks

To check the starting and stopping of the spindle motor, ensure that a logical address plug is installed,
a disk pack is installed, and the glass access door is closed, then proceed as follows.
1.

Verify that all lamps light by pushing the Lamp Test switch. This also indicates that main
power is applied to the drive. If UNSAFE lights, indicating an unsafe condition, proceed to
Paragraph 4.3.5.1 to clear this condition. When it is cleared, proceed to step 2, below.

Press the START/STOP switch to the START position, triggering the following series of
events: START illuminates, DOOR LOCKED illuminates, and the pack begins to rotate. If
DOOR LOCKED does not illuminate, close the door fully.

4-20

W ait approximately 20 seconds until the word READY illuminates, indicating that the drive
is started and ready to execute commands. START and DOOR LOCKED should remain
illuminated.

Stop the drive spindle motor by pressing the START/STOP switch to STOP. This extinguishes the READY and START lights, and causes the drive to retract heads. The DOOR
LOCKED light is extinguished approximately 20 seconds later, when the motor-down
sequence has been completed.
NOTE
The system can stop the drive motor by issuing a
command to place the drive in Standby mode.
Whether stopped by the system or the operator, the
resulting status of indicators is the same, except that
a stop by the system causes STANDBY to
illuminate.
4.3.5

Response to Abnormal Conditions

4.3.5.1

Clearing an Unsafe Condition - A sequence malfunction during a start operation causes

UNSAFE to illuminate and initiates an abnormal stop sequence in the drive. At the end of that
sequence, the spindle should come to a complete stop. Pressing the START/STOP switch to START
clears the unsafe condition and restarts the drive; if UNSAFE does not disappear or if it reoccurs
during the normal starting sequence, corrective maintenance is necessary.
CAUTION
Any malfunction of the stop sequence (e.g., failure of
the spindle to stop at the end of the sequence)
requires corrective maintenance; do NOT attempt
other operations. If it is necessary to remove ac power from the drive, first unload the heads manually.

4.3.5.2 Removing a Pack With No Drive Power - To remove a pack from a drive with no ac power
applied, proceed as follows.
1.

Verify that the spindle is stopped and the heads are retracted.

Pull open the drive’s front cover. Referring to Figure 4-2, locate the door lock override
mechanism; it 1s an arm protruding from the door lock solenoid. Press the mechanism
downward, and while holding down, push the door and start sliding it toward the rear.
Release the mechanism and push the access door all the way back.
Lower the top cover straight down over the pack, carefully avoiding contact with the edges
of the disks. Turn the handle on the top cover two full turns counterclockwise.

Using the handle, remove the pack from the drive.
Immediately attach the bottom cover to the pack, and store.

4-21

4.3.5.3 Detecting Head-to-Disk Interference - Head-to-disk interference (HDI) results from head
contact with a disk surface, usually the result of a foreign particle in the air stream or a protrusion
from the disk surface causing the head to break through the air bearing and abrade the disk surface.
This problem, if not corrected, can be propagated from pack to pack and, ultimately, from drive to
drive. HDI symptoms include:
-

Sudden hard read errors
Black contamination on flying surface of any head
UNSAFE illuminating during a write operation
_
Uncommon noise from the disk, such as audible tinkling, zinging, or scratching, which
become gradually louder toward a screech.

If any of the above symptoms are detected, stop the drive immediately.
CAUTION
1. If the suspected pack is replaced with another
pack and the drive is operated, or if the suspected
pack is used in another drive, damage to either the
second drive or the substituted pack may well
occur.

2. All packs and drives in use when HDI symptoms
are detected must be checked for HDI by service
personnel.

4.4
4.4.1

TESTER HOOKUP, ROUTINES, AND RUN OPTIONS
Tester Hookup

Hook up the RP05/RP06 Disk Storage Subsystem Tester (Figure 4-14) as follows.
1.

Connect the tester to 115 Vac, 50/60 Hz wall power, and run Wrap Test for tester checkout.
If no error occurs, proceed to step 2.

Turn off ac power to the drive and DCL and place the START/STOP switch in the STOP
position.

Disconnect the drive from DCL 1/O cables A, B, C, and D.

Connect tester 1/0 cables A, B, C, and D to the drive. Cables should be installed so that the
“rib”’ sides of cables A and C face each other and B and D face each other.
Connect the tester’s head alignment cable to the drive in slot B04 (Figure 4-15).

Connect the drive to ac wall power and set all ac/dc circuit breakers to on. STANDBY,
READY, DOOR CLOSED, CTRL A, B, and UNSAFE should not be lit.

Press RESET in tester; all tester LED (light-emitting diode) displays should illuminate.

Release RESET; all LED displays should extinguish.

4-22

HEAD ALIGNMENT INDICATOR
AND METER CONTROLS
I

INFORMATION

DISPLAY

RUNNING

FUNCTION
SELECT

)

SYNC

COmMP

SYNC

COmp

DATA SELECT
SWITCHES

SWITCH
8214-2

Figure 4-14

RPO05/RP06 800 Disk Storage Subsystem Tester

4-23

—
A01

Connect tester’s head alignment cable to the drive in
slot BO4 if head alignment is to be done.

AO2 | AO3 | AO4

PCB POSITION
DOV | D02 | D03 | D04

|DOSIDO6|DO7|DO8IDO9IDIO|IDIT|D12|D13|D14|D15ID16|D17|D18|D19|D20|D21

B804

zax 3

082
92
Goul z§
508 4%
U(o

fl<3

[{e]

Qz
= @)
g ® g g 2 - ?Ja & @ o tj Q
) g
215121 ¢ s{2|2|21>1>1algl=21>lu|l9l&|S 3| o 1>
2128 |8|2|5|5|5|6|6|%|%|5]5|%|¢|8|2|3]5|8]|%
pd

o)
g

CO1 | CO2 | CO3 | Co4

PADDLE BOARDS

022

z=
S8

SG
w

PCB COMPLEMENT LOGIC GATE

CONNECTOR PIN INFORMATION

Note: The ““rib” sides
of cables A & C and
B & D will face each

other when cables
are correctly inserted.

Figure 4-15

Tester Cable Hook-Up

Turn drive ac power OFF, then ON. Observe that the following indicators are lit.
Tester

Drive

Display = FF
Error Code

CTRLA,B
UNSAFE
STANDBY

This step demonstrates the expected results when the drive is powered down and up with the
tester connected.

4-24

Toggle Reset on tester and observe that all indicators go off except STANDBY.

10.

Depress START/STOP switch on the drive to START position. Observe that STANDBY
indicator goes off.

11.

Press Reset on tester. START indicator will light. If door is closed, DOOR LOCKED will
light and spindle will now start spinning.

12.

Heads will not load until a test routine is executed. Pressing reset on the tester will cause
heads to retract and unload.

13.

Perform the routines listed in Table 4-3 to verify operation of the drive. Details of these tests
are contained in Appendix B of the Memorex RPO5/RP06 677-01/51 DEC Disk Storage
Drives Technical Manual (ER-00012). Table 4-4 describes function switch operations. Some
of the routines are expressed in hexadecimal form (base 16); Table 4-5 contains a conversion
procedure between decimal, octal, and hexadecimal numbers.
Table 4-3

Tester Routine Numbers and Run Options

Routine

Test

Run
Time (sec)*

Wrap

Error Control /Run Options

01 =Loop on pass.
02 =Loop on error.

Incremental Seek

01 = Run continuously and

stop on error (default).
02 =Loop on error
02

Alternate Seek

01 = Alternate seek stop on
error.

02 = Loop on error.
03

Random Seek

01 = Run continuously and

stop on error (default).
02 =Loop on error.

Tachometer Gain

Adjustment

00 = Verify tachometer gain
(no link).

01 = Adjustment mode
02 =Loop on error.

80 = Verify tachometer gain
and link (default).

*Time required for one loop through the routine.

4-25

Table 4-3

Tester Routine Numbers and Run Options (Cont)
Run

Routine
05

Test
Head Alignment

Time (sec)*

Error Control /Run Options

01 = Run continuously and

stop on error (default).
02 =Loop on error.

Head Alignment
Verification

~10

00 = Verify mode (default).
02 =Loop on error.

Head Alignment

Track Seek

00=Run once and stop
(default).

02 =Loop on error.

Write Read
Verification

00 = Write all heads of cylinder and stop
(default).
02 =Loop on error.

Incremental

Offset Read

00=Read once and stop
(default).

0l =Read

continuously

and stop on error.
02 = Loop on error.

Read Continuously
(Errors Monitored)

~20 min

01 = Read 65,535 times and

stop (default).

02 =Loop on error.

Read Write Safety

00 = Check latches once (no
link).

02 = Loop on error.

80 =Check latches once
and link (default).

*Time required for one loop through the routine.

4-26

Table 4-3

Tester Routine Numbers and Run Options (Cont)
Run

Routine
0D

Test
Offset

Time (sec)*

Error Control /Run Options

00 = Run once and stop (no
link).

01 = Run continuously and
stop on error.

02 =Loop on error.

80=Run

once and link

(default).

Index

00 = Run once (no link).
01 = Run continuously and
stop on error.

02 = Loop on error.

80=Run once and link
(default).
11

Display Drive
Output Byte

00 = Display one drive output byte.
Byte number
(default).

Recalibrate

00 = Run once (default).
02 = Loop on error.

Write

00 = Write all heads of cylinder and stop.

01 =Write continuously
and stop on error.
02 =Loop on error.
NOTE
Error code dictionaries and flowcharts for tester routines are contained in Appendix B. An error code of
“FF”’ indicates successful completion of the test.
*Time required for one loop through the routine.
Link Options: Routines 0D, 10, 04, 0B, and 08 can be linked together to provide automatic consecutive execution

of these routines. To run, load Routine OD into function 1. Switch to function 0 and execute. An error code of
“FF” indicates successful completion. Executing function F will display the last routine run if successful com-

pletion did not occur.

4-27

Table 4-4
Function | Function
Position | Operation

Function Switch Operations

Data Switch
Entry

Comments

Execute routine

N/A

Executes the routine defined by function 1.

Enter routine to
be run

XX = the number of the routine to be
run.

Enter parameter
data

Enters parameter data XX in the byte
defined by function 3. Automatically

Enter parameter
byte

XX = Parameter byte number to be
operated on.

Display parameter
byte

N/A

Displays parameter data of byte
defined by function 3. Automatically

Error control/run

increments to the next byte number at
execution of this function.

increments the next byte number after
execution of this function.

XX = Option code for routine to be

options

Advance head

run.

N/A

May be selected only where head

alignment feature is installed in the
tester and the head alignment routine
is running.

Display routine

N/A

Displays the number of the routine

just executed.

number

4-28

Table 4-5

4.5

Hexadecimal-Octal Conversion

Decimal

Binary

Octal

Hexadecimal

0
1
2
3
4

0000
0001
0010
0011
0100

0
1
2
3
4

5
6
7

0101
0110
0111

5
6
7

8
9

1000
1001

10
11

8
9

10
11
12
13
14
15

1010
1011
1100
1101
1110
1111

12
13
14
15
16
17

A
B
C
D
E
F

HEAD CLEANING

4.5.1
Head Inspection Procedure
Remove the disk pack and inspect the heads for evidence of brown streaks or residue on the whitecolored sliders. Use of the dental inspection mirror permits an unobstructed view of each head surface.
If a head faces upward, a better view of the head surface may be obtained by pushing the cam surface
of the head arm down slightly with one finger. The downward-facing head directly above can also be
inspected at this time via a dental mirror, which will also provide an unobstructed view of the upper
head slider.
CAUTION
Do not touch the face of read/write heads with fingers or dental mirror. Oil from the skin can cause
deposits of foreign materials to build up. Do not
leave any residue or lint on the head. Do not blow on
the head, as moisture from breath causes
contamination.

4-29

4.5.2

Possible Head Conditions

Head inspection should categorize the head slider in bne of the three conditions described in the
following paragraphs.

4.5.2.1

Clean Head - If the head slider is clean and white, with no visible indications of lint or foreign

material, no cleaning is required.

4.5.2.2 Dirty Head - If there is brown residue on the trailing edges of the slider, the head is dirty and
needs cleaning.
4.5.2.3 Head/Disk Interference - If there are light brown or dark brown streaks across the face of the
slider, head/disk interference (HDI), or head crash is indicated. In this case the head(s) should be
removed and replaced.
CAUTION
If evidence of HDI is detected, all packs that have

run on the affected drive should be isolated. These
packs will require surface cleaning and inspection, or
possibly a refurbishing by the vendor, before they can
be run again on ANY drive. Failure to observe these
precautions could result in further head crashes and
damage to additional packs. Do NOT attempt to
clean pack surfaces yourself!
4.5.3

Head Cleaning (Figure 4-16)

The need for cleaning heads should be determined by inspection and drive usage. Cleaning a clean

head serves no useful purpose and exposes the head to possible contamination; therefore, frequency of

cleaning must be based on the observed condition of the heads.

Clean and polish the heads, using a clean Kimwipe wrapped tightly and smoothly around
the plastic paddle. Hold the paddle firmly against the head surface, keeping the paddle flat
against the head at all times, and clean with a side-to-side motion.
NOTE

A clean Kimwipe should be used for each head. The
top of the wrapped paddle may be used for the upper
head and the bottom for the lower head. However,
the wipe should then be replaced with a clean one
before beginning on the next head.

One to three drops of alcohol may be used; however, this must be followed by a polishing or
buffing with a clean, dry Kimwipe-wrapped paddle. Use of a greater amount is permissible if
the heads are extremely dirty, but must be followed by a cleaning with one to three drops of
alcohol and then a dry buffing.

Reinspect the heads after cleaning to ensure that the residue has been completely removed,

and no lint or paper fragments were left.

4-30

M-0622

Figure 4-16

4.6

Cleaning Heads in Drive

POWER

4.6.1

Power Conversion

NOTE
Following any frequency conversion, be sure to check

power supply voltages both at the transformer primary and secondary windings and at regulator outputs.
4.6.1.1
50-Hz to 60-Hz Conversion - M aterials needed are included in the 60-Hz Drive M otor Assembly Kit. The conversion procedure is as follows.

Replace the drive motor as described in Paragraph 4.6.6.2 of the RP05/RP06 Technical
Manual.

Replace the drive belt as described in Paragraph 4.6.6.4 of the RP0O5/RP0O6 Technical
Manual.

Verify that the Power Conversion Plug Assembly (Figure 4-6) has the phase-to-phase connector installed.

4-31

Determine the phase-to-phase voltage of the power source, and move power supply leads to
appropriate terminals of TB319 on the transformer. (Refer to Figure 4-17.)

Refer to Figure 4-17 and move the following wires:
From TB317-1 to TB318-1
From TB317-3 to TB318-3
From TB317-4 to TB318-4
From TB317-6 to TB318-6
From TB317-7 to TB318-7
From TB317-9 to TB318-9
From TB317-10 to TB318-10
From TB317-12 to TB318-12.

4.6.1.2 60-Hz to 50-Hz Conversion - Materials needed are included in the 50-Hz Drive M otor Assembly Kit. The conversion procedure is as follows.
1.

Replace the drive motor as described in Paragraph 4.6.6.2 of the RP0O5/RP06 Technical
Manual.

Replace the drive belt as described in Paragraph 4.6.6.4 of the RPO5/RP06 Technical
Manual.
Determine if the power source is WYE or DELTA configured. Locate the Power Conversion Plug. If the source is DELTA, install the phase-to-phase plug. If the source is WYE,
install the phase-to-neutral plug.

Determine the phase-to-phase voltage of power source if DELTA configured, or the phaseto-neutral voltage if WYE configured, and move power supply leads to appropriate terminals of TB319 on the transformer. (Refer to Figure 4-17.)
Refer to Figure 4-17 and move the following wires:
From TB318-1 to TB317-1
From TB318-3 to TB317-3
From TB318-4 to TB317-4
From TB318-6 to TB317-6
From TB318-7 to TB317-7
From TB318-9 to TB317-9
From TB318-10 to TB317-10

From TB318-12 to TB317-12.

4.6.2

Power Configuration Check

4.6.2.1
1.

60-Hz Drive - The procedure for checking the power configuration is as follows.
Verify that the Power Conversion Plug Assembly (Part No. 215766, shown in Figure 4-6)
has the phase-to-phase connector installed (P110 in the Memorex RP05/RP06 677-01 Logic
Manual, EK-RPO5SM-TM-VO01, page ZA100).

Determine the phase-to-phase voltage of the power source, and move power.supply leads to
appropriate terminals of TB319 on the transformer. (Refer to the above logic manual, page
ZD100.)

4-32

50Hz

TB319

- 240 Vac

ACO1

§0H, |

230 Vac

TJ |

208 Vac

14|

l 5

_I—Q\T__"/ojl__ RECTIFIER
o—
6

R |

| O
6

b +14V

[é |

230 Vac

—OT

| s |

r _240 Vac [ZI l 5 |
ACO1

RSN
T

220 Vac
L

18318

o
| & ]

60Hz

TB317

—tol

T 2 1

| 2 I

}

O-

|
o4

BIEs

1,1 1

|l
I

60Hz

L;I
rB |

RECTIFIER
)

| 13 |

11,0L|

9—177

| 4 l

L_J

RECTIFIER

1ot

P oo

—T1° |

__|"°\_l__!/°'|__‘ , £24V

Lz
|
GND

rv;

| g |

l 10 lL 50Hz

il
/I\C100

| 7 |

o |

ACO2

TO
> +10V

| 11

> +24V

RECTIFIER

N
| 12 |

‘ J il

ll'él

RECTIFIER

—

r—

NOTES:

—

| 13 I

Unless otherwise specified:

Efl

Wiring shown for 60Hz. For 50Hz wire connections to corresponding points on TB317.

