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EK-O33AB-OM-002

September 1988

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Document:	MicroVAX 3600 VAXserver 3600/3602 Operation
Order Number:	EK-O33AB-OM
Revision:	002
Pages:	108
Original Filename:	EK-O33AB-OM-002_MicroVAX_3600_VAXserver_3600_3602_Operation_Jul1988.pdf

OCR Text

MicroVAX 3600
VAXserver 3600/3602
Operation
Order Number EK-033AB—OM-002

digital equipment corporation
maynard, massachusetts

September 1957
July 1988
The information in this document is subject to change without notice and should not be construed as a
commitment by Digital Equipment Corporation.
Digital Equipment Corporation assumes no responsibility for any errors that may appear in this document.
The software, if any, described in this document is furnished under a license and may be used or copied only
in accordance with the terms of such license. No responsibility is assumed for the use or reliability of software
or equipment that is not supplied by Digital Equipment Corporation or its affiliated companies.
Copyright ©1987, 1988 by Digital Equipment Corporation.
All Rights Reserved.
Printed in U.S.A.
The READER'S COMMENTS form on the last page of this document requests the user's critical evaluation to
assist in preparing future documentation.
The following are trademarks of Digital Equipment Corporation:

MASSBUS
MicroVAX
PDP
P/OS
Professional
Q-bus
Rainbow
ReGIS
RSTS
RSX
RT

ThinWire
ULTRIX
UNIBUS
VAX
VAXcluster
VAXELN
VAXIab
VMS
VT
Work Processor

d 8eG0

TM
a

COMPACTape
DEC
DECmate
DECnet
DECserver
DECUS
DECwriter
DELNI
DEQNA
DESTA
DIBOL

ML-S986
FCC NOTICE: The equipment described in this manual generates, uses, and may emit radio frequency
energy. The equipment has been type tested and found to comply with the limits for a Class A computing
device pursuant to Subpart J of Part 15 of FCC Rules, which are designed to provide reasonable protection
against such radio frequency interference when operated in a commercial environment. Operation of this
equipment in a residential area may cause interference, in which case the user at his own expense may be
required to take measures to correct the interference.

Contents
Preface

Chapter 1 System Overview
1.1
Front View of the MicroVAX/VAXserver 3600 Cabinet
1.1.1
The BA213 Enclosure
1.1.1.1
Mass Storage Shelf
1.1.1.2
Card Cage
Power Supplies
1.1.1.3
1.1.1.4
Fans
1.1.2
Mass Storage Options
Rear View of the MicroVAX/VAXserver 3600 Cabinet
1.2
Power Controller
1.2.1
Functional Description of Base System Components
1.3
Base System Components
1.3.1
1.3.1.1
Central Processing Unit (CPU)
1.3.1.2
Console Serial Line Unit (SLU)
Main Memory
1.3.1.3
Mass Storage Devices and Controllers
1.3.1.4
Power Supplies
1.3.1.5
Fans
1.3.1.6
Optional Components
1.3.2
Communications Controllers
1.3.2.1
1.3.2.2
Real-Time Controllers
Printer Interfaces
1.3.2.3
Other Available Options
1.3.2.4

1-4
1-10
1-12
1-13
)-16
1-17
1-19
1-19
1-21
1-23
1-24
1-24
1-24
1-24
1-25
1-25
1-25
1-26
1-26
1-28
1-28
1-28

iii

Chapter 2 Using the System
2.1
2.2
2.2.1
2.2.2
2.3
2.4
2.4.1
2.4.2
2.5
2.6
2.7
2.8

Before You Use a New System
Switch Settings
Normal Operation
Special Operation
Turning On the System
Booting the System
Autobooting the System
Booting the System from Console Mode
Using the System
Turning Off the System
Halting the System
Resetting the System