Connect lead to voltage tap closest to local supply voltage and at proper frequency.

Connect lead to appropriate tap (50Hz or 60Hz).
Refer to RP05/06 Logic Manual for more detail [EK-RPQBM-TMv02].
CP-2959

Figure 4-17

Transformer Primary and Secondary Connections

4-33

4.6.2.2
1.

50-Hz Drive — The procedure for checking the power configuration is as follows.

Determine if power source is WYE or DELTA configured. Locate the Power Conversion
Plug Assembly (Part No. 215766, shown in Figure 4-6). If the source is DELTA, install the
phase-to-phase plug. If the source is WYE, install the phase-to-neutral plug (P110 in the
above logic manual, page ZA100).
Determine the phase-to-phase voltage of power source if DELTA configured, or the phase-

to-neutral voltage if WYE configured, and move the power supply leads to appropriate
terminals of TB319 on the transformer. (Refer to the above logic manual, page ZD100).

4-34

CHAPTER §

INSTALLING THE RPO0S/RP06 INTO
AN RJPOS/RJP06 SUBSYSTEM

5.1

INTRODUCTION

When one or more RP0S (or RP06) is combined with one or more RH11 controller, the combination is
designated as an RJPO5 (or RJP06) subsystem. System diagram E-SD-RP04-0-1 shows system interconnection, module locations, power wiring, and single-port and dual-port option data. More complete details regarding this type of installation can be found in the RJP0O5/RJP06 Moving Head Disk
Subsystem Maintenance Manual (EK-RJP05-MM-001) and the RPO5/RP0O6 Device Control Logic
Manintenance Manual (EK-RP056-MM-001).
5.2

ELECTRICAL

Power cable connections, Unibus cable connections, and Massbus cable connections are described in
the following paragraphs.
5.2.1

Power Cable Connections

Power is distributed to the two hex-height RH11 modules via two power cables that attach to the
printed circuit backplane assembly by quick-disconnect tabs. (Refer to the RH11 wired assembly
drawing, D-AD-7009397-0-0.) The power cables have Mate-N-Lok connectors on one end to connect
to the power distribution panel located above the backplane, and quick-disconnect tabs on the other
end to connect to the RH11 backplane assembly. The color codes associated with the power harness
connections are as follows.
Harness No. 1
Rows 1-4
+5V
+5V
Gnd
Gnd

Harness No. 2
Rows 5-9

Red
Red
Black
Black

ACLO(#+3Vto+5V)
DCLO(+3Vto+5YV)
LTC (8 V peak-to-peak ac)
+15V
-15
+5V
+5V
Gnd
Gnd

CAUTION
Ensure that backplane wires are not damaged when
power cables are connected to the backplane. Do not
cut AC LO and DC LO wires out of the power harness, as they are used for power fail conditions on the
Massbus and on both Unibus A and Unibus B ports.

5-1

Yellow
Violet
Brown
Gray
Blue
Red
Red
Black
Black

After power connections have been made, check for power shorts with an ohmmeter. Ensure that all
modules are firmly seated in the proper slots (Figure 5-1). Power up the CPU or expander box and
measure voltages in accordance with values listed for the preceding color codes. After this is done, turn

the power OFF.

UNIBUS

(BUSA)

ouT

(BUSB)

(BUSA)

A IN

(SEE NOTE 1)

(SEE NOTE 2)|(SEE NOTE 2) |(SEE NOTE 3)

M7297

DATA

PARITY

BUS

CONTROL | CONTROL

(PAC)

(BCT)

MODULE

BUFFER

MASSBUS

TRANS-

(MBSA)

(MBSB)

(MBSC)

CONTROL
(DBC)

MODULE

MASSBUS | MASSBUS

CEIVER

G727

M7296

UNIBUS
POWER

FAIL

DRIVER

(BUSB)

(BUSA)

CONTROL
8
STATUS

REGISTERS

(CSR)

NOTES:

MAY BE EITHER M920 (CONNECTION FROM ADJACENT DEVICE) OR

MAY BE M920 (CONNECTION TO ADJACENT DEVICE), M930 (TERMINATION

BC11A CABLE (CONNECTION FROM ANOTHER BOX OR NON-ADJACENT

AT END OF UNIBUS A), OR BC11A CABLE (CONNECTION TO NEXT BOX OR

DEVICE).

NON-ADJACENT DEVICE).

MAY BE M9300 (TERMINATION AT BEGINNING OR END OF UNIBUS B) OR

BC11A CABLE (CONNECTION TO OTHER BUS B DEVICES).

G727 GRANT CONTINUITY MODULE(S) MUST BE INSERTED IN SLOTS D.
n-2384

Figure 5-1

RHI11 Module Utilization

5-2

5.2.2

Unibus Cable Connections

The RHI11 is a two-port Unibus device capable of accepting two Unibus cable systems, designated
Unibus A and Unibus B.

5.2.2.1 Unibus A Connections - The Unibus A cable slots connect the RH11 to the processor controlling it. The Unibus A cable enters the RH11 via slot A1B1 and connects to the next device via slot
A9B9. (Refer to the module utilization drawing, D-MU-RH11-0-01.) Connections to slot A1B1 are
made via the BC11A Unibus cable if the RH11 is the first Unibus A device in the mounting box.
Otherwise, connection to A1B1 from the preceding device is made by an M920 Unibus Jumper module. If the next device on the Unibus is adjacent, connection is also made by an M920 module; if it is
not adjacent, connection is made by a BC11A cable.
NOTE

If the RH11 is the last device on Unibus A, an M930
Terminator module is installed in slot A9B9.

5.2.2.2 Unibus B Connections - Unibus B connections are generally made in systems with multiport
memories. When the Unibus B port of the RH11 is not used, an M9300 Terminator module (with
jumper W1 cut) should be installed in slot A8B8 to terminate Unibus B signals into the RH11. The
second M9300 Terminator module should not be used in A7B7 in order to conserve power. If the
Unibus B port of the RH11 is used, connections are determined on the basis of whether a processor is
connected to Unibus B. These connections are described below.
Processor on Unibus B - If a processor is connected to Unibus B, it is electrically connected at the
beginning of the bus. In this case, the M930 Terminator modules supplied with the processor are used
for bus termination, and the two M9300 modules supplied with the RH11 are not used.
NOTE
The M9300 Terminator module may be used as a
substitute for the M930 Terminator module if the
jumpers are selected correctly.

The Unibus B cable connection to the RH11 is made via slot ASB8 with a BC11A cable. Connection
from the RH11 to the next device is made via a BC11A cable connected to slot A7B7. If the RH11 is
the last device on the bus, the M930 or M9300 module is installed in slot A7B7 instead of the BC11A
cable.

No Processor on Unibus B - If no processor is connected to Unibus B, an M9300 Unibus B Terminator
module must be selected as an NPR arbitrator. If one RH11 is connected to Unibus B, the RH11 is
electrically connected at the beginning of the bus with the M 9300 selected to act as an NPR arbitrator.
One M9300 Unibus B Terminator module is placed in slot A8B8 of the RH11. Jumper W1 of that
module must be cut to enable the arbitration logic. Connection to other devices on Unibus B, such as
memory, is made via a BC11A cable connected to slot A7B7. The second M9300 is installed in the last
device on Unibus B. Jumper W2 is removed to terminate the Unibus with no processor connected.
NOTE
In this case, an M930 Terminator module can be
substituted for the M9300 Unibus B Terminator in
the last device slot. If more than one RHI11 is
installed, the user may have extra M9300 modules as
a result of a particular configuration. Figures 5-2, 53, and 5-4 show typical Unibus configurations.

5-3

RH11

UNIA
IN

UNIB
ouT

UNIB
IN

UNIA
ouT

ABO1

ABO7

M9300

ABOS

MODULE

TERM.

50P

UNIA
ouT

MS30

UNIA
IN

UNIA
ouT

(ABOS8)

w2-IN
W3-IN

SEE
NOTE

BEGINNING

UNIBUS A

: A

END OF
UNIBUS

NOTE 1:

Install

M930

terminator

last device on UNIBUS A.
11-2220

Figure 5-2

Single-Port Unibus Configuration

UNIBUS B

END
UNIBUS

M9300

Wi1-IN

wW2-0uUT

W3-IN

RH11

BEGINNING
UNIBUS

UNIA

UNIB

ouT

ABO1

ABO7

SOLID STATE MEMORY

ouT

M9300

ABO9

ABOS

PDP-11/45

MEMORY
UNIA

M930

UNIA

ouT

W1-0UT
W2-IN

UNIA

ouT

W3-1IN
SEE

NOTE

BEGINMNGX
UNIBUS A

IL---v

n——

UNIBUS A

[re—————y

L--

Smve—

UNIBUS A

UONITB

u%a

,L....-v
|

END OF
UNIBUS

NOTE 1:

Install

M9S30 terminator if last device on UNIBUS A.
11-2221

Figure 5-3

Dual-Port Configuration - Memory on Unibus B

5-4

PDP-11

MEMORY

UNIB
ouT

M930

BEGINN&
UNIBUS

UNIB
IN

UNIBUS B

UNIBUS

UNIB
IN

UNIB
ouT

BUS

WINDOW

UNIA
IN

UNIA
ouT

UNIB
ouT

UNIBUS B

RH11
UNIA

ABO1

o
PDP-11

M9300

UNIA

ouT

ABOS8

TERM.

ABOS

MODULE

MEMORY
UNIA

UNIA

ouT

M930

END
UNIBUS
B

Wi-IN

w2-0uUT

UNIA

W3-0UT

ouT

SEE
NOTE

UNIB

SEE
1

NOTE

BEGINNING
UNIBUS A

UNIB

TO
UNIBUS A

UNIBUS A

UNIBUS

END
OF
UNIBUS
A

NOTES:
1. In this configuration can be replaced by M930.

2. Install

M930 terminator if last device on UNIBUS

A.
11-2222

Figure 5-4

Dual-Port Configuration Memory and Processor on Unibus B

5.2.3 Massbus Cable Connections
Massbus connections to the RHI11 are made via three 2.45-m (8-ft), 40-conductor ribbon cables
(BCO6R-08). These cables plug into three M 5904 transceivers in the RH11, and are designated Massbus cables A, B, and C. These cables should be inserted into the modules with the edge-marking facing
the module handles. The other ends of these cables mate to the input/output connector block assembly
on the connector panel with the edge-marking facing up (per D-UA-RJP04-A-0). The connections are
made as follows.
l.

Massbus Cable A - From slot C4D4 of the RH11 to the righthand side of the connector
block (viewed from the male side, springs at top). The edge-marking should face up.
Massbus Cable B - From slot C5DS5 to the next connector slot, with the edge-marking facing
up.

Massbus Cable C - From slot C6D6 to the next connector slot, with the edge-marking facing
up.

5-5

To terminate the Massbus, a 7009938 terminator pack assembly should be plugged into the output
connector(s) of the last drive (Figure 5-5). The Massbus cable connections to the RH11 are shown in
Figure 5-2 and 5-3 for single-port and dual-port systems, respectively.

RH11

DISK DRIVE

LAS;‘ DRIVE
ON

MASSBUS

M5904 |

x | M5903 | &

|M5903 | 4

SLOT
CDO4

SLOT
ABO1

~—

sLot
ABO1

M5904

SLOT
CDO5

M5904
sLot
CDO6

]

M5903

SLOT
ABO2

]

SLOT

ABO1

M5903

sLoT
ABO3

TERMINATOR
PACK ASSY

(7009938)

siLoT
ABO1

MASSBUS

CABLE

CONNECTORS
NOTES:
¥ Flat massbus cable (3) internal to drive cabinet
and to cabinet containing RH11.
¥ Round massbus cable external

to cabinets.

1. Last drive terminated with 7009938
terminator pack assy.
11-2561

Figure 5-5

Massbus Cable System Configuration

5.24 ACLO,DCLO
AC LO and DC LO signals from the RHI11 power supply must be connected to the RH11. There
should be only one. AC LO and one DC LO power fail connection to each Unibus from the power
supply of each mounting box. (Otherwise, power fail conditions would latch up due to positive feedback to the power fail logic.) If a device already mounted in the mounting box to be used for the RH11

has AC LO and DC LO connections to a Unibus, remove the M688 Power Fail Drive module for that

Unibus from the RHI11. The M688 for Unibus A is located in slot ES; the M688 for Unibus B is

located in slot E4.

The following is a summary of power fail configuration rules.
1.

For each mounting box, there is only one AC LO and DC LO power fail connection to a
Unibus from the power supply.

Power supply AC LO and DC LO must always be wired to each RHI11 via the power
harness.

Power fail signals may only be disconnected from a Unibus in an RH11 by removing the

appropriate M688 Power Fail Driver module.

5-6

Power supply AC LO and DC LO should be disconnected from all other options mounted in
the same box as the RH11 if they do not need those signals for internal operation.

Figures 5-6, 5-7, and 5-8 show three typical power fail configurations that conform to these rules.

UNIBUS B

UNIBUS

RH14

ol
D

1237

GZL
o

M688

EO4

EO5

‘]’

C100

OPTION

POWER

FAIL | POWER

FAIL

CONNECTIONS | CONNECTIONS
MADE

M7295
ABCDEFO2

BOX

M688
Y

MOUNTING

3§

EXPANDER

:’)

UNIBUS

MADE

UNIBUS

M7295
ABCDEFO2

cea

l—“—l

[—”—1

POWER SUPPLY

R37

L R38 1
+5V

Ac
Lv

oSy
+5V

oC
Lc(?

SUPPLY AC LO

SUPPLY DC

NOTE:

One RH11 mounted with other options in
an

expander

mounting box.
11-2218

Figure 5-6

Typical Power Fail Configuration for RH11 and Options
Mounted in Same Expander Box

5-7

UNIBUS B

UNIBUS A

RH11

RH114
3

(7))

)

(

MEBS

[7p]

(/]

Fee)

v4)

)

EOS

see

| noTE 1
|

bow——pyd

|
|

BOX

[7p]
>

)

MOUNTING

——

"[’

M688

EO4

—

see

NOTE 1

OPTION

toxe—-—wd | POWER FAIL

CONNECTIONS
MADE TO
UNIBUS

M7295
ABCDEFO2

C100

cea

C100

csa

R37

R38

R37

R38

POWER SUPPLY

+5V

SUPPLY

¢:

Disconnect power fail signals from
siot E0O5

AC LO

SUPPLY DC

NOTE

+5V

BUSA by removing M688 in

& from BUSB by removing M688 in slot EOA4.
11-2216

Figure 5-7

Typical Power Fail Configuration for Two RHl11s
Mounted in Same Expander Box

5-8

UNIBUS B

UNIBUS A

CPU

RH1 o-

(40}

[7p]

(/2]

[¢

)

[7p]
2D

M688
INTERNAL

Powes FALI-L

SIGNAL USE

EO4

[72]

MOUNTING

BOX

(/2]

r --“1'
|

PROCESSOR

see

OPTION
A

NOTE 1

“ey-——-ad | CONNECTIONS
POWER FAIL

T
s

MADE TO
UNIBUS

M7295
ABCDEF 02

c100
R37

M7295
ABCDEF 02

c84

POWER SUPPLY

[““_1
R38

+5V

SUPPLY AC LO
SUPPLY

NOTE

DC LO

Disconnect power fail signals from BUSA by
removing

M688

in slot

EOS.
1"-2217

Figure 5-8

Typical Power Fail Configuration for RH11 and CPU
Mounted in Processor Box

5-9

3.3

JUMPER CONFIGURATIONS

The following paragraphs describe the various jumper configurations on the BCT, DBC, and CSR
modules.

5.3.1

BCT Module (M7295)

The BCT module contains jumpers for register selection, BR level interrupt, NPR latency, vector

address, and missed transfer error.
5.3.1.1
Register Selection - The RH11 is capable of responding to 30 possible Unibus addresses, with
the exact number dependent on the Massbus device. For the RP05/RP06 Disk Drive, the following
jumper configuration should be used (D-CS-M7295-0-1, sheet 2).
Jumper

Address Bit

Jumper In/Out*

Out

W3
W4
W5
W6
W7

10
9
8
7
6

Out
In
Out
Out
Out

W38

*Jumper In = Binary 0.

Jumpers W1-W8 select the block of Unibus addresses to which the RH11-RP05/RP06 responds. The
standard addressing block assigned is 776700-776746.
The jumpers in E3 (D-CS-M7295-0-1, sheet 2) are selected for the appropriate number of registers (20)
in the RJP05/RJP06 subsystem.
Slot

Jumper

Jumper In/Out

1-16
2-15
3-14
4-13
5-12(2)
6-11(4)
7-10(8)
8-9(16)

Out
Out
In
In
In
Out
In
Out

5.3.1.2 BR Level Interrupt - The priority jumper plug for the RH11 is normally set for the BRS level.
This plug is located in ES7 (D-CS-M7295, sheet 7).

5.3.1.3 NPR Latency - Special circuitry is incorporated on the BCT module to improve NPR latency
time for devices connected to the Unibus. This circuitry is enabled via jumper W 18 (D-CS-M7295-0-1,

sheet 7). When the jumper is left in, the NPR latency feature is enabled. Not all PDP-11 processors will
work with this special feature.

5.3.1.4 Bus Grant - If there are no small peripheral controllers installed in slots C7-F7, C8-F8, and
C9-F9, G727 Grant Continuity modules must be installed in slot D7, D8, or D9. These modules
merely continue the Bus Grant signals to the next device on the Unibus.

5-10

5.3.1.5 Vector Address Jumpers - The interrupt vector transferred to the processor is jumper-selectable via jumpers W11-W17, representing vector bits 2-8, respectively. The RJP05/06 subsystems are
assigned a vector address of 000254, with the following jumper configuration.
Jumper
Wil
W12
W13
W14
W15
W16
W17

Vector Bits
V2
V3
V4
V5
V6
V7
\'4

Jumper In/Out*
In
In
Out
In
Out
In
Out

*Jumper In = Binary 1.

5.3.1.6 MXF Jumper - Jumper W19 (D-CD-M7295-0-1, sheet 9) is used to disable detection of MXF
errors and is used during special maintenance procedures. W19 is normally left in.
3.3.2 DBC Module (M7294)
The DBC module contains jumpers for NPR cycle selection, Unibus parity, and start counter

capacities.
5.3.2.1

NPR Cycle Selection Jumpers - Two jumpers select the type of cycle to be implemented when

performing NPRs. Jumper E66 (3-14) (D-CS-M7294-0-1, sheet 2) selects the RH11 to perform one
memory reference for each NPR request; this jumper is removed in the RJP0O5S/RJP06 subsystem to
allow back-to-back memory cycles to occur. Jumper E66 (2-15) takes advantage of dedicated Unibus
B systems (those in which the RH11 is used exclusively as a Unibus B master) by allowing the RH11 to
transfer complete consecutive blocks of data without giving up the Unibus; to implement this feature,
both this jumper and E66 (3-14) must be cut (BUS HOG mode).
5.3.2.2 Unibus Parity Jumpers - The RH11 option can be selected for 16-data-bit transfers (plus two
parity bits) or 18-data-bit transfers. Unibus A and Unibus B can each be selected individually via
jumpers W1 and W2 (D-CS-M7294-0-1, sheet 8). If left in, jumper W1 allows parity error code detection on Unibus A when the RH11 is performing DATI operations; if W1 is removed, the PA and PB
parity lines of Unibus B are used as data bits 16 and 17, respectively. Jumper W2 serves Unibus B in
the same manner as W1 serves Unibus A. Both jumpers are normally left in.
5.3.2.3 Start Counter Jumpers - Various Silo capacities are jumper-selectable before a write operation onto the disk drive is started. The jumper selections are listed below (D-CS-M7294-0-1, sheet 9).

Jumper E66, Pins 1-16
Jumper E66, Pins 5-12
Jumper E66, Pins 7-10
No Jumper

Selects full capacity of 64 words
Selects 32 words
Selects 16 words
Selects 1 word

NOTE
Only the jumper representing the desired Silo capacity should be connected. The other jumpers should be
removed. For RJP0S/RJP06 subsystems, the 64-

word jumper (E66, pins 1-16) should be connected.

5-11

5.3.3
CSR Module (M7296)
The CSR module contains a jumper (W1 on D-CS-M7296-0-1, sheet 2) to allow for Unibus A selection
only. This jumper overrides the ability of the program to select Unibus B data transfers. The jumper is
normally removed.
5.4

RHI11 INSTALLATION PROCEDURE
This procedure should be performed twice when installing RJP05/RJP06-BA or -BB subsystems.

Visually check the RHI11 backplane assembly for bent pins by sighting along the rows of
pins from two directions. Also check for pinched or broken wires.

Check the backplane for the current wire-wrap revision and remove and check all RH11
modules for current ECO revisions.

Mount for RH11 backplane assembly in the appropriate mounting box using four 8/32-inch
X 1-inch Allen-head screws.

Connect the two power harnesses to the RH11 as described in Paragraph 5.2.1. Ensure that
Mate-N-Lok connectors are seated firmly in the power distribution panel located on the
chassis above the backplane.

Check the RH11 backplane again for bent pins and shorted wires.
Power-up the CPU or expander box and check all voltages, then power-down.

Check that the wires supplying AC LO and DC LO signals from the power supply are
connected to the RH11, as described in Paragraph 5.2.4.
Verify and/or select the jumper configurations in the RH11 according to Paragraph 5.3 and
drawing D-CS-M72935-0-1.

Verify that all modules are placed according to the RH11 module utilization list (D-MURH11-0-1).
10.
11.

12.

Verify that Unibus cable connections are made according to Paragraph 5.2.2.

Mount an input/output connector block assembly (7009861) to a connector panel (7412379)

with four 4/40-inch X S-inch screws (9008042-8).

Verify that two pressure-sensitive labels are applied to the connector panel for each
input/output connector block assembly (E-UA-RJP05-A-0 or E-UA-RJP06-A-0). Label 1 1s
applied above the input/output connector block assembly, and Label 2 is applied below it.

Controller
B1 2 3

Label 1

5-12

The second line of Label 1 must be marked so that only one letter and one number are
visible. The single controller (RH11) used in an RJP05/06-AA or -AB subystem, as well as
the first controller used in an RJP05/06-BA or -BB subsystem, is referred to as controller A.
If it is the first subsystem using the connector panel, it is designated controller Al (etc., up to
controller A4). The second controller in an RJP05/06-BA or -BB subsystem is designated as
controller BX, where X is the same subsystem number as the associated controller A.
Example: Two RH11 controllers are mounted in the same cabinet, one for each of two
RJP05/06-AA subsystems. Each RH11 uses one input/output connector block on the connector panel; the first is called controller Al, the second is A2. Later, an RJP05/06-BA
subsystem 1s installed with its two RH11 controllers mounted in the same cabinet. The
remaining two slots on the connector panel are used, with one being labeled A3 and the
other B3.

CBA

Label 2
This label simply shows the relative positions of the flat Massbus cables A, B, and C.
13.

Mount the connector panel at the bottom rear of the cabinet containing the RH11, using
four 10/32-inch Tinnerman nuts (Part No. 9006586) and four 10/32-inch X 0.38-inch Trusshead screws (Part No. 9006071-3). (Refer to D-UA-RJP05-A-0 or D-UA-RJP06-A-0.)

14.

Verify that Massbus cable connections are according to Paragraph 5.2.3.

15.

Clean the air filters at the top of the mounting cabinet, if necessary.

16.

Check mounting cabinet fans for proper operation.

5-13

CHAPTER 6

RJPOS/RJP06 FIELD ACCEPTANCE
PROCEDURES AND DIAGNOSTICS

6.1

INTRODUCTION
Field acceptance testing is intended to demonstrate performance of the RP0O5/RP06 Disk Drive
and/or the RJP05/RJP06 subsystem to the customer prior to his acceptance.

6.2
ERROR DEFINITIONS/RATES
The RP05/RP06 contains three registers to display the various error conditions possible. Error register
1 (RHER 1) indicates the operational error related to command and control; error registers 2 and 3

(RHER 2, RHER 3) indicate drive error conditions. Two bits of RHER 3 (SKI and OCYL) indicate
seek errors and are used to calculate the seek error rate (Paragraph 6.2.4). Four bits of RHER 1
(HCRC, HCE, ECH, and DCK, which may include DTE and FER) indicate data errors; the remaining bits of RHER 1 indicate command and control errors. Table 6-1 lists indications of the various
error types and their explanations.
6.2.1

Hard Errors

Any failure to read data correctly after a complete recovery sequency with ECC enabled constitutes an
irrecoverable, or hard, error. (A complete recovery sequence consists of 28 retries, 16 at the nominal

head position, and 2 each at selected offsets; 10 um, 20.3 um, and 30.4 um (400, 800, and 1200 microinches) for the RP0S, and 5 um, 10 um, and 15.2 um (200, 400, and 600 microinches) for the RP06.
Errors that are not ECC-correctable include bursts greater than 11 bits in length and isolated dropped
bits (separated by more than 11 bits) within a sector. The allowable error rate for hard errors is one
error per 10!2 bits read.

Table 6-1

Bit

Bit Set
Register

HCE
HCRC

HCRC

RPO05/RP06 Error Conditions

Error Type

Explanation

RHER 1
RHER 1

Soft

Sector Count Field/Desired. Sector Compare fails due
to CRC failure.

RHER 1

Soft

Sector Count Field matches desired sector field but
there is CRC error.

HCRC

RHER 1

Soft

Format bit in first header word incorrect.

FER

RHER 1
NOTE
FER without HCRC during an operation
that reads the header indicates wrong format pack mounted.

DCK

RHER 1

Soft

Error detected during read operation by examination of
ECC bytes; correctable by retry sequence.

DCK
ECH

RHER 1
RHER 1

Hard

Error detected which is ECC uncorrectable through 28
retry sequence (16 retries at nominal head position and
12 with head offset).

SKI

RHER 2

Seek

Seek operation fails to complete within 85 ms of

initiation.

Recalibration operation fails to complete within
500 ms of initiation.

Offset or return-to-centerline operations fail to
complete within 10 ms of initiation.

SK1
OCYL

RHER 3
RHER 3

Seek

Positioner has drifted off cylinder subsequent to completion of positioning operation.

HCE

RHER 1

Seek

Sector Count Field (RHLA) does not match Desired
Sector Field (RHDST) and there is not a CRC error.
This error is not caused by a positioner failure: It is due
to a DCL failure. Therefore, HCE alone indicates an
RP05/RPO06 seek error and not a 677-51 or 677-01 drive
seek failure.

6-2

6.2.2

Soft Errors

Any failure to read data correctly on the first try that is then read successfully during a recovery
sequence constitutes a recoverable, or soft, error. (Refer to Paragraph 6.2.1 for definition of a complete recovery sequence.) The allowable error rate for soft errors is one error per 10° bits read.
6.2.3

Pack-Attributable Errors

An error caused by imperfections in the recording surface is regarded as pack-attributable, or mediadependent. If the imperfection is less than 11 bits long, it is ECC-correctable and will appear as a soft
error; if more than 11 bits long, it will appear as a hard error. On a given pack, pack-attributable errors
will always appear at the same cylinder, sector, and track addresses, with an ECC POS REG value
within 11 bits. The definitions of hard and soft errors in Paragraphs 6.2.1 and 6.2.2 apply only to
randomly distributed errors, and do not take into account errors that are pack-attributable. Imperfections in the pack surface may be found by mapping the pack using the formatter program.
6.2.4 Seek Errors
Any positioning operation that is not completed within a specified time (85 ms for Seek commands,
500 ms for Recalibrate commands, and 10 ms for Offset and Return to Centerline commands), or that
terminates with the positioner in an incorrect location, constitutes a seek error. The allowable error
rate for seek errors is one error per 10¢ seek operations.
6.3 RJP05/RJP06 FIELD ACCEPTANCE TEST
The RJPO5/RP06 Field Acceptance Test is designed to demonstate the performance
RPO05/RP06 Disk Drive when used with an RH11 controller.

of the

6.3.1
Operational Checks, Single Controller
When all installation procedures have been completed, the tests described in the following paragraphs

should be performed. The total time required to run these tests, in the absence of failures, is 3.5 hours
per RP04 or RP05, and 4.7 hours per RP06. The diagnostics are defined in Paragraph 6.4).
RP04/05/06 Diskless Controller Test, Part 1 (Static 1A) - MAINDEC-11-DZRJG
Run Procedure

Run two passes, using default parameters.

Errors Allowed

None

Error Recovery Procedure

Correct problem and restart acceptance on failing drive.

Approximate Run Time

5 minutes/drive

RP04/05/06 Diskless Controller Test, Part 2 (Static 1B) - MAINDEC-11-DZRJH
Run Procedure

Run two passes, using default parameters.

Error Allowed

None

Error Recover Procedure

Correct problem and restart acceptance on failing drive.

Approximate Run Time

10 minutes/drive

6-3

RP04/05/06 Functional Controller Test, Part 1 (Static 2A) - MAINDEC-11-DZRJI

Run Procedure

Run two passes, using default parameters.

Errors Allowed

Only pack-attributable errors

Error Recovery Procedure

Correct problem and restart acceptance on failing drive.

Approximate Run Time

5 minutes/drive

RP04/05/06 Functional Controller Test, Part 2 (Static 2B) - MAINDEC-11-DZRJJ
Run Procedure

Run two passes, using default parameters.

Errors Allowed

Only pack-attributable errors

Error Recovery Procedure

Correct problem and restart acceptance on failing drive.

Approximate Run Time

5 minutes/drive

Format Program - MAINDEC-11-DZRJB

Run Procedure

Run according to Table 6-2.

Errors Allowed

Pack-attributable errors only

Error Recovery Procedure

Correct problem and restart acceptance on failing drive.

Approximate Run Time

8 minutes/RP0S; 16 minutes/RPO06.

RP04/05/06 Mechanical and Read/Write Test - MAINDEC-11-DZRJA

Run Procedure

One pass of all tests, using default parameters. Ten passes
of tests 0 through 6.

Errors Allowed

Pack-attributable errors only. (Use same pack as Format
Program.)

Error Recovery Procedure

Correct problem and restart acceptance on failing drive.

Approximate Run Time

1 hour, 15 minutes/RPOS; 2 hours, 30 minutes/RP06

RP04/05/06 Multidrive Exerciser - MAINDEC-11-DZRJD
Run Procedure

Runs all drives, using default parameters until 6.25 X 107
words have been transferred on all drives

Errors Allowed

One soft error that is not pack-attributable. (Use same
pack as Format Program.)

Error Recovery Procedure

Drop failing drive from test. Continue test on remaining
drives. Correct problem and restart acceptance on failing
drive.

Approximate Run Time

1 hour, 30 minutes/drive

6-4

DEC/X11

Run configured for system with default parameters for one

Run Procedure

hour.
Errors Allowed

Two system soft errors that are not pack-attributable. (Use
same pack as Format Program.) Data late errors (DLT)
are to be expected on heavily-loaded systems and, as such,
should not be considered as errors.

Error Recovery Procedure

Drop failing drive and continue test on remaining drives.
Correct problem and restart acceptance on failing drive.

Table 6-2
DRV 0

DRV 1

Format (MAINDEC-11-DZRJB) Run Procedure

DRV 2

DRV 3

DRV 4

DRV S

DRV 6

DRV 7

Write
Write
Write
Default
Option (1) |Check (1) | Check (1) | Check (1)

Write
Write
Write
Write
[
|Check (1) | Check (1) | Check (1) Check (1)

Write
Check (1)

Write
Write
Write
Write
|Check (2) | Check (2) | Check (2) | Check (2)

Default
Write
Write
|Option (2) | Check (2) | Check (2)

1.
2.
3.

Use the same CE pack for all drives that will have packs.

Format all scratch packs on the same drive.
Isolate compatibility problems using Table 6-2.

6.3.2 Operational Checks, Dual Controller
When all installation procedures have been completed, the tests described in the following paragraphs

should be performed. The total time required to run these tests, in the absence of failures, is 4.5 hours
per RP0O5 and 5.5 hours per RP06. The diagnostics are defined in Paragraph 6.4.
RP04/05/06 Diskless Controller Test, Part 1 (Static 1A) - MAINDEC-11-DZRJG

Run Procedure

Run two passes, using default parameters (both ports).

Errors Allowed

None

Error Recovery Procedure

Correct problem and restart acceptance on failing drive.

Approximate Run Time

5 minutes/drive/port

RP04/05/06 Diskless Controller Test, Part 2 (Static 1B) - MAINDEC-11-DZRJH
Run Procedure

Run two passes, using default parameters (both ports).

Errors Allowed

None

Error Recovery Procedure

Correct problem and restart acceptance on failing drive.

Approximate Run Time

10 minutes/drive/port

RP04/RP0S/RP06 Functional Controller Test, Part 1 (Static 2A) - MAINDEC-11-DZRJI
Run Procedure

Run two passes, using default parameters (both ports).

Error Allowed

Only pack-attributable errors

Error Recovery Procedure

Correct problem and restart acceptance on failing drive.

Approximate Run Time

5 minutes/drive/port

RP04/05/06 Functional Controller Test, Part 2 (Static 2B) - MAINDEC-11-DZRJJ
Run Procedure

Run two passes, using default parameters (both ports).

Errors Allowed

Only pack-attributable errors

Error Recovery Procedure

Correct problem and restart acceptance on failing drive.

Approximate Run Time

5 minutes/drive/port

Dual Controller Logic Test, Part 1 - MAINDEC-11-DZRJE
Run Procedure

Install dual controller option test cable (Part No. 701050702). Run two passes, using default parameters.