2-1
2-1
2-1
2-2
2-3
2-5
2-5
2-7
2-7
2-8
2-9
2-9

Chapter 3 Using System Options
3.1
Mass Storage Options
3.1.1
RA-Series Disk Drives
3.1.1.1
RA-Series Drive Controls
3.1.1.2
Inserting an RA60 Disk Pack
Removing an RA60 Disk Pack
3.1.1.3
3.1.1.4
Replacing an RA81/82 Air Filter
3.1.2
TK70 Tape Drive
3.1.2.1
Design of the Drive
3.1.2.2
Labeling a Tape Cartridge
Write-Protecting a Tape Cartridge
3.1.2.3
3.1.2.4
Tape Cartridge Handling and Storage Guidelines
Inserting a Tape Cartridge
3.1.2.5
3.1.2.6
Removing a Tape Cartridge
3.1.2.7
Summary of TK70 Tape Drive Controls and Indicator
Lights
3.1.3
TS05 Tape Drive
3.1.3.1
Controls and Indicators
3.1.3.2
Inserting Write-Enable Ring
3.1.3.3
Loading Tape
3.1.3.4
Rewinding Tape

3-1
3-2
3-2
3-6
3-8
3-8
3-9
3-11
3-12
3-13
3-15
3-16
3-18
3-20
3-21
3-22
3-24
3-24
3-26

Unloading Tape
3.1.3.5
Restarting the Tape Drive
3.1.3.6
3.1.3.7
Care of Magnetic Tapes
3.1.4
TU81-Plus Tape Drive
3.1.4.1
Controls and Indicators
Inserting Write-Enable Ring
3.1.4.2
Tape Threading and Loading
3.1.4.3
3.1.4.4
Tape Unloading
3.1.4.5
Corrective Actions
3.2
Communications Controller Options
3.2.1
Asynchronous Serial Controllers
3.2.1.1
Without Modem Support
3.2.1.2
With Modem Support
3.2.2
Synchronous Controllers
Network Controllers
3.2.3
3.2.4
Real-Time Options
Printer Options
3.2.5
Adding New Options
3.3

3-26
3-26
3-27
3-28
3-28
3-30
3-31
3-35
3-35
3-36
3-36
3-3 7
3-38
3-39
3-40
3-40
3-41
3-41

Appendix A Related Documentation
Glossary
Index
Figures
1-1
1-2
1-3
1-4
1-5
1-6
1-7

MicroVAX/VAXserver 3600 System with Auxiliary Cabinet
Standard VAXserver 3602 System
MicroVAX/VAXserver 3600 Cabinet
Key Positions
Sliding Window Closed
Window Partially Open
Window Fully Open

1-2
1-3
1-4
1-5
1-6
1-7
1-8

1-8
1-9
1-10
1-11
1-12
1-13
1-14
1-15
1-16
1-17
1-18
2-1
2-2
2-3
2-4
3-1
3-2
3-3
3-4
3-5
3-6
3-7
3-8
3-9
3-10
3-11
3-12
3-13
3-14
3-15
3-16
3-17

Opening the Front Door
Internal View of MicroVAX/VAXserver 3600 Cabinet
Front View of the BA213 Enclosure
Mass Storage Shelf
Card Cage
CPU Cover Panel
Power Supply
System Air Circulation
Removing the Rear Panel
Rear View of MicroVAX/VAXserver 3600 Cabinet
Power Controller
Language Selection Menu
Sample Error Summary
Successful Power-On and Automatic Boot
Successful Power-On to Console Mode
Location of RA-Series Drive Controls
Opening the RA60 Disk Drive
Removing Bottom Dust Cover from an RA60 Disk Pack . . .
Air Filter Removal
TK70 Tape Drive
Labeling a Tape Cartridge
Tape Cartridge Write-Protect Switch
Inserting a Tape Cartridge
Removing a Tape Cartridge
TS05 Tape Drive and Controls
Inserting Write-Enable Ring
Loading the TS05 Tape Drive
TU81-Plus Tape Drive and Controls
Inserting Write-Enable Ring
Opening the TU81-Plus Cover
TU81-Plus Tape Deck
Tape Path