Errors Allowed

Pack-attributable errors only

Error Recovery Procedures

Correct problem and restart acceptance on failing drive.

Approximate Run Time

5 minutes/drive

6-6

Dual Controller Logic Test, Part 2 MAINDEC-11-DZRJF

Run Procedure

Install dual controller option test cable (Part No. 7010507-

02). Run one pass, using default parameters.

Errors Allowed

None

Error Recovery Procedure

Correct problem and restart acceptance on failing drive.

Approximate Run Time

5 minutes/drive

Format Program - MAINDEC-11-DZRJB
Run Procedure

Run according to Table 6-2 (one port only).

Errors Allowed

Pack-attributable errors only

Error Recovery Procedure

Correct problem and restart acceptance on failing drive.

Approximate Run Time

15 minutes/drive

Mechanical

R/W Test - MAINDEC-11-DZRJA

Run Procedure

One pass of all tests, using default parameters (one port
only). Ten passes of tests 0 through 6 (one port only).

Errors Allowed

Pack-attributable errors only. (Use same pack as Format
Program.)

Error Recovery Procedure

Correct problem and restart acceptance on failing drive.

Approximate Run Time

1 hour, 15 minutes/drive/port/RP0S;
minutes/drive/port/RP06.

hours,

RP04/05/06 Multidrive Exerciser - MAINDEC-11-DZRJD
Run Procedure

Runs all drives, using default parameters until 6.25 X 107
words have been transferred on all drives. (Run both ports
simultaneously.)

Errors Allowed

One soft error that is not pack-attributable. (Use same
pack as Format Program.)

Error Recovery Procedure

Drop failing drive from test. Continue test on remaining
drives. Correct problem and restart acceptance on failing
drive.

Approximate Run Time

2 hours/drive

DEC/X11

Run Procedure

Run configured for system with default paramters for one
(both ports).

Errors Allowed

Two system soft errors that are not pack-attributable. (Use

same pack as Format Program.) Data late errors (DLT)
are to be expected on heavily-loaded systems and, as such,
should not be considered as errors.
Error Recovery Procedure

Drop failing drive and continue test on remaining drives.

Correct problem and restart acceptance on failing drive.
6.4

DIAGNOSTIC MAINTENANCE

The diagnostic programs described herein are employed with the RJP0S5/06 subsystems. The following
diagnostics are briefly described. Refer to the applicable diagnostic operating procedures for detailed
information.
Test Programs

MAINDEC-11-DZRIJG
MAINDEC-11-DZRJH

RP04/05/06 Diskless Controller Test
(Parts 1 and 2)

MAINDEC-11-DZRIJT
MAINDEC-11-DZRJJ

RP04/05/06 Functional Controller Test
(Parts 1 and 2)

MAINDEC-11-DZRIJE
MAINDEC-11-DZRJF

RP04/05/06 Dual-Controller Logic Test
(Parts 1 and 2)

MAINDEC-11-DZRJA

RP04/05/06 Mechanical and Read/Write Test

System Exerciser Program

MAINDEC-11-DZRIJD

RP04/05/06 Multidrive Exerciser

Utility Programs

MAINDEC-11-DZEJB

RP04/05/06 Formatter Program

MAINDEC-11-DZRIJC

RP04/05/06 Head Alignment Verification Program

6.4.1 MAINDEC-11-DZRJG and MAINDEC-11-DZRJH - RP04/05/06 Diskless Controller Test
This program tests the RH11 and the DCL portion of the drive. The DCL is the device control logic
used to make the RP05/06 Massbus compatible and must be plugged into the MDLI, or appropriately
terminated. The program does not use the disk surface or any signals from the MDLI. The MDLI is
the mass device level interface which connects the DCL to the drive assembly.

If the disk is powered up, it must be in the Heads Unloaded position. After a successful run (with no
errors) of this diagnostic, it can be ascertained that the DCL logic that processes the data is working
properly. The logic that handles the mechanical commands is not tested in this diagnostic. All data
commands use the Maintenance register in the Wraparound mode.

6-8

6.4.2

MAINDEC-11-DZRJI and MAINDEC-11-DZRJJ - RP04/05/06 Functional Controller Test

The diagnostic tests the DCL portion of the drive. It exercises the disk surface and the mechanical of
the drive to prove proper operation of the subsystem. To run the diagnostic, a disk pack with no vital
information written on it is essential. The disk pack need not be formatted.

After a successful run of this diagnostic (with no errors), it can be concluded that the RP05/06 subsystem is functional. Extended drive testing, timing and subsystem interaction is left to other diagnostics. The RP04/05/06 Diskless Controller Test ( MAINDEC-11-DZRJG and MAINDEC-11-DZRJH)
must have been run successfully before the Functional Controller Test diagnostics can be run.
6.4.3
MAINDEC-11-DZRJE and MAINDEC-11-DZRJF—RP04/05/06 Dual-Controller Logic Test
(Parts 1 and 2)
This program checks the dual-controller logic in the DCL portion of the RP05/06 and requires a
special adapter cable.
6.4.4 MAINDEC-11-DZRJA - RP04/05/06 Mechanical and Read/Write Test
This program contains 19 tests numbered 0 through 224.* Tests 0 through 6 use a Read Header and
Data command to read the cylinder, track, and sector information from the header; the tests then
check the information for validity, ensuring that the seek operation functions properly. Tests 7
through 12 measure the rotational speed, the one-cyclinder seek, the average seek, and the maximum

seek times to ensure that they are all within the specified tolerances. Tests 13 and 14 ensure that the
sector and track addressing circuitry is working properly. Test 15 ensures that the data storage and
retrieval capabilities are operative. Test 16 is used to stress and check the read /write and servo systems.
Test 17 performs all possible seek combinations and verifies that the cylinder difference calculation is
correct for all possible combinations of cylinders. Test 20 verifies that the drive’s positioner is not
drifting off cylinder after the on cylinder indication has been set. Test 21 performs a series of random
seeks with the position verified immediately after the seek has completed.
The program starts by identifying itself and determining that all drives are available for testing. All
drives are then tested beginning with the lowest numerical drive and proceding in sequential order.
One pass (tests O through 15, 20, and 21) is performed on each drive before moving to the next drive in
sequence. The drive to be tested will be typed at the beginning of each pass. At the completion of each
pass, an end-of-pass message will be typed. After testing all drives, an end-of-test message will be
typed.
6.4.5 MAINDEC-11-DZRJD - RP04/05/06 Multidrive Exerciser
The Multidrive Exerciser Program exercises one to eight disk drives attached to the same RH11. If two
or more disk drives are being exercised, operations on the drives are overlapped. (Other drives are
performing seek /search operations while one drive is performing a data transfer or write-check operation.) Operations among the drives are optimized so that a high subsystem data transfer rate or a high
positioning operation rate is maintained.
The performance of each drive is monitored by the program. If a drive exceeds a reset number of errors
in any of several categories, that drive is automatically deassigned. (The operator may override the
automatic deassignment feature.) The program reports performance statistics for each drive being
exercised on request from the operator or automatically at an interval determined by the operator.
All data transfer commands are used (i.e., Write Data, Write Header and Data, Read Data, and Read
Header and Data) as well as Write-Check Data and Write-Check Header and Data commands. Recalibrate and Read-In Preset commands are used at startup and drive initialization. Recalibrate, Offset,

and Return to Centerline commands are used during error processing.

*Test 225 is an RJPO4 Subsystem Test and is not applicable to the RJP05/06 subsystem:s.

6-9

Program/operator communications are through the Teletype®; program options are selected by
Switch register settings and errors are normally reported on the Teletype. However, if a line printer 1s
available, the program will use the printer for error message display.

All commands, data patterns, and data buffer sizes are selected randomly by the program. The
addresses (e.g., cylinder, track, and sector) for each operation are also selected randomly.
At the completion of each operation, the program checks the RH11. The program requires data packs
created by the Formatter Program (MAINDEC-11-DZRJB), by the Read /Write and Mechanical Test
(MAINDEC-11-DZRIJA), or by the Data Pack Generation command of the Exerciser Program.
6.4.6

MAINDEC-11-DZRJB - RP04/05/06 Formatter Program

The Formatter Program is designed to write and verify header and data information on all possible
disk pack addresses with the intention of testing the retention of the recording surfaces. The format is
maintained on a basis of 411 cylinders (for an RP05; 815 cylinders for an RP06), 19 tracks per cylinder,
and 22 sectors per track.

This program formats the disk pack on the assigned drive one track at a time. The data fields are
written with the selected pattern. Key words are written with Os. Each track is verified with a WriteCheck command immediately after it is written.

The portion of the pack to be formatted is determined by the first and last cylinder and track addresses, inclusively. A single track is the smallest element that may be formatted.

Write-check errors are reported when they are detected. If an error is detected, the sector must be
rewritten and verified correctly two successive times to be considered usable. Sectors that cannot be
written correctly twice after an error will be declared unacceptable by the program.

After the last track has been formatted and verified, an additional check is performed. The header of
track 0 and sector 0 of each cylinder is read and compared by the software. This check is performed to
isolate a possible positioner error that may have occurred during the format operation. Two such cases
of positioner malfunction are: failure of the positioner to advance to the next cylinder, and advancement of the positioner past the cylinder desired.

6.4.7

MAINDEC-11-DZRIJC - RP04/05/06 Head Alignment Verification Program
This program checks head alignment of the RP05/06 disk drives. For the RPOS5 drive, the program
checks alignment of heads O through 18 at cylinder 245 and heads 0 and 18 at cylinders 4 and 400. For
the RPO06 drive, the program checks alignment of heads 0 through 18 at cylinder 496 and heads 0, 1, 10,
17, and 18 at cylinders 8 and 800. Alignment is then reverified at the basic alignment cylinder (245 for

the RPOS; 496 for the RP06). The operator will be notified if any head is out of alignment by more than
the specified value.

The program requires that the head alignment test box (Perch) be connected to the drive under test and
that the alignment disk pack to be mounted. The program provides options which allow the operator
to use the head alignment test box to perform head alignment and to exercise the positioner to verify
that the heads were tightened properly after alignment.

®Teletype is a registered trademark of Teletype Corporation.

6-10

CHAPTER 7

INSTALLING THE RP05/RP06 INTO
AN RHP05/RHP06 SUBSYSTEM

7.1

INTRODUCTION

When one or more RPOS is combined with one or more RH10 controller, the combination is designated as an RHPOS subsystem. When one or more RP06 is combined with one or more RH10 controller, the combination is designated as an RHPO06 subsystem. The Massbus interface and all channel
bus, 1/O bus, and Massbus operations that apply to the RH10/RS04 are described in detail in the
RHI10 Massbus Controller Maintenance Manual and also apply to the RP05/RP06. The drives have 16
Masssbus registers; Figure 7-1 shows the formats for all RPOS/RP06 Massbus registers in an
RHPO5/RHP06 subsystem. Refer to drawing D-FD-RH10-0-INST for DATAO and CONO/CONI
formats.

RP05/RP06 Massbus commands are as follows.
Octal Code

Command

01
03
05
07
11
13

NoOp
Unload
Seek
Recalibrate
Drive Clear
Release

15
17
21
23
31
61
63
71
73

Offset
Return to Centerline
Read-in Preset
Pack Acknowledge
Search
Write Data
Write Header and Data
Read Data
Read Header and Data

These command codes may be set in the last two octal digits of the switch panel, and are displayed in
the CR FUNCTION CODE lights. Figure 7-2 represents a simplified block diagram showing typical
RHPOS5/RHPO6 subsystem cable types and connections.
7.2 ELECTRICAL
Power cable connections and Massbus cable connections are described in the following paragraphs.

“/‘/..:-«

23|

]

27|

RH10 BIT POSITION

CONTROL BUS POSITION

CTRL

DVA

RG2

FUNCTION——
o]

]

RG6

STATUS

RTA|

ERR | PP

| moL|

WwRL|

LsT|pDem | oPr|

|syn|

TYPE

6| 8| 4

SS6

ECS8

|
1

»le

EXT

21 1| 5] 4]3 )

SS3

)

.
ECTOR—
016'81412J1

RG3

|
0

DP6

211
o0

ECS8

BCD

|
ol

SGN[

OFFSET

|
O

{FMT|

|
0

DCY

I
eci | Hci|

I
0

oF
>

[

]

ocyL|

]

DESIRED CYL

{

CURRENT CYL

SS6

SS1

1§

|
T

8141

]

EC2

1
EC4

|
ERI\I

X | NHS | mus | wru | aBs | Tur | TorF | Raw|

ACL | DCL

EC6

csv | wsu | csF | weu

SKit | OPE

EC8

|
EC7

WAQO | DCU

Figure 7-1

RPO05/RP06 Register Format (RH10)

7-2

EC1

{

PATT

RG1

010J91817|6[5L4131211JO

|
ER3

PLU

]

4096]20481102115121 2561128[64132116[

|
ER2

]

POSITION

]

|
ECC PAT

|
ECC POS

| oOF | ofF | of | ofF | oF | OF
c
.
3
> | 5
o

|
CCY

i
{ oF
6

1000 | 1000 | 1000 { 1000 | 100 | 100 | 100 | 100] 10 | 10 | 10 | 10

S/N

RG2

EC /

¢———————SECT

|
1

RGO

ILR | ILF

| DTA | M

DAT | cLk | IND | cLK

_—
o]
016[8[41211

ENV | ENV | DAT|

|‘

;

ATA

DTA | Ecc | weT|

cNT | peT | DET|

HCE | ECH | wcF | FER | PAR | RMR]

MAINT

pck | uns | o1 | bTE | WLE | 1AE | AOE

ER-1

DpY | w

& &

20
15

CP-2791

I MEMORY BUS
DF 10

DATA
CHANNEL

CHANNEL

BUS
.
(BC10-P)

CHANNEL
BUS

!
*-T~

RHuIO

1/0

KA/
KI |0

BUS

CENTRAL

(BC10-J, BC10-K) | procESSOR

,
4-+1/0

BUS

DEVICE

NEXT DEVICE

MASSBUS

CABLES

RP04/5/6

(BC06-S)

RPQ4/5/6/e¢—%
UP TO 8

DEVICES

CP-2793

Figure 7-2

RH10/DF10/RP04/RP05/RP06 Interconnection Diagram

7.2.1
Power Cable Connections
Power is distributed within an RHP05/06 subsystem by means of the self-contained RH10 power
supply and a DEC type-857 power control. The +5 Vdc and -15 Vdc requirements of the system are
provided by DEC type-742 power supplies; the +15 Vdc requirement is provided by a DEC type-783
power supply. Power is applied to the subsystem as follows.
L.

Insert the drive power plug into the unswitched side of the 861 power control.

Connect the incoming remote power cable (3-wire) into J1 of the drive, and the output
remote power cable into J2, if applicable.
Connect the power sequence into J3 if this is the first drive; otherwise, connect the incoming
4-wire power sequence cable to J3.

If this is the last drive, or the only drive, no connection need be made to J4; otherwise, a 4wire sequence cable is output from J4 to J3 of the next drive. Part numbers are:
70-08288
70-09490
70-09491

J1,J2 cable, 3-wire
J3 jumper plug, 1st device
J3, J4 cable, 4-wire

Turn SW1 to REMOTE and turn the circuit breaker ON. When the CPU is turned ON, all
drives (if multidrive) will power sequence up, one at a time.

Ensure that phasing is correct by noting that the pack spins in a counterclockwise direction.
If not, reverse the phases in the power box.
When preceding steps have been completed, the drive is physically mounted. Refer to the
acceptance procedures in Chapter 8.

7-3

7.2.2

Massbus Cable Connections

The RP05/RPO06 connects to the RH10 by means of a round Massbus cable assembly (BC06S). Flat
cable is used within the DCL from the round cable transition connector up to the M5903 standard
Massbus transceiver modules in the DCL. Two round cable connection paths exist; one for input from

the previous RH10 or RP05/RP06 and one for output to the next device. If another drive is to follow,
route a BC06S round Massbus cable assembly out through the rear of the drive through the right cable

clamp and into the next drive. Terminate the last drive in the subsystem by a termination block (7009938), which is installed via a zero-insertion-force connector to the final round cable connector block.
Be sure that W2 of terminator board “C” is the only jumper cut, as this enables Massfail.
NOTE
CB1 may be OFF in the terminating drive, yet the
Massbus will operate.

7.3
RH10 MAINTENANCE PANEL
The RHI10 contains a maintenance panel that can be useful for off-line troubleshooting of an inital
installation before running dedicated diagnostic programs. Most cable and DCL problems can be
found and repaired in this manner. The following examples show how the maintenance panel can be
used to check the RP0S/RPO06 configuration, if the RH10 but not the CPU, is available. Run MD-10DDRPK (RP06) or MD-10-DDRPJ (RPOS) for a thorough check of cables and drive system, if the
CPU is available.
Example 1 - Initial Hookup

Place the LOCAL/REMOTE switch to LOCAL, with all other switches OFF.

Start drive(s) and ascertain that the CONTROLLER SELECT switch points to the correct
port. Wait for READY to come ON.

Deposit 01000N000000 in the switches (with N the number of the drive to be tested). Read

Press CLEAR, then press START.

The DIB register data should be 010600 [starting with bit O as the first and total octal digit
(Figure 7-1)]. If the DIB register data is not correct, check the DIB CBTO light. If this is ON,
the drive did not recognize the command. In any case, the cables and drives in the chain are
suspect. If problems exist, power down the drives (by setting CB1 to OFF) to eliminate DCL

faults and investigate cable/transceiver problems using one drive.

NOTE
The terminators do not require power to operate.

If the response was correct, deposit 00400N000021 in the switches. This is a Read-In Preset
command.

Press CLEAR, then press START.

Repeat steps 3 and 4.

The DIB Register Data should be 010700. The VOLUME VALID bit is now set.

10.

If the data is not correct, set the RECYCLE switch to ON and repeat steps 6 and 7. (Dynam-

ic logic cannot be observed with the oscilloscope.)

7-4

Example 2 - Read Data

Execute steps 1-4 of Example 1.
Deposit 40400N000071 (read data command) in the switches.
Press CLEAR, then press START.

The indicator panel should show both DONE and NOT BUSY to be ON. DR EXC should
be OFF, and DBTO should not be set. RUN should be OFF, and FIN EN should be ON.
DBTO indicates that the DCL failed to respond to the command. If DBTO is set, go to
Example 3 (Recycle Read) to set up an oscilloscope loop. CR CBTO should be OFF.
If DR EXC is set, proceed with the subsequent steps.
Deposit 020000N000000 in the switch panel.
Press START; do not press CLEAR.

The contents of Error Register 1 are now displayed. Analyze this data, referring to Figure 71.
9.

Repeat steps 6-8, using 14 and then 15 as the first two digits, to read Error Registers 2 and 3.

Example 3 - Recycle Read
1.

Place the LOCAL/REMOTE switch in LOCAL, with all other switches OFF.
Deposit 00400N000021 in the switches.
Press CLEAR, then press START.

Deposit 01000N000000 in the switches.
Press START.

Check the DIB Register Data for 010700. (Steps 4, 5, and 6 are for continuity only.)

Deposit 05400N000000 in the switches. This is a set to zero of the track and sector address.
When recycling, this DIB command is reexecuted following every read.

Press START; do not press CLEAR.

Deposit 40400N000071 in the switches.
10.

Set RECYCLE to ON, and press START. The drive will now continually read cylinder,
track, sector 0, and can be examined with an oscilloscope. If the entire disk is to be read,
omit steps 7 and 8, and the RH10 will automatically move through the entire disk.

7-5

Example 4 - Write Data
1.

Place the LOCAL/REMOTE switch in LOCAL, with all other switches OFF.

Deposit 00400N000021 in the switches.

Press CLEAR, then press START.
Deposit 40400N000061 in the switches.
Press START.

The indicator panel should show both DONE and NOT BUSY as being ON. DR EXC
should be OFF, and DBTO should not be set. Debug in accordance with Examples 2 and 3,
but use the Write Function code (61) where applicable. RUN should be OFF, and FIN EN
should be ON.

The data in the Data Buffer lights was written onto the drive (zeros, in this case).

To set a data pattern into the Data Buffer for writing, set the switches to 50400NPPPPPP
(where P is the pattern).

Press START, and repeat steps 4 and 5.
NOTE
Do not press CLEAR; this will erase the error.

7.4

VISUAL INSPECTION

‘

Before the acceptance testing is performed, the following visual inspections should be made.
1.

Verify that all modules are configured according to the RP05/RP06 Module Utilization
List.

Ensure that all modules are firmly seated in the system backplane assembly.

Inspect the backplane wiring for broken wires or damaged pins; repair or replace as needed.

Ensure that the power cable is firmly attached to the system backplane assembly
(RP0O5/RPO06).

Clean the air filters at the top of the cabinet, if necessary.

Ensure that all round Massbus cables are properly terminated and firmly seated, and that
the bus is terminated. Inspect the DCL to verify that all flat cables are firmly seated.
Check the cabinet fans for proper operation.

CHAPTER 8

RHPO05/RHP06 FIELD ACCEPTANCE
PROCEDURES AND DIAGNOSTICS

8.1

INTRODUCTION

Field acceptance testing is intended to demonstrate performance of the RP05/RP06 Disk Drive
and/or the RHP05/RHPO06 subsystem to the customer prior to his acceptance.

8.2

ERROR DEFINITIONS/RATES

The RP05/RP06 contains three registers to display the various error conditions possible. Error register
1 (RHER 1) indicates the operational error related to command and control; error register 2 and 3
(RHER 2, RHER 3) indicate drive error conditions. Two bits of RHER 3 (SKI and OCYL) indicate
seek errors and are used to calculate the seek error rate (Paragraph 8.2.3). Six bits of RHER 1 (OPS,
DTE, DCK, HCRC, HCE, and ECH) indicate data errors; the remaining bits of RHER 1 indicate
command and control errors. Table 6-1 lists indications of the various error types and their
explanations.

If all ECOs are installed, MAINDEC-10-DDRPJ and MAINDEC-10-DDRPK should run with no
errors detected. Error definitions for MAINDEC-10-DDRPI are listed in the following paragraphs.
8.2.1

Soft Errors

8.2.2

Hard Errors

8.2.3

Seek Errors

Any error recoverable by the retry sequence (including retry, offset, and ECC) constitutes a soft error.
|

Any error not recoverable the retry sequence constitutes a hard error. No hard errors are permitted.

Seek errors include SKI, OCYL, or HCE (header compare errors) where the printout shows that the
drive is on the wrong cylinder. HCE logic faults and miscompares of sector and track are not seek
errors. The allowable error rate for seek errors is 1 error per 10° seeks.
8.2.4

Pack-Attributable Errors

Pack-attributable errors include any errors (DCK, ECH, OPI, DTE, etc.) that occur on the same
cylinder and head (track) more than once, even through they may not occur every time. A record of the
pack location of every error should be kept so that pack errors can be identified, as they may occur on
a certain area as rarely as one time in ten. The pack specification allows a total of 20 pack errors
maximum, no more that 5 of which may be hard pack errors.
8.2.5

Read Errors

Errors such as DCK, DCK/ECH, DTE, HCRC, or HCE where one or more bits are picked or
dropped in the header field on the correct cylinder constitute read errors. The allowable error rate for
read errors in 1 per 10° bits read, not counting pack errors.

8-1

8.3 RHPO05/RHP06 ACCEPTANCE TESTING
The RHPO5/RHPO06 Field Acceptance Test is designed to demonstrate the performance of the
RPO5/RP06 Disk Drive when used with an RH10 controller.

Run MAINDEC-10-DDRHA for one pass (controller diagnostic).

Run one pass of:
MAINDEC-10-DDRPJ for RP0S on each port
MAINDEC-10-DDRPK for RP06 on each port.

Run one pass of MAINDEC-10-DDRPI, selecting “ACCEPT.” (All drives may be selected
at once.)

8.4

For dual-port systems, also run the special dual-port tests in MAINDEC-11-DDRPJ and DDRPK according to the instructions in the diagnostic. A special test cable (7010507-02) is
required.

DIAGNOSTIC DESCRIPTIONS

For complete descriptions of specific diagnostics, refer to the diagnostics themselves.
MAINDEC-10-DDRHA Deviceless Diagnostic

This program exercises the major portion of RH10 logic; no Massbus device necessarily has to be
connected to the system. The I/O bus and DF10/DF10C channel bus paths are thoroughly exercised.
MAINDEC-10-DDRPJ (RP05); MAINDEC-10-DDRPK (RP06)

This program is a gate-by-gate check of the DCL, and attempts to exercise all of the disk logic functionally. It provides module callout capability upon error. When run, this diagnostic verifies the Massbus cables, drive, and DCL subsystems.

It starts with simple control bus transfers, moves on to seek exercising, and finally checks the data
path. A loop-on-error capability is provided. A separate switch-selectable feature allows testing of

dual-port systems. The head-alignment program is also included.
MAINDEC-10-DDRPI Reliability Diagnostic

This is a reliability diagnostic for an RHP05/RHP06 system consisting of any number of controllers
with up to eight drives of either type, mixed. Basic and complex seek patterns and data transfers are
executed. This program can be used to format or read packs, check the mechanical timing, establish
the read error reliability, etc. It may also be run under time-sharing.

8-2

CHAPTER 9

INSTALLING THE RP05/RP06
INTO AN RTPOS/RTP06 SUBSYSTEM

9.1

INTRODUCTION
—=
When one or more RP05/RP06 Disk Driveis combined with an'RH20 controller, the combinationis
designated as an RTP05/RTPO06 subsystem. Refer to the RH20 Unit Description (EK-RH20-UD-001)
for details on the controller and a description of the Massbus. Refer to drawing D-FD-RH20-0-INST
for DATAO and CONO/CONI formats in the RH20.

RPO05/RP06 Massbus commands are as follows.
Octal Code

Command

01
03
05
07
11
13

NoOp
Unload
Seek
Recalibrate
Drive Clear
Release
Offset
Return to Centerline
Read-in Preset
Pack Acknowledge
Search
Write Data
Write Header and Data
Read Data
Read Header and Data

15
17
21
23
31
61
63
71
73

Figure 9-1 is an interconnection diagram for the RTP05/RTPO06 subsystem,
9.2
ELECTRICAL
Power cable connections and Massbus cable connections are described in the following paragraphs.

9.2.1

Power Cable Connections

9.2.1.1
RH20
- Powerin the RH20 comes from H744 power supplies mountedin the KL10 I/0 bay.
Drawing D-UA-KL10-0-0 describesin detail the dc wiring from the power supplies to the RH?20.

9-1

IMEMORY BUS
DF 10

DATA
CHANNEL
CHANNEL

BUS
(BC10-P)
CHANNEL
!
BUsS To *-1-

RH20

I/0 BUS
,
4-#1/0

A/KI IO
KCENTRAlL

BUS TO NEXT DEVICE

NEXT DEVICE

MASSBUS

CABLES

RP®4/5/6

(BC06-S)

RPO4/5/6
@&
UP TO 8

DEVICES

CP-2792

Figure 9-1

RH20/DF10/RP04/RP05/RP06 Interconnection Diagram

9.2.1.2 RP05/RP06 - Drives are plugged into a 3-phase power outlet through 4.6 m (15 ft) or less of
ac cable supplied with the drive. One drive may be power-daisy-chained to another, but a third drive
may not be added.
NOTE

)

When the drive is started, the pack should spin in a

counterclockwise direction. If it does not, the phases
must be reversed, or else the drive will not perform
properly.

9.2.2

Massbus Cable Connections

Round Massbus cable (BC06S) is used to connect the RH20 to the drive, and to connect the drives to
each other. Short cables (70-12066-00) 81.28 cm (32 in) long are used to connect the RP05/RP06 drives
together. Skins must be removed from the drives before these cables can be used.

The last drive in the system must be terminated by a termination block (7009938) for the Massbus to
operate correctly. Jumper W2 of the C terminator board must be the only jumper cut, as this enables
Massfail.
NOTE

The terminator does not require power to work; thus,
the last drive on the chain may be powered down.

Any mixture of RP04, RP0S, and RP06 drives may be supported on the system provided that the
proper software is run. Also, any drive may be dual-ported to the RH11 front end. This 1S accomplished via the same BC06 cables and another termination block. For software purposes, this drive
should be logical zero.

NOTE

Unused ports do not require terminators.

If there are RH20s present without any drives connected to them, a terminator should be put on the
RH20 plug to avoid spurious problems.

9-2

CHAPTER 10

RTPO05/RTP06 FIELD ACCEPTANCE
PROCEDURES AND DIAGNOSTICS

10.1

INTRODUCTION

Field acceptance testing is intended to demonstrate performance of the RP0O5/RP06 Disk Drive
and/or the RTP05/RTP06 subsystem to the customer prior to his acceptance.
10.2

ERROR DEFINITIONS/RATES

The RP05/RP06 contains three registers to display the various error conditions possible. Error register
1 (RHER 1) indicates the operational error related to command and control; error registers 2 and 3
(RHER 2, RHER 3) indicate drive error conditions. Two bits of RHER 3 (SKI and OCYL) indicate
seek errors and are used to calculate the seek error rate (Paragraph 10.2.3). Six bits of RHER 1 (OPS,
DTE, DCK, HCRC, HCE, and ECH) indicate data errors; the remaining bits of RHER 1 indicate
command and control errors. Table 6-1 lists indications of the various error types and their
explanations.

If all ECOs are installed, MAINDEC-10-DFRPJ and MAINDEC-10-DFRPK should run with no
errors detected. Error definitions for MAINDEC-10-DDRPI are listed in the following paragraphs.
10.2.1 Soft Errors
Any error recoverable by the retry sequence (including retry, offset, and ECC) constitutes a soft error.
10.2.2

Hard Errors

Any error not recoverable by the retry sequence constitutes a hard error. No hard errors are permitted.
10.2.3 Seek Errors
|
Seek errors include SKI, OCYL, or HCE (head compare errors) where the printout shows that the
drive is on the wrong cylinder. HCE logic faults and miscompares of sector and track are not seek
errors. The allowable error rate for seek errors is 1 error per 10¢ seeks.
10.2.4 Pack-Attributable Errors
Pack-attributable errors include any errors (DCK, ECH, OPI, DTE, etc.) that occur on the same
cylinder and head (track) more than once, even though they may not occur every time. A record of the
pack location of every error should be kept so that pack errors can be identified, as they may occur on
a certain area as rarely as one time in ten. The pack specification allows a total of 20 pack errors
maximum, no more than five of which may be hard pack errors.
10.2.5 Read Errors
|
Errors such as DCK, DCK/ECH, DTE, HCRC, or HCE where one or more bits are picked up or
dropped in the header field on the correct cylinder constitute read errors. The allowable error rate for
read errors in 1 per 10° bits read, not counting pack errors.

10-1

10.3 RTPO05/RTP06 ACCEPTANCE TESTING
The RTPOS/RTP06 Field Acceptance Test is designed to demonstrate the performance of the
RP05/RP06 Disk Drive when used with an RH20 controller.

Run any applicable CPU and/or memory diagnostics.

Run one pass of MAINDEC-10-DFSXA, System Exerciser, to verify interaction between
disk drive, controller, channel, and memory.

Run MAINDEC-10-DFRHB for one pass with no errors (controller diagnostic).

Run one pass of:

MAINDEC-10-DFRPJ for RP0S on each port
MAINDEC-10-DFRPK for RP06 on each port.

Run one pass of MAINDEC-10-DDRPI, selecting “ACCEPT.” (All drives may be selected
at once.)

For dual-port systems, also run the special dual-port tests in MAINDEC-11-DFRPJ and DFRPK according to the instructions in the diagnostic. A special test cable (7010507-02) is
required.

10.4

DIAGNOSTIC DESCRIPTIONS

For complete descriptions of specific diagnostics, refer to the diagnostics themselves.
MAINDEC-10-DFRHB

This is an RH20 controller diagnostic that checks the 3-board RH20 option as it interacts with the
channel. It allows for testing of the Massbus data'and control buses through a hardware wrap feature.
A terminator must be used either on the end drive or on the RH20 plug itself if no drives are cabled to
it. If drives are on the system, select a drive number not on the system, so that only the RH20 is tested.
MAINDEC-10-DFRPJ (RP05); MAINDEC-10-DFRPK (RP06)

It starts with simple control bus transfers, moves on to seek exercising, and finally checks the data

path. A loop-on-error capability is provided. A separate switch-selectable feature allows testing of

dual-port systems. The head alignment program is also included.
MAINDEC-10-DDRPI

This is a reliability diagnostic for an RTP05/RTP06 system consisting of any number of controllers
with up to eight drives of either type, mixed. Basic and complex seek patterns and data transfers are
executed. This program can be used to format or read packs, check the mechanical timing, establish
the read error reliability, etc. It may also be run under time-sharing.

10-2

CHAPTER 11
INSTALLING THE RP05/RP06

INTO AN RWPO05/RWP06 SUBSYSTEM

11.1
INTRODUCTION
When one or more RPOS is combined with one or more RH70 controller, the combination is designated as an RWPO0S subsystem. When one or more RP06 is combined with one or more RH70 controller, the combination is designated as an RWPO06 subsystem. More complete details regarding this
type of installation can be found in the RWP05/RW P06 Moving Head Disk Subsystem Maintenance
Manual (EK-RWP05-MM-001) and the RP05/R P06 Device Control Logic Maintenance Manual (EK
RP056-MM-001).
11.2 ELECTRICAL
Power cable connections, Unibus cable connections, and Massbus cable connections are described in
the following paragraphs.
11.2.1
Power Cable Connections
The PDP-11/70 CPU mounting box contains a wired backplane that runs the full depth of the box.
The Unibus signals are prewired on the backplane. Power to the RH70 is provided by the cabinet
power supply as follows.
+5V £ 185 A max -15V £ 0.5 A max
11.2.2 Module Locations
|
The PDP-11/70 CPU mounting box contains the floating point unit, central processor, memory management, Unibus map, cache, five small peripheral controller (SPC) slots, the KW11-L line frequency
clock, and up to four RH70 controllers. Figure 11-1 shows the location of the respective modules.
Ensure that all modules are firmly seated in the proper slots when installing the device.