1-9
1-10
1-11
1-12
1-13
1-15
1-16
1-18
1-20
1-21
1-22
2-3
2-5
2-6
2-8
3-3
3-6
3-7
3-9
3-11
3-12
3-14
3-17
3-19
3-22
3-24
3-25
3-28
3-31
3-32
3-33
3-34

Tables
2-1
2-2
3-1
3-2
3-3
3-4
3-5
3-6

Normal Power-On Indications
Console Program Boot Sequence
RA-Series Drive Controls and Indicators
TK70 Tape Drive Controls
TK70 Tape Drive Indicator Lights
TS05 Tape Drive Controls and Indicators
TU81-Plus Tape Drive Operator Controls and Indicators .
TU81-Plus Corrective Actions

2-4
2-7
3-4
3-20
3-20
3-23
3-29
3-36

vii

Preface
This manual describes how to use MicroVAX 3600 and VAXserver 3600/3602
systems. The hardware for the two types of systems is the same. The software
differs because the systems serve different functions. The MicroVAX 3600 is a
timesharing system that uses the VMS, ULTRIX, or VAXELN operating system,
and functions as an end-node on an Ethernet network. The VAXserver 3600
and 3602 are full-function network nodes that use the VMS operating system
and LAVc (Local Area VAXcluster) software. VAXserver systems support
client systems on a Local Area Network (LAN).
The manual is structured as follows:
•

Chapter 1 provides an overview of the systems.

•

Chapter 2 describes how to use the systems.

•

Chapter 3 describes how to use options installed in the systems.

•

The appendix lists related documentation.

•

A glossary explains key terms.

NOTE: VAXserver 3600f3602 systems are designed to offer maximum
performance for applications that do not require timesharing. Some of the devices
referred to in this manual are designed for multiuser systems and may not be
suitable for a VAXserver system. Contact your DIGITAL representative if you
have any questions aobut whether use of a specific device is appropriate for your
VAXserver system.

Conventions
The following conventions are used in this book:
Convention

Meaning

Key

A symbol denoting a terminal key used in text and examples in this book.
For example, Break indicates that you
Return indipress the Break key on your terminal keypad.
cates that you press the Return key on your terminal keypad.

Ctrl/C

A symbol indicating that you hold down the Ctrl key while you
press the C key.

Bold

Bold type is used to indicate user input.
For example:
»> BOOT MUAO
This line shows that the user must type BOOT MUAO at the "»>"
prompt.

WARNING

Provides information to prevent personal injury.

CAUTION

Provides information to prevent damage to equipment or software.

NOTE

Provides general information about the current topic.

Chapter 1

System Overview
This introductory section describes the MicroVAX 3600 and VAXserver 3600
systems and the VAXserver 3602 system.
MicroVAX 3600 and VAXserver 3600 systems have identical H9644 cabinets
that house primary system components. At the top of the cabinet is an RA82
disk drive. Below the RA82 and behind a front door that limits access to
system controls is a BA213 enclosure, which houses the following:
•

Central processing unit (CPU)

•

Memory modules)

•

Communications controllers

•

Mass storage controllers

•

TK70 tape drive

•

Power supplies

•

One or two RA70 disk drives (optional)

Because the single cabinet is the basis of all MicroVAX 3600 or VAXserver
3600 systems described in this manual, this cabinet is referred to as the
system cabinet throughout the manual. Section 1.1 and Section 1.2 describe
the system cabinet in more detail.
Both the MicroVAX 3600 and VAXserver 3600 can have auxiliary cabinets
to hold additional mass storage devices. The following mass storage devices
can be mounted in auxiliary cabinets:
•

RA60 disk drive

•

RA81 disk drive

•

RA82 disk drive

•

TS05 tape drive

•

TU81—Plus tape drive

System Overview 1-1

Figure 1-1 shows a MicroVAX/VAXserver 3600 system cabinet with an
auxiliary cabinet. The figure shows a TU81-Plus tape drive and an RA82
disk drive in the auxiliary cabinet.