11.2.3 Massbus Cable Connections
Massbus connections to the RH70 are made via three 40-conductor ribbon cables. These cables plug
into three M5904 transceivers in the RH70, and are designated Massbus Cable A, Massbus Cable B,
and Massbus Cable C. These cables should be inserted into the modules with the edge marking facing
the module handles. The other ends of these cables mate to the input/output connector block assembly
on the connector panel with the edge marking facing up. The connections are made as indicated in
Figure 11-2.
To terminate the Massbus, a 7009938 terminator pack assembly should be plugged into the output
connector(s) of the last RP05/RP06 drive attached to the Massbus.
11.3 JUMPER CONFIGURATIONS
The following paragraphs describe the various jumper configurations on the BCT and MDP modules.

OOwkhk vv=~~LLM00000~—OSSI0Inwn=m=0eO<OOO««O==100
_-<0Osk--w=vOOOoh«Vmmk o»wa —=NMN0DOM0=S==~0S0~0SS= gowmgmnwmw0nnvow0m=nNm=0= oo<oOoooO«««10n==O=mn1120=00
waoO

Owmwa
43

Figure 11-1
42
41

11-2

38
37

CNTLR

Module Utilization Chart

MASSBUS

N
. N

35
34
33

CNTLR

MASSBUS

32
31

30
29

CNTLR

MASSBUS

AY4
~

27
26
25

Owa

MAP

24
23
22

CACHE

MEM. MAN.

CPU

21
10

MMM

MDA

A | X

L Q

MASSBUS

|OaSsdqd—2F Laesd<—2kF

SPC'S

0-~ o

aa00 =s O100O 0~—=0 =0
aa0S<0 OOD—0 =00=

=S« NO=0= 0wnwm= o SO

o-«0SO wa =0NM0~=0S omnw0nwmS= -2Do=OnDo«OoW=02«00
~

FPU

04
03
02
N

CNTLR

N-2942

RH70

[CAST
DRIVE
ON_MASSBUS

DISK DRIVE

M5904 | %

3% | M3903 |

SLOT

AB25

M5904
SLOT

~—

ABO1

M5903
SLOT

AB26

SLOT

[M3903 | 5

SLOT

ABO1

M5903
SLOT

ABO?2

ABO1

TERMINATOR
PACK ASSY
MS904

M5903

SLOT
AB27

SLOT
ABO3

—{

MS903

(70099238)

SLOT
AB O1

MASSBUS
CABLE

CONNECTORS

NOTES:

% Fla! massbus cable (3) internal to RP05/06 cabinet
and to cabinet containing RH70
¥ Round massbus cable external

to cabinets.

1. Last drive termingted with 7009938
terminator pack assy.

CONTROLLER

CONTROLLER
D

MASSBUS CABLE A

AB 25

AB 29

AB 33

AB 37

MASSBUS CABLE B

AB 26

AB 30

AB 34

AB 38

MASSBUS CABLE C

AB 27

AB 31

AB 35

AB 39

11-3824

Figure 11-2

Massbus Cable System Configuration

11.3.1

BCT Module (M 8153)

The BCT module contains jumpers for register selection, BR level interrupt, and vector address.
11.3.1.1 Register Selection - The RH70 is capable of responding to 32 possible Unibus addresses,
with the exact number dependent of the Massbus device. Jumpers W8-W
15 select the block of Unibus
addresses to which the RWP05/RWP06 subsystem will respond. The standard addressing block
assigned is 776700-776752. For the RWP05/RWPO06 subsystem, the following jumper configuration
should be used. (Refer to D-CS-M8153-0-1, sheet 2 of 6.)
Jumper In = Binary 0

Address Bit

Jumper

Jumper In/Jumper Out

12
11
10

W14
W10
W9

OUT
IN
OUT

8
7
6
5

Wil
W13
W15
W12

IN
IN
IN
OuUT

W38

ADDR

BIT

L1111,
0

10000
1 XX XXX

4to7

Oto7

The jumpers in E41 (D-CS-M8153-0-1, sheet 2 of 6) are selected for the appropriate number of registers in the subsystem minus 2. For example, there are 22 registers in the RWP05/RWPO06 subsystem, so
the jumpers are selected for a weighted value of 22 - 2, or 20, as shown below.
Jumper In = Binary q

11.3.1.2

Slot

Jumper

Jumper In/Jumper Out

E41

1-16
2-15
3-14
4-13
5-12 (2)

OUT
OUT
IN
IN
IN

[ 6-11(4) 1
!e 7-10(8)
= - -J
e e

OuUT
IN

8-9 (16)

OUT

BR Level Interrupt - The priority jumper plug for the RH70 is normally set for the BRS5 level.

This plug is located in E022 (refer to D-CS-M8153-0-1, sheet 4 of 6).

11-4

11.3.1.3 Vector Address Jumpers - The interrupt vector transferred to the processor is jumper-selectable via jumpers W1-W7, representing vector bits 2-8. The RWP05/RWP06 subsystem has been
assigned a vector address of 000254. The jumper configuration for this address is shown below.
Jumper In = Binary 1
Vector Bits

Jumper

V2
V3
V4
V5
V6

W7
W3
W6
w2
W5
Wi
W4

\'Z/
V8

V8
0
|

Jumper In/Jumper Out

V7
1
Y
2

Vé6
0

—’

\A
0
|

V4
0
Y~
5

IN
IN
OuUT
IN
OUT
IN
OouT

V3
0

—

V2
1
|

VI
0
Y
45

VO
0

—

11.3.2 MDP Module (M8150)
The MDP module contains jumpers that allow maintenance personnel to disconnect wired-OR corrections from the Exclusive-OR network used to detect write-check errors.
These jumpers are designated W1-W4, and are shown on D-CS-M8150-0-1, sheet 6 of 9. The jumpers
provide maintenance personnel with a method of isolating a faulty output (stuck low) of the wired-OR
bus to one of four integrated circuit (IC) chips, which perform the exclusive-OR function during writecheck operations. For example, if the output of the E21 and E23 open-collector line is stuck low when
scoping of inputs indicates that it should be high, the faulty IC (E21 or E23) can be ascertained by
removing jumpers W2 and W1. If, after the jumpers are removed, the outputs of the exclusive-OR

gates in E23 are still low, the E2 3 chip is probably defective. If E23 outputs are high, the E21 chip is
probably defective (outputs stuck low).

114 LIGHT-EMITTING DIODES (LEDs)
The following light-emitting diodes are incorporated into the RH70 Massbus controller logic BCT
module (Figure 11-3) on the M8153.

SSYN (Slave Sync) D-CS-M8153-0-1, sheet 3 of 6
TRA (Transfer) D-CS-M8153-0-1, sheet 3 of 6
BG IN (Bus Grant In) D-CS-M8153-0-1, sheet 4 of 6
SACK (Selection Acknowledged) D-CS-M8153-0-1, sheet 4 of 6
BBSY (Bus Busy) D-CS-M8153-0-1, sheet 4 of 6
These LEDs aid maintenance personnel in isolating certain system faults, as described in the following
paragraphs.
System Fault No. 1 - Unibus on PDP-11/70 s in ‘““hung” condition. (No operations can be performed
on Unibus.)

11-5

TOP OF MODULE

TRA

apapa

BG IN

SACK

LIGHT

BBSY

EMITTING

DIODES (LED'S)

SSYN

BCT MODULE(MB8153)
11-2940

Figure 11-3

LED Physical Locations

Diagnosis — This condition may be caused by:
1.
2.
3.

Stuck SACK
Stuck BBSY
Stuck SSYN.

The LED associated with the fault condition will be continuously illuminated. (LEDs may flicker
intermittently during normal operation.)

System Fault No. 2 - Unibus device interrupt sequence not functioning properly. (Processor continuously loops in service routine and fails to execute instructions.)

Diagnosis — This condition is caused by discontinuity of the Bus Grant signal on the Unibus from the
processor to the device interrupting, and may be caused by missing Grant continuity cards or defective
circuitry, which normally passes Grant signals from device to device. These will cause the BG IN LED
to become illuminated, indicating that the Unibus BG IN signal coming to the device is stuck high.

System Fault No. 3 - Processor attempts to read or write a remote register in the RWP05/RWP06
subsystem and receives an address error indication on the console (CPU traps to location 4).

Diagnosis — This condition may be caused by a stuck TRA signal on the Massbus that prevents the
SSYN response from the RH70. This condition can be determined if local registers in the RH70 can be
successfully accessed. If no register responds, the address jumpers may be selected improperly.
11-6

CHAPTER 12

RWP05/RWP06 FIELD ACCEPTANCE
PROCEDURES AND DIAGNOSTICS

12.1 INTRODUCTION
Field acceptance testing is intended to demonstrate performance of the RP0O5S/RP06 Disk Drive
and/or the RWP0OS5/RWPO06 subsystem to the customer prior to his acceptance.
12.2 ERROR DEFINITIONS/RATES
The RP05/RPO06 contains three registers to display the various error conditions possible. Error register
1 (RHER 1) indicates the operational error related to command and control; error registers 2 and 3
(RHER 2, RHER 3) indicate drive error conditions. Two bits of RHER 3 (SKI and OCYL) indicate
seek errors and are used to calculate the seek error rate (Paragraph 12.2.4). Four bits of RHER 1
(HCRC, HCE, ECH, and DCK, which may include DTE and FER) indicate data errors; the remaining bits of RHER 1 indicate command and control errors. Table 12-1 lists indications of the various
error types and their explanations.
12.2.1

Hard Errors

Any failure to read data correctly after a complete recovery sequence with ECC enabled constitutes an
irrecoverable, or hard, error. (A complete recovery sequence consists of 28 retries, 16 at the nominal
head position, and 2 each at selected offsets; 10.1 um, 20.3 um, and 34.8 um (400, 800, and 1200
microinches) for the RP0S, and 5 um, 10.2 um, and 15.2 um (200, 400, and 600 microinches) for the
RPO06. (The first release of the DIGITAL PDP-11 operating system does not include offset capability.)
Errors that are not ECC-correctable include bursts greater than 11 bits in length and isolated dropped
bits (separated by more than 11 bits) within a sector. The allowable error rate for hard errors is one
error per 10!2 bits read.

12.2.2

Soft Errors

Any failure to read data correctly on the first try that is then read successfully during a recovery
sequence constitutes a recoverable, or soft, error. (Refer to Paragraph 12.2.1 for definition of a complete recovery sequence.) The allowable error rate for soft errors in one error per 10° bits read.
12.2.3

Pack-Attributable Errors

randomly distributed errors, and do not take into account errors that are pack-attributable. Imperfections in the pack surface may be found by mapping the pack using the formatter program.

12-1

‘Table 12-1
Bit

Bit Set
Register

HCE
HCRC

RPO5/RP06 Error Conditions

Error Type

Explanation

RHER 1
RHER 1

Soft

Sector Count Field/Desired. Sector Compare fails due
to CRC failure.

HCRC

RHER 1

Soft

Sector Count Field matches desired sector field but
there is CRC error.

HCRC
FER

RHER 1
RHER 1

Soft

Format bit in first header word incorrect.
NOTE
FER without HCRC during an operation
that reads the header indicates wrong format pack mounted.

DCK

RHER 1

Soft

Error detected during read operation by examination of
ECC bytes; correctable by retry sequence.

DCK
ECH

RHER 1
RHER 1

Hard

Error detected which is ECC uncorrectable through 28
retry sequence (16 retries at nominal head position and
12 with head offset).

SK1

RHER 3

Seek

Seek operation fails to complete within 85 ms of
initiation.

Recalibration operation fails to complete within
500 ms of initiation.

Offset or return-to-centerline operation fail to
complete within 10 ms of initiation.

SKI1
OCYL

RHER 3
RHER 3

Seek

Positioner has drifted off cylinder subsequent to completion of positioning operation.

HCE

RHER 1

Seek

Sector Count Field (RHLA) does not match Desired
Sector Field (RHDST) and there is not a CRC error.
This error is not caused by a positioner failure: It is due
to a DCL failure. Therefore, HCE alone indicates an
RP0S5/RPO06 seek error and not a 677-51 or 677-01 drive
seek failure.

12-2

12.2.4

Seek Errors

Any positioning operation that is not completed within a specified time (85 ms for Seek commands,
500 ms for Recalibrate commands, and 10 ms for Offset and Return to Centerline commands), or that
terminates with the positioner in an incorrect location, constitutes a seek error. The allowable error
rate for seek errors is one error per 106 seek operations.
12.3

RWP05/RWP06 FIELD ACCEPTANCE TEST

124

DIAGNOSTIC MAINTENANCE

The tests described in Paragraph 12.4 may be used, individually or in combination, to demonstrate the
performance of the RP05/RP06 Disk Drive when used with an RH70 controller.
The diagnostic programs described herein are employed with the RWP04/RWP05/RWP06 subsystem. Refer to the applicable diagnostic operating procedures for more detailed information.
Test Programs

MAINDEC-11-DERHA

RH70 Controller Test

MAINDEC-11-DZRJA

Mechanical Read/Write Test

MAINDEC-11-DZRIJE

Dual-Port Logic Test, Part 1

MAINDEC-11-DZRJF

Dual-Port Logic Test, Part 2

MAINDEC-11-DZRJG

RP04/RP05/RP06 Diskless Controller Test
(Static I, Part I)

MAINDEC-11-DZRJH

RP04/RP05/RP06 Diskless Controller Test
(Static I, Part II)

MAINDEC-11-DZRIJI

RP04/RP0S5/RP06 Functional Controller Test
(Static II, Part I)

MAINDEC-11-DZRJJ

RP04/RP05/RP06 Functional Controller Test
(Static II, Part II)

System Exerciser Program

MAINDEC-11-DZRJD

Multidrive Exerciser

Utility Programs
MAINDEC-11-DZRJB

Formatter Program

MAINDEC-11-DZRIJC

Head Alignment Verification Program

12-3

12.4.1
MAINDEC-11-DERHA - RH70 Controller Test
This diagnostic verifies that the RH70 controller is operating correctly. The diagnostic can test up to
four RH70 controllers simultaneously; however, an operating Massbus peripheral must be connected
to each RH70 controller. The major tests in the diagnostic are:

Determining whether all registers in the controller can be read from or written into

Checking error conditions in the controller by causing an error and observing the results on
the associated error bit in the CS1, CS2, or CS3 registers

Checking that the data buffer can accurately store and transfer data.

12.4.2

MAINDEC-11-DZRJG, MAINDEC-11-DZRJH - RP04/RP05/RP06 Diskless Controller

Test

This program tests the RH70 and the DCL portion of the RP04/RP05/RP06 Disk Drive. The DCL
makes the drive compatible with the Massbus, and must be plugged into the MDLI or appropriately
terminated. (The MDLI is the mass device level interface that connects the DCL to the drive assembly.) The program does not use the disk surface or any signals from the MDLI.

12.4.3

MAINDEC-11-DZRJI, MAINDEC-11-DZRJJ - RP04/RP05/RP06 Functional Controller

Test

This diagnostic tests the DCL portion of the drive. It exercises the disk surface and the mechanics of
the drive to prove proper operation of the subsystem. To run the diagnostic, a disk pack with no vital
information written on it is essential. The disk pack need not be formatted.

After a successful run of this diagnostic (with no errors), it can be concluded that the DCL circuitry in
the RP04/RP05/RP06 works successfully while not connected to the rest of the subsystem. System
interaction and drive timing are left to other diagnostics. (This diagnostic presupposes that MAINDEC-11-DZRJG and MAINDEC-11-DZRJH have been run successfully.)
12.4.4

MAINDEC-11-DZRJA - Mechanical Read/Write Test

This program contains 15 tests, numbered 0-165. Tests 0-6 use a Read Header and Data command to
read the cylinder, track, and sector information from the header. The tests then check the information
for validity, ensuring that the seek operation functions properly. Tests 7-12 measure the rotational
speed, the one-cylinder seek, the average seek, and the maximum seek times to ensure that they are all
within the specified tolerances. Tests 13 and 14 ensure that the sector and track addressing circuitry is
working properly. Test 15 ensures that the data storage and retrieval capabilities are operative. Test 16
is used to stress and check the read/write and servo systems.

The program starts by identifying itself and determining that all drives are available for testing. All
drives are then tested, beginning with the lowest numerical drive and proceeding in sequential order.
One pass (tests 0-15) is performed on each drive before moving to the next drive in seequence. The
number of the drive to be tested is typed at the beginning of each pass. At the completion of each pass,
an end-of-pass message is typed. After all drives have been tested, an end-of-test message is typed.
12.4.5 MAINDEC-11-DZRJE, MAINDEC-11-DZRJF - Dual-Port Logic Test (Parts 1 and 2)
This program checks the dual-port logic in the DCL portion of the drive; it requires a special adapter
cable.

12-4

12.4.6

MAINDEC-11-DZRJD - Multidrive Exerciser

The RP04/RP05/RP06 Multidrive Exerciser program exercises from one to eight drives attached to
the same RH70. If two or more of the drives are being exercised, operations on the drives are overlapped. (One drive performs a data transfer or write-check operation while others are performing
seek /search operations.) Optimization makes it possible to maintain a high subsystem data transfer
rate or a high positioning operation rate.

The performance of each drive is monitored by the program. If a drive exceeds a preset number of
errors in any of several categories, that drive is automatically deassigned. (The operator may override
the automatic deassignment feature.) The program reports performance statistics for each drive being
exercised on request from the operator, or automatically at an interval determined by the operator.
All data transfer commands are used (i.e., Write Data, Write Header and Data, Read Data, and Read
Header and Data), as well as Write-Check Data and Write-Check Header and Data commands.
Recalibrate and Read-In Preset commands are used at startup and drive initialization. Recalibrate,
Offset, and Return to Centerline commands are used during error processing.
Program/operator communications are through the console device; program options are selected by
Switch register settings and errors are normally reported on the teletypewriter. However, if a lineprinter is available, the program will use the printer for error message display.

All commands, data patterns, and data buffer sizes are selected randomly by the program. The
addresses (e.g., cylinder, track, and sector) for each operation are also selected randomly.
At the completion of each operation, the program checks the RH70. The program requires data packs
created by the Formatter program (MAINDEC-11-DERPL), the Read/Write Mechanical Test
(MAINDEC-11-DERPK), or the Data Pack Generation command of the Exerciser program.
12.4.7

MAINDEC-11-DZRJB - Formatter Program

The RP05/RP06 Formatter program is designed to write and verify header and data information on
all possible disk pack addresses with the intention of testing the retention of the recording surfaces.
The format is maintained on a basis of 411 cylinders, 19 tracks per cylinder, and 22 sectors per track.

This program formats the disk pack on the assigned drive, one track at a time. The data fields are
written with the selected pattern. Key words are written with 0s. Each track is verified with a WriteCheck command immediately after it is written.

The portion of the pack to be formatted is determined by the first and last cylinder and track addresses, inclusively. A single track is the smallest element that may be formatted.
Write-check errors are reported when they are detected. If an error is detected, the sector must be
rewritten and verified correctly two successive times to be considered usable. Sectors that cannot be
written correctly twice after an error will be declared unacceptable by the program.

After the last track has been formatted and verified, an additional check is performed. The header of
track 0 and sector O of each cylinder is read and compared by the software. This check is performed to
isolate a possible positioner error that may have occurred during the format operation. Two such cases
of positioner malfunction are: failure of the positioner to advance to the next cylinder, and advancement of the positioner past the desired cylinder.

12-5

12.4.8 MAINDEC-11-DZRJC - Head Alignment Verification Program
This program checks head alignment at cylinder 245, heads 0-18, and at cylinders 400 and 4, heads 0
and 18, and also reverifies alignment of cylinder 245, heads 0-18. The operator is notified if any head is
out of alignment by more than the specified amount.

p——

The procedure for checking head alignment is as follows.
Offset the positioner to +30 um (41200 microinches).

Store the sign change bit.

Move the positioner in the opposite direction in 0.64-um (25-microinch) increments until the
sign change bit changes value. Store the offset value.

Offset the positioner to -30 um (-1200 microniches) and repeat steps 2 and 3.

Average the two sign change offset values and report if the selected head is misaligned by
more than +3.9 um (£150 microinches) for cylinder 245 or by more than +9 um (£350
microinches) for cylinders 4 and 400.

Repeat the above sequence for all heads at cylinder 245, and for heads 0 and 18 at cylinders 4 and 400.

12-6

CHAPTER 13
OPTIONS

13.1

INTRODUCTION

The following paragraphs describe some of the ways in which the RP05/RP06 Disk Drive can be
optionally configured.
13.2

DUAL-PORT OPERATION

The RP05/RP06 interface logic is designed to permit access by two different controllers, with the
setting of the CONTROL switch on the drive front panel determining which controller is to be granted
access. When the switch is set to the center position (A/B), the drive may be accessed by either controller, and will be controlled by that controller until its operation is completed.
13.2.1

Converting to Dual-Port

Converting an RP05/RP06 Disk Drive to dual-port operation takes approximately 2.5 manhours and
requires only an 8.7 mm (11/32-inch) open or box wrench and a 2.4-mm (3/32-inch) hex (Allen)
wrench. In order for the dual-port option to be operable, the M7775 (dual-port) board must be at Etch
Rev. C or higher and CS Rev. D or higher.
13.2.2

Conversion Procedure

To convert the RP05/RP06 Disk Drive from single-port to dual-port operation, proceed as follows.

With power OFF, move the drive (if necessary) so that the side cover of the DCL is
accessible.

Remove the side cover, revealing a metal plate.

Remove the six screws holding the metal plate, and remove the plate.

Remove the rear cover of the DCL.

Loosen the two fastener screws at the top of the DCL assembly (Figure 13-1). Pivot the card
nest down to the horizontal position (Figure 13-2).

Loosen the two fastener screws (Figure 13-3) that are holding the air flow cover closed. Lift
the air cover to the vertical position (Figure 13-4).

Remove the three cable clamps (two on the left-hand side, one at the bottom inside the
frame).

Lay the new harness (Port B) in position over the existing harness (Port A), with the redlined edge of the cabling up along the side of the card nest. Pull the new harness until the top
cable connector is flush with the front of the card nest (Figure 13-2).

13-1

DRIVE ASSEMBLY

ASSEMBLY

FASTENER

SCREWS

CARD NEST

AND CABLE
ASSEMBLY

AARAKRRRR KA

gaanmnnnne

AAARARRAN A T IAASAIARAA D

7777-1

Figure 13-1

Drive and DCL Assemblies Rear View, Rear Panels Removed
13-2

CARD NEST STOPS

——ENCLOSURE WELDMENT

Wfl

CARD NEST ASSEMBLY

CABLE _—
CLAMPS

FRONT OF
CARD NEST

TOP CABLE

RIBBED SIDE
OF CABLE

CP-2798

Figure 13-2

Card Nest in Horizontal Position

13-3

FASTENER

SCREWS

AIR FLOW
COVER

CARD NEST
AND CABLE

ASSEMBLY

7777-5

Figure 13-3

DCL Rear View, Card Nest and Cable Assembly Extended

13-4

DRIVE (MDLI)
INTERFACE PCB

HEX PCBS

CONTROLLER A

INTERFACE PCBs

DRIVE (MDLI)
INTERFACE PCB

CONTROLLERB
INTERFACE PCBs

LoGic BorIS

fa R

7777-4

Figure 13-4

Card Nest and Cable Assembly PCB Layout

13-5

Twist the Port B harness the way the Port A harness is twisted, so that the Port B harness is
above the Port A harness after the twist.
10.

Replace the three cable clamps temporarily to support the Port B harness while proceeding
with subsequent steps.

11.

Attach the two cables closest to the side of the card nest to an M5903 Drlver/ Receiver

l}
-—'."u';

module as shownin Figure 13-5; this will be Module C of Port B.

.5 3

12.

Attach the two cables in the middle of the Port B cable group to another M5903 Driver/Receiver module as shown in Figure 13-6; this will be Module B of Port B. s.svz,

13.

Attach the two outside cables to another
ule A of Port B.
-1

14.

Plug the M5903 modules into the card nest as shownin Figure 13- 8 with Module A in Slot
1, Module B in Slot 2, and Module C in slot 3.

15.

Run the other end of the Port B cables out through the top two Massbus connector holes,
which should be empty.

16.

Connect the cables to Massbus connectors, as follows:
B Input

Cable A
Cable B
Cable C

M 5903 as shown in Figure 13-7; this will be Mod-

B Output

Top
Middle
Bottom

Cable C
Cable B
Cable A

The red-lined edge should be up with respect to the retainer spring.
17.

Install the two Massbus connectors into the appropriate holes, using four hex screws on

each; check the reverse side of the connector to ensure that no pins popped out when the
cable was secured.
18.

19.

Tighten all three of the cable clamps, taking care not to pinch the cable edges.

Return the air flow cover to the horizontal position; remove the black-tape-that covers the
Port B decal.

20.

Use the 76-cm (30-inch) Massbus cable to connect the drive with the succeeding one; if this is
the last drive on the string, use a terminator.

21.

22.

Remove the M7776 Error Correction Logic module; cut

Jumper WO.

Replace the M7776 module; when scoped, pin CU2 should now represent a logic 1 (+3 V),
necessary for dual-port operation.

23.

Fasten the air flow cover closed, using the two fastener screws (Figure 13-3).

24.

Close the card nest; fasten with two fastener screws (Figure 13-1).

25.

Replace the rear cover, metal plate, and side cover, and move the drive back into position.

13-6

INPUT

CONNECTOR

OUTPUT
CONNECTOR

RED TRACE
THIS EDGE TYPR

‘CABLE MARKING

)

THIS SIDE UP

PART No.
BCO6R-

CONTROLLER

| B |

/| CONTROLLER

18]

MODULE

ouT

NAA

y/NJ”\\,,/’N\fl/’V
CP-2794

Figure 13-5

Connecting Module C (M 5903)

13-7

INPUT
CONNECTOR

OUTPUT
CONNECTOR

RED TRACE
THIS EDGE TYP

"CABLE MARKING

‘CABLE MARKING

fi1

THIS SIDE UP

PART No.

BCO6R-

0000000
BCOGR-

/ [CONTROLLER

MODULE

B |

| 8|

B |

| B |

(AN

ouT

M
CP-2795

Figure 13-6

Connecting Module B (M 5903)

13-8

INPUT
CONNECTOR

OuUTPUT
CONNECTOR

RED TRACE
THIS EDGE TYPR

‘CABLE MARKING

CABLE MARKING

THIS SIDE UP

PART No.

—

BCO6R-

’ |CONTROLLER

| 8 |

BCO6R-

/| CONTROLLER

| B

MODULE

Al ]

]

L/V\/\o\/\

CP-2796

Figure 13-7

Connecting Module A (M 5903)

13-9

MODULE B

(SLOT NO. 2)

()

\;/

‘======§§‘\\W\ v

MODULE A

(SLOT NO. 1)

5903 XCVR

~—========\

DUAL PORT CARDS

SINGLE PORT CARDS

Figure 13-8

Module Locations of M5903S

13-10

9999999

13.3

UPGRADING THE RP0S TO AN RP06

13.3.1

Introduction

Materials Required

RP06-U Upgrade Kit (kit includes RP06-P data pack)

1.
2.
3.

200-megabyte CE Pack (29-22193)
RPO05/06 Perch Tester

Reference Material
1.
2.
3.
4.

RP0O5/06 Maintenance Manual (ER-00012)
RP0O5/06 Logic Manual (EK-RPOSM-TM-V02)
RP05/06 DCL Maintenance Manual (EK-RP054-MM-001)
RP05/06 IPB Manual (ER-00011)

Estimated Time to Install - 8 hours
13.3.2

Mechanical Conversion
1.

Remove absolute filter by removing hose clamp under shroud per Paragraph 4.1.2.0.

Remove the spindle ground from the spindle by removing two mounting screws and one
washer spacer from deck plate. (See Figure 6, sheet 3 in the RP05/06 IPB Manual.)

Remove glass door by first removing door bumpers/anti-lift (2X) from glass door tracks,
then slide glass door forward out of drive. (See Figure 2 in the RP05/06 IPB Manual.)

Remove shroud cover by removing the four screws attaching the shroud cover to the glass
door tracks (logic gate to be pushed forward to remove two screws at the rear of shroud
cover).
CAUTION
When removing or installing shroud, take special
care not to damage the pack sensor and the pack
sensor seal.

Remove the shroud by removing six screws. First, remove the two screws located behind
shroud air baffle, then remove the four screws at bottom of shroud which attach the shroud
to the deck plate. (See Figure 6, sheet 1 in the RP05/06 IPB Manual.)
Remove the 100-megabyte spindle lock shaft from the spindle by removing the three allen
screws, the holding plate, and the conical spring. Then, with one hand prepared to catch the
falling lock shaft, carefully tap the top of the lock shaft to release it from the spindle. (See
Figure 6, sheet 3 in the RP05/06 IPB Manual.)
Place all brass shims removed with the 100-megabyte lock shaft on the 200-megabyte lock

shaft prior to installation into the spindle (three shims maximum). Lightly coat lock shaft Oring with Andoc CTM or equivalent. Wipe all excessive oil from lock shaft.

TMAndoc C is a trademark of the Esso Oil Company.

13-11

Install the 200-megabyte lock shaft (Memorex Part No. 215013) by inserting it through the
bottom of the spindle. Reinstall the conical spring, holding plate, and the three allen screws
removed in step 6.

Head conversion: Remove all 100-megabyte heads (all hardware will be re-used).
10.

Remove the 1000-megabyte head load cams (2X) (black) from cam towers by removing four
screws in each cam.

11.

Install the 200-megabyte head load cams (2X) (white, Memorex Part No. 215087), using
screws removed in step 10. (See Figure 6, sheet 1 in the RP05/06 IPB Manual.

12.

Install the shroud, by first engaging the shroud to the locating pin in the cam tower, using
screws removed in step 5.

13.

Install shroud cover, using screws removed in step 4. (Inspect shroud cover seal for damage.
If damage is present, replace shroud cover.)

14.

Install the glass door and door bumper anti-lift (2X), using screws removed in step 3.

15.

Install the spindle ground, spacer washer, and screws removed in step 2.

16.

Install absolute filter removed in step 1.

17.

Logo replacement: Raise indicator panel, remove lamp matrix PCB, then remove the five
nuts retaining the trim strip to the indicator panel. Then, remove the logo/dead front by
sliding the logo/dead front free of the indicator panel; replace with logo/dead front (Memorex Part No. 215745), in reverse of removal procedure. (See Figure 3 in the RP05/06 IPB
Manual.)

13.3.3

Head Conversion
CAUTION

Strict adherence to the technical manual is mandatory when installing heads. Improper installation of
heads may cause catastrophic head-to-disk
interference.

Install all 200-megabyte heads, using head installation tool (Memorex Part No. 210105).
Using torque tool (Memorex Part No. 210109), torque data heads to initial torque values.
Torque servo head to final torque. (Refer to Paragraph 4.6.2 in the RP05/06 Maintenance
Manual.)

Data Heads Torque

Initial torque:
Final torque:

2.5 £ 0.5 in-lb
6.0 £ 1 in-1b

Servo head torque: 6 £ 1 in-lb

Observing from the shroud, inspect all heads to ensure they are positioned properly on head
load cams.

13-12

13.3.4
l.

Electrical Conversion

Replace the 100-megabyte VSER PCB (location D14) with 200-megabyte VSER PCB
(Memorex Part No. 012476).

Replace the 100-megabyte PSER PCB (location D15) with the 200-megabyte PSER PCB
(Memorex Part No. 012481).
Replace the 100-megabyte WLOG PCB (location D17) with the 200-megabyte WLOG PCB
(Memorex Part No. 012746).
Rework the input PCB by removing the wire between pins 8 and 9 in location 1-C or location J1 on component side of PCB. Cut trace J1 if necessary.
Replace the 100-megabyte matrix PCBs (2X) located on cam tower with the 200-megabyte
matrix PCBs (2X) (Memorex Part No. 012491). Then, plug the head connector into the
matrix PCB.
In DCL, install jumper W3 on seek and search control logic M7786.

In DCL, reconfigure drive type number on error correction logic M7776 for one of the
following drive types.
Drive Type Number

13.3.5

(Octal)

Drive Type

020022
024022

RP06-A (single control)
RP06-B (dual control)

Test Procedure

Install double-density scratch pack, non-CE-pack.
Power drive up.

After drive disk pack has been rotating at 3600 rev/min for 5 minutes, carefully perform
hand launch of heads as a precaution to assure that all heads are installed and flying correctly. Then, perform first seek with the lap plug installed. (See Paragraphs 4.3.3.1 to
4.3.3.3)
CAUTION
During the hand launch of heads or during first seek
with lap installed, if there is any high pitch or abrasive sound noticeable from the disk, retract the heads
immediately and power drive down and inspect all
heads for possible damage.

Power drive down and remove disk pack.

Install double-density CE pack, start drive, and allow drive temperature to stabilize for one
hour.

Align heads using model 800 tester and head alignment tool. After heads are aligned, torque

all data heads to final torque. (Refer to Paragraph 4.6.3 in the RP05/06 Maintenance

Manual.)

Install data pack RP06-P and perform diagnostic and acceptance tests per field acceptance
procedure as described in Chapter 6, 8, 10, or 12.

13-13

Reader’s Comments

RP0O5/RP06 DISK DRIVE
INSTALLATION MANUAL
EK-RP056-IN-001

Your comments and suggestions will help us in our continuous effort to improve the quality and usefulness of
our publications.

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Would you please indicate any factual errors you have found.

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Name

Organization

Street

Department

City

State

Zip or Country

FIRST CLASS

PERMIT NO. 33
MAYNARD, MASS.

BUSINESS REPLY MAIL

NO POSTAGE STAMP NECESSARY IF MAILED IN THE UNITED STATES
Postage will be paid by:

Digital Equipment Corporation

Technical Documentation Department
Maynard, Massachusetts 01754

piGiTaL eQuIPMeNT corporaTion

[I[JEIAEI] worLowioe sates anp service

MAIN OFFICE AND PLANT

Maynard, Massachusetts, U.S.A. 01754 + Telephone. From Metropolitan Eoston: 646-8600 « Elsewhere: (617)-897-5111
TWX: 710-347-0212 Cable: DIGITAL MAYN Telex: 94-8457

DOMESTIC
NORTHEAST

- MID-ATLANTIC (cont)

CENTRAL (cont.)