Figure 1-1: MicroVAX/VAXserver 3600 System with Auxiliary
Cabinet
SYSTEM
CABINET

AUXILIARY
CABINET

RA82
DISK
DRIVE

TU$1-PLUS
TAPE
DRIVE

BA213
CHASSIS
RA82
DISK
DRIVE

The VAXserver 3602 system always has two cabinets. The primary cabinet
is identical to the VAXserver 3600 system cabinet. The secondary cabinet
houses a BA213 enclosure, which contains a second CPU and memory,
communications controllers, a KDA50 controller, and, optionally, one or two
RA70 disk drives. The RA82 and TK70 drives are not standard. Both CPUs
share the RA82 drive in the primary cabinet. You can optionally order a
mass storage device (RA60/81/82 disk drives or a TS05 tape drive) to mount
in the top of the second cabinet. Figure 1-2 shows a standard VAXserver
3602 system.

1-2 MicroVAX 3600 VAXserver 3600/3602 Operation

Figure 1-2: Standard VAXserver 3602 System
PRIMARY
CABINET

SECONDARY
CABINET

RA82
DISK
DRIVE

BA213
CHASSIS
BA213
CHASSIS

MLO-1203-87

This chapter describes the MicroVAX/VAXserver 3600 system cabinet and the
components it contains. The cabinet door, the BA213 enclosure behind the
door, and the function of the base system components are described in turn.
Chapters 2 and 3 describe how to use the system and options.

System Overview 1-3

1.1 Front View of the MicroVAX/VAXserver
3600 Cabinet
Figure 1-3 shows the MicroVAX/VAXserver 3600 cabinet with the front door
closed.
Figure 1-3: MicroVAX/VAXserver 3600 Cabinet

RA82
DISK
DRIVE

FRONT
DOOR

ROTARY
LOCK

SLIDING
WINDOW

MLO-1204-87

The cabinet door has a sliding window controlled by a 3-position rotary lock.
You can lock the window in one of three positions: closed, partially open,
and fully open. Each position controls access to system controls. When the
window is locked in any of the positions, you can raise it to a higher position
without locking it. However, you cannot lower it beyond the locked position
without using the key.

1-4 MicroVAX 3600 VAXserver 3600J3602 Operation

To open the window, turn the key to position 2 or 3, then slide the window
down. To close the window, slide the window up, then turn the key to lock
the window in position.
Figure 1-4 shows the three key positions and the controls accessible in each
position.
Figure 1-4:

Key Positions
KEY POSITION 1
NO ACCESS TO CONTROLS

KEY POSITION 2
ACCESS TO TAPE DRIVE
AND FIXED DISK CONTROLS
KEY POSITION 3
ACCESS TO ON/OFF SWITCH
AND FRONT DOOR RELEASE LATCH
MLO-1205-87

When the window is up and the key is turned to position 1, the window
is locked in the closed position. You cannot use any controls when the
window is closed, but lights indicating power to the system and activity on
the disks and tape are visible through the window. Figure 1-5 shows the
closed window and key position.

System Overview 1-5

Figure 1-5: Sliding Window Closed

::.~~~

~::: w~~:~-

~:.

KEY
POSITION
1

MLO-1206-87

When the key is turned to position 2, you can open the window partially, as
shown in Figure 1-6. You can use the TK70 tape drive, operate the controls
for the RA70 disk drives, and use the Halt button. Chapter 3 has instructions
for using the tape and disk drives.

1-6 MicroVAX 3600 VAXserver 3600/3602 Operation

Figure 1-6: Window Partially Open

TK70
TAPE
DRIVE

.. .
~'~x ~

~:..~

.. .

~~Z

KEY
POSITION
2

RA70
CONTROLS

DC OK
LIGHT
M LO-1207-87

System Overview 1-7

When the key is turned to position 3, you can open the window fully, as
shown in Figure 1-7.
Figure 1-7:

Window Fully Open

.J
1
~y

~~
.~.
.I i~.