Princeton

REGIONAL OFFICE:

235 Wyman Street, Waltham, Mass. 02154
Telephone: (617)-890-0330/0310 Dataphone:

MICHIGAN

U.S. Rout
1. Princeton,
e New Jersey 08540
Telephone (609)-452-2940

CONNECTICUT

Dataphone. 609-452-2040
-

1 Huntington Quadrangle

Suite 1507 Huntington Station. New York 11746
””Tellphunn (518)-504-4’3! (212)-895-8095

ster

130

Allens Creek Road, Rochester, New Vovk

Dataphone 716-244-1680

MASSACHUSETTS

Digitat Hall
1740 Walton Road. Blue Bell, Pennsylvania 19422
Telephone: (215)-825-4200

One Iron Way

TENNESSEE

Marlborough

MID-ATLANTIC
REGIONAL OFFICE:
.
U.S. Route 1, Princeton, N-wuncym

FLORIDA
Ortando

2815 Clearview Place. Sul!e xuo
Atlanta, Georgia 03040
Telephone: (404)-451-7411
Dn-phom mzm

Dataphone: 919-489-7832

Fairfield

253 Passaic
Ave . Fairfield. New lersey 07006
Dataphone: 201-227-9280

Metuchen

Telephone: (201)-549-4100/2000

Dataphone: 918-749-2714
-

Dmonn 4|2&4¢m

LOUISIANA

6656 Hornwood Drive
Monterey Park. Houston, Texas 77036
Telephone: (713)-777-3471
Dataphone: 713-777-1071

New Orleaos

WISCONSIN

Dataphone: 312-438-2500

Telephone: (504)-837-0257

Telephone: mms« 1/5428

Dataphone: 505-294-2330

Portland

Suite 168

5319 S.W. Westgate Drive. Portiand, Oregon 97221
Telephone: (503)-297-3761/3765

UTAH

Salt Lake City

429 Lawn Dale Drive, Salt Lake City. Utah 84115
Telephone: (801)-487-4669
Dataphone: 801-467-0535

Bellevue

13401 N E. Bellevue, Redmond Road, Suite 111
Bellevue, Washington 98005

Milwaukee

8531 West Capitol Drive. Milwaukee, Wisconsin 53222

Dataphone: 504-833-2800

10200 Menual N | E Mbuqu:ruuo New Mnlcu umz
OREGON

- HOUSTON

Metairie. Louisiana 70002

Dataphone: 201-548-0144

Albuguerque

Pl
North, Suite 513
2880 LBJ Freeway, Dallas, Texas 75234
Telephone: (214)620-2051
Dataphone: 214-620-2061

Chicago

Dataphone: 303-770-6628

NEW MEXICO

400 Penn. Center Boulevard, Pittsburgh, Pennsylvania 15235

3100 Ridgelake Drive, Suite 108

95 Main Street. Metuchen. New Jersey 08840

Telephone: (3037706150

PENNSYLVANIA
~ Pittsburgh

Dataphone: 317-247-1212

Dataphone: 213-478-5626

COLORADO
7901 E. Bellevue Avenue
g
Suite 5, Englewood. Colorado 80110

Dataphone: 513-298-4724

Telephone: (918)-749-4476

ILLINOIS

1850 Frontage Road
Northbrook. Illinois 60062

NEW JERSEY

Telephone: (213)-473-3791/4318

TEXAS

Telephone: (317)-243-8341

Dataphone: 415-562-2160

West Los Angeles
1510 Cotner Avenue. Los Amlel. Cnll'oml- ms

Dataphone: 216-946-8477

Telephone: (4|2)~msm

Indianapolis. Indiana 46224

3700 Chapel Hill Bivd.
Durham, North Carolina 27707

Telephone: («s)—ssmnm

OKLAHOMA
Tulsa
3140 S. Winston
Winston Sq. Bldg. Suite 4. Tulsa, Oklahoma 74135

21 Beachway Drive, Suite G

Durham/Chapel Hill
Executive Park

Oakland
7850 Edgewater Drive, Oakland, California 94621

Dayton, Ohio 45439
Telephone: (513)-294-3323

Indianapolis

Dmbum:714-280-7825

San Francisco
1400 Terra Bella, Mountain Vllw. California 94040
Telephone: (415)-964-6200
Dataphone: 415964-1436

3101 Kettering Boulw-d

- INDIANA

NORTH CAROLINA

Telephone: (714)-280-7880/7970

Dayton

Ex 78

Dataphone: 714-979-7850

San Diego
6154 Mission Gorge Road
Suite 110, San Diego, California

Dataphone: 816-461-3100

Telephone: (216)-946-8484

1850 Frontage Road. Northbrook, linois 60062
Telephone: (312)-498-2500 Dataphone: 312-498-2500

Atlanta

Telephone: (714)-979-2460

2500 Euclid Avenue, Euclid. Ohio 44117

REGIONAL OFFICE:

GEORGIA

2110 S. Anne Street, Santa Ana, California 92704

Cleveland

Suite 130, 7001 Lake Ellenor Drive, Orlmdo Flurldim

Dataphone: 305-859-2360

Santa Ana

~ OHIO

Lanham 30 Office Building
4900 Princess Garden Parkway, Llnhlm Murylmd
Telephone: (301)-459-7900
Dataphone: 301-459-7900 X53

Dataphone 602-268-7371

CALIFORNIA

St. Lous,
Suite 110. 115 Progress Parkway
Maryland Heights, Missouri 63043
Telephone: (314)-878-4310
Dataphone: 816-461-3100

WASHINGTON D C.

Telepnone: (609)-452-2940

Telephone: (201)-227-9280

Telephone (602)-268-3488

Dataphone. 313-557-3063

Telephone: (816)-252-2300

Knoxville
6311 Kingston Pike, Suite 21E
Knoxville, Tennessee 37919
Telephone: (615)-588-6571
Dataphone: 615-584-0571

Telex 710-3470348

Telephone: (919)-489-3347

4358 East Broadway Road. Phoenix, Arizona 85040

Phoenix

12401 East 43rd Street, Independence, Missouri 64055

Philadelphia

6700 Thompson Road. Syracuse. New York 13211
Telephone: (315)-437-1593/7085
Dataphone: 315-454-4152

Telephone: (SIS)-SFMSO

23777 Greenfield Road
Suite 189
Southfield. Michigan 48075

MISSOURI
Kansas City

PENNSYLVANIA

Syracuse

~ Telephone (617)-481-7400

ARIZONA

| 8030 Cedar Ave. South, Minneapolis, Minnesota 55420
- Telephone: (612)-854-6562-3-4-5
Dataphone: 612-854-1410

810 7th Ave., 22nd Floov
New York, N.Y. 10019
Telephone: (212)-582-1300

Dataphone: 408-735-1820

Detroit

Minneapolis

NEW YORK

Marlborough, Mass. 01752

Telephone: (408)735:9200

MINNESOTA

Telephone (203)-255-5391

Telephone: (716)-461-1700

310 Soque! Way. Sunnyvale, California 94086

230 Huron View Boulevard, Ann Arbor, Michigan 48103
Telephone: (313)-761-1150
Dataphone: 313-769-9883

Long Island

Fairfield
1275 Post Road, Fairfield, Conn 06430

REGIONAL OFFICE:

Ann Arbor

NEW YORK

Meriden
240 Pomeroy Ave.. Meriden, Conn. 06540
Telephone: (203)-237-8441/7466
Dataphone: 203-237-8205

- WEST

Telephone: (414)-463.9110

Dataphone: 414-463-9115

Telephone: (206)-545-4058/455-5404

Dataphone: 206-747-3754

INTERNATIONAL
'EUROPEAN HEADQUARTERS

UNITED KINGDOM (cont.)

- Digital Equipment Corporation International Europe

READING
Fountain House, Butts Centre

81 route de I'Aire.

- 1211 Geneva 26, Switzerland

Telephone: 427850

Telex:

Reading RG1 70N. England

Telephone: (0734)-583555

22 683

FRANCE

Telex 26840

Digital Equipment France
Tour Mangin
16 Rue Du Gal Mangin

Telephone: (76)-87-56-01

1040 Brussels, Belgium
Telephone: 02139256

Digital Equipment GmbH
MUNICH

Telephone 0221-44-40-95

Telegram. Flip Chip Koeln

Telex 25297

Telephone: 06102-5526

Telephone (514)636.9393

Telephone (403) 435-4881

Telephone: 0511-69-70-95

Oslo 5, Norway
- Telephone: 02/68 34
40

Telex: 922-952

STUTTGART

Telex: 19079 DEC N

2900 Hellerup, Denmark

Titismaantie 6

SF-00710 Helsinki 71

Telephone: (090) 370133
Cable Digita! Helsinki

- UK. HEADQUARTERS

Fountain House. Butts Centre
Reading RG! 70N. England

Telephone (0734)-583555

Telex

Telex 289201

BRISTOL

Telephone Bristol 651-431

Telephone

EALING
Bilton House, Uxbridge Road. Ealing. London W 5.

Telephone 01-579-2334

01.46-41.91

Telex

Telephone. (02)-879-051/2/3/4/5

Telephone (03)-699-2888

43 Parker St . Holborn, London
WC 28 SPT, England
Telephone 01-405-2614/4067

Telex: 843.33615

Digital Equipment Corporation Ltd.

Tetex 2780

MANCHESTER

)

Arndale House

Chester Road. Stretford. Mnnchener M3 9BH
Telex 668666

printed in U.S.A.

MADRID
Ataio Ingenieros S A, Enrique Larreta 12. Madrid 16
Telephone 215 3543
Telex 27249

BARCELONA

Telex 790-30700

Ataio Ingenieros S A . Granduxer 76. Barcelona
6
Telephone: 221 44 66

(092):21 4993

Telex

79092140

(02)-439-2565

NEW ZEALAND

MEXICO CITY
Mexitek. S A
Eugenia 408 Deptos. 1
Apdo Pol}ul
121012
Mesxico 125D

Telephone: (905) 536-09-10

Stanford Computer Cotpomlcn

P O. Box 1608
416 Dasmarinas St. Manil
Telephone 49-68-96
Telex 742.0352

Australia 2065

Telephone

Telex: 011-2594 Plenty

MANILA

SYDNEY
PO Box 491, Crows Nest
NSW

Porto Alegre — RS
Telephone: 24-7411

- PHILIPPINES

West Perth. Western Australia 6005
Telephone

PORTO ALEGRE — RS
Rua Coronel Vicente 421/101

MEXICO

643 Murray Street

SPAIN

~ Management House

790-40616

PERTH

Corsu Ganibald: 49 20121 Milano, Italy

LONDON

Telex

Australia

MILAN

Shiel House. Craigshill. 1ivingston,
West Lothian. Scotland
Telephone 32705
Telex 727113

(072293088

- 60 Park Street. South Melbourne. Victoria 3205

Diqital Equipment SpA

Telephone: 52-7806/1870. 51-0912

Bombay-6 (WB) India
Telephone 38-1615 36-5344
Cable: TEKHIND

MELBOURNE

ITALY

Telex 22371

Ambriex S A

69/A. L lagmohandas Marg.

27 Callie St
Fyshwick. A C T 2603 Australia
Telephone (062)-959073

56059

SAO PAULO

~ Hinditron Computers Pvt Ld.

CANBERRA

Rua Ceara, 104, 2 e 3 andares ZC - 29
Rio De laneiro — GB
Telephone: 264-7406/0461/7625

BOMBAY

Telephone

2ZURICH
Digital Equipment Corp AG
Schaffhauserstr 315
CH-8050 Zurich. Swatzerlund

Fish Ponds Road. Fish Ponds
Bristol. Enaland BS163HQ

Ambriex S A

INDIA

Telex 790-82825

Spring Hill
Brishane. Quecnsland, Australia 4000

Telephone No. 022 2 4C
2 and 20 58 92 and 20 68 93

337.060

RIO DE IANEIRO GB

SANTIAGO
Coasin Chile Lida. (sales only)
Casilla 14588, Correo
Telephone: 396713
Cable COACHIL

133 Leichhardt Street

20. Quai Ernest Ansermet
Boite Postale 23, 1211 Geneva 8. Switzerland

29/31 Birmingham Rd . Sutton Coldfield

Telephone (08)-42-1339

CHILE

BRISBANE

Digital Equipment Corporation S A
GENEVA

BIRMINGHAM
~ Maney Buildings

Warwickshire. England
Telephone: 021-355-5501

SWITZERLAND

Telex 8483278

Virrey del Pino. 4071, Buenos Aires
Telephone 52-3185
Telex: 012-2284

Sao Paulo — SP

Digital Equipment Australia Pty Ltd.
ADELAIDE
6 Montrose Avenue
Norwood. South Australia 5067

HELSINKI

Digital Equipment Co. Ltd.

Rua Tupi. 535

AUSTRALIA

Digital Equipment AB

UNITED KINGDOM

BUENOS AIRES
Coasin S.A.

TWX. 403-255-7408

Cable: DIGITAL MAYN
Telex: 94-8457

FINLAND

Telex 385-9056

ARGENTINA

BRAZIL

146 Main Street. Maynard, Massachusetts 01754
Telephone: (617) 897-5111
From Metropolitan Boston. 646-8600
TWX: 710-347-0217/0212

Hellerupveg 66

Digital Equipment Corporation Ges mb H.
VIENNA
Mariahilferstrasse 136, 1150 Vienna 15, Austria
Telephone: 85 51 86

Telex B10-422.412¢

REGIONAL OFFICE

COPENHAGEN

AUSTRIA

Telephone. (809)-723-8068/67

6104827118

GENERAL INTERNATIONAL SALES

Digital Equipment Aktiebolag

Telex 841722393

Santurce. Puerto Rico 00912

Ontario

644 S W Marine Dr. Vancouver
British Columbia. Canada V6P 5Y1
Telephone (604)-325-3231
Telex 610-929-2006

DENMARK

D-7301 Kemnat. Stuttgart
Marco-Polo-Strasse 1
Telephone: (0771)-45-50-65

407 del Parque Street

VANCOUVER
Suite 202

Trondheimsveien 47

3 Hannover, Podbielskistrasse 102

TWX:

Digital Equipment Corporation De Puerto Rico

TWX: 610-562-8732

CALGARY /Edmonton
Suite 140, 6340 Fisher Road S.E.
Calgary. Alberta, Canada

osLo

HANNOVER

PUERTO RICO

Dorval. Quebec. Canada HOP 2M9

Digital Equipment Corp. A/S

Telex: 41-76-82

Minato-Ku, Tokyo. Japan
Telephone: 5915246
Telex: 781-4208

9045 Cote De Liesse

NORWAY

Am Forstaus Gravebruch 57

No. 18-14 Nishishimbashi 1-Chome

MONTREAL

Telephone 98 1390
Telex: 172 50
Cable: Digital Stockholm

FRANKFURT
8078 Neu-Isenburg 2

Telephone (061)-865-7011

Telephone. (4162709400

Englundavagen 7. 171 41 Solna, Sweden

Telex 888-2269

Kozato-Kalkan Bldg.

2550 Goldenridge Road, Mississauga.

STOCKHOLM
N

Rikei Trading Co.. Ltd. (sales only)

TORONTO

Digital Equipment AB

Telex: 524-226

COLOGNE
5 Koeln 41, Aachener Strasse 311

- Telephone: (613)-592-5111

SWEDEN

- 8 Muenchen 13. Wallensteinplatz 2

Telex: 922-33-3163

Ottawa. Ontario, Canada

108 Rue D'Arlon

GERMAN FEDERAL REPUBLIC

Minato-Ku, Tokyo 107, Japan
Telephone: 588-2771
Telex: J-26428

P.O. Box 11500

Telex: 32533

Digital Equipment N.V./S
A
BRUSSELS

Telex 212-32882

Kowa Building No. 16
— Annex, First Floor
9-20 Akasaka 1-Chome

Digital Equipment of Canada, Ltd.
CANADIAN HEADQUARTERS

BELGIUM

38100 Grenoble. France

Digital Equipment Corporation International

103, Southern Habakuk Street
Tel Aviv, lsrael

CANADA

Rijswijk/The Hague, Netherlands

Telephone: 94 9220

~ JAPAN

DEC Systems Compunn Lid.
TEL AVIV

Telephone: (03) 443114/440763

THE HAGUE
Sir Winston Churchillian 370

- GRENOBLE

EDINBURGH

Telex 8483278

Digital Equipment N.V.

Centre Silic — Cidex L 225

Telephone: 0811-35031

Suite

'NETHERLANDS

~ Digital Equipment France
94533 Rungis, France
Telephone 687-23-33

ISRAEL

Telex

790-20740

Digital Equipment Coarporation Ltd
AUCKLAND
Hilton House, 430 Queen Street. Box 2471
Auckland. New Zealand
Telephone 75533

VENEZUELA

CARACAS
Coasin. C A

Apartado 50939

Sabana Grande No 1. Caracas 105

Telephone 72-8662. 72-9637

Cable INSTRUVEN