~ ~ ■
~~r

...

KEY
POSITION
3

c
•e

C_
FRONT
DOOR
LATCH

ON/OFF
SWITCH

M LO-1208-87

When the window is fully open, you can turn the system on and off, and
you can release the latch that locks the front door.

1-8

MicroVAX 3600 VAXserver 3600/3602 Operation

Removing the Front Panel
You must open the front door to use controls on the CPU cover panel and
power supplies. Refer to Figure 1-8, and open the front door as follows:
1. Push the door latch to the right. The left side of the door springs open.
2. Pull the door fully open.
Figure 1-8: Opening the Front Door

RECESSED
HANDLE

MLO-1209-87

The next section describes the BA213 enclosure, which is exposed when you
open the front door.

System Overview 1-9

1.1.1 The BA213 Enclosure
Opening the front door enables you to see the components housed in the
BA213 enclosure. Figure 1-9 shows a typical configuration.

Figure 1-9: Internal View of MicroVAX/VAXserver 3600 Cabinet

RA82
DISK
DRIVE

BA213
CHASSIS

MLO-1210-87

The BA213 enclosure contains the following:
•

Mass storage

•

Card cage containing modules CPU,
controllers, mass storage controllers

•

Power supplies (2)

•

Fans (2)

TK70 tape drive and possibly one or two RA70 disk drives

1-10 MicroVAX 3600 VAXserver 3600/3602 Operation

memory,

communications

The components depicted in Figure 1-10 represent a possible configuration.

Figure 1-10: Front View of the BA213 Enclosure
RA70
CONTROLS
TK70
TAPE DRIVE

PRIMARY
POWER
SUPPLY

MASS
STORAGE
SHELF

CARD
CAGE

SECONDARY
POWER
SUPPLY

FANS

CPU
COVER
PANEL
MLO-1211-87

System Overview 1-11

1.1.1.1 Mass Storage Shelf
The mass storage shelf extends across the top of the enclosure. The shelf
contains a TK70 tape drive and, optionally, one or two RA70 fixed-disk
drives. If present, the RA70 drives are behind the control panel, as shown
in Figure 1-11.
Figure 1-11:

Mass Storage Shelf

CABLE
DISTRIBUTION
PANEL

TK70 TAt'E
DRIVE

FIXED DISK
1

FIXED DISK
0

~1
~1

■

•

•.~

3
~/

RA70
CONTROLS

DC OK
LIGHT
MLO-1212-87

The control panel has several buttons and indicator lights for each of the two
drives. Chapter 3 describes how to use the control panel. If your system has
no RA70 drives, the control panel indicators do not light when you turn on
your system.
Below the control panel is the system DC OK light. When lit, the green DC
OK light indicates that the do voltages are within the correct operating range.
When unlit, there is a problem with one of the power supplies. Chapter 3
describes how to check the DC OK light on each power supply to determine
which power supply has failed.
To the left of the DC OK light is the Halt button. The Halt button is a
two-position button. When you press in the button, the system halts and
the console mode prompt »> appears on the console terminal screen. Before

1-12

MicroVAX 360C VAXserver 3600/3602 Operation

entering console commands, press the button again. If you inadvertently
press the Halt button, type "c Return " to continue.
CAUTION: Pressing in the Halt button halts the system regardless of the setting
of the Break Enable/Disable switch on the CPU cover panel.
Some early models of MicroVAX 3600 and VAXserver 3600 systems did not
have a Halt button. You halt these systems by pressing the Break key, after
setting the Break Enable/Disable switch on the CPU cover panel to enable.
Chapter 2 describes halting the system in more detail.
1.1.1.2 Card Cage
The modules in your system are mounted in a 12-slot card cage under the
mass storage shelf. The slots are numbered from 1 to 12, as shown in
Figure 1-12 .
Figure 1-12:

Card Cage

I l l l l l l i l t l l l l l l l 1111 11
;II I I I I I I I I I I I I I I I I I i I I

System Overview 1-13

The number and type of modules installed in your system depend on your
configuration. Each slot, even an empty one, is protected by a cover panel.
Together the panels form a shield with a twofold purpose: to protect external
devices from electrical interference generated by the system, and to protect
the system from electrical interference generated by external devices.
CAUTION: Do not operate the system without DIGITAL-supplied module cover
panels. The cover panels are required to protect the equipment and to meet
international regulatory standards. Do not substitute other cover panels as they
may not meet the required specifications.
Operating the system without the module cover panels has the following
consequences:
•

The system may overheat due to improper air circulation.

•

The system will not comply with FCC and VIaE requirements for shielding
and may produce electrical interference that affects other equipment.

•

The system is susceptible to electrical interference or damage from external
sources.

The design of the cover panels varies, depending on the type of module
installed in the slot. Modules requiring external cable connections, such
as communications controllers, have recessed cover panels that are riveted
directly to the module. The recessed panels allow space for connecting
cables. Modules requiring no external cable connections, such as mass
storage controllers, are covered by flush cover panels. Empty slots are also
covered by flush cover panels which may be single or double width. All
cover panels, except those covering empty slots, have a label identifying the
module installed in the slot.
Cables connecting your system to peripheral devices (such as terminals,
modems, and printers) are attached to communications controllers. Each
cable can contain multiple lines. The cables run under the BA213 enclosure
and out the back of the system cabinet, where the cables are split into
individual lines. Chapter 3 describes these connections in more detail.
The MicroVAX central processing unit (CPU) module is installed in slot 1
with its associated memory module in slot 2. Additional memory modules
may be installed in slots 3 through 5. The CPU and the first memory module
are behind adouble-width cover panel that has internal cable connections to
the CPU module. Figure 1-13 shows the CPU cover panel.

1-14 MicroVAX 3600 VAXserver 3600/3602 Operation

Figure 1-13: CPU Cover Panel

BREAK
ENABLE/DISABLE
SWITCH
POWER-UP MODE
SWITCH
LED
DISPLAY

j IIIIIIIIIIIIII ~ ~-~
, I`
i IIIIIIIIIIIIII ~
IIIIIIIIIIIIII ~~ ~~

MODIFIED
MODULAR JACK

TO CONSOLE
TERMINAL

CPU Cover Panel Components
The CPU cover panel has the following components:
•

Break Enable/Disable switch When the switch is down (dot outside the
circle), breaks are disabled. When the switch is up (dot inside the circle),
breaks are enabled. When breaks are enabled, pressing Break on the
console terminal halts the processor and transfers control to the console
program. When you change the switch from one setting to the other,
you must activate the new setting by resetting the system. To reset the
system, press the Reset button on either power supply. All processes will
be interrupted.

•

Power-Up Mode switch This 3-position rotary switch determines how
the system responds at power-up:
Language Inquiry Mode (in the top position, indicated by a human
profile) causes the system to display a language selection menu at
power-up if your console terminal supports multiple languages.

System Overview 1-15

Run Mode (in the middle position, indicated by an arrow) is the
normal operating setting.
Loop Back Test Mode (in the bottom position, indicated by a T in a
circle) causes the system to run loopback tests on the console serial
line at power-up. This setting requires special loopback connectors
and is for service use only.
•

The light emitting diode (LED) display shows the testing sequence during
power-up.

•

Console terminal connector This modified modular jack (MMJ), labeled
A-1, provides the connection for the console terminal.

1.1.1.3 Power Supplies
Your system has two power supplies. The one on the right is the primary
power supply; the one on the left is the secondary power supply. Figure 1-14
shows the controls and indicators on a power supply.
Figure 1-14:

Power Supply

MLO-1215-87

1-16

MicroVAX 3600 UAXserver 3600/3602 Operation

The controls and indicator lights function as follows:
•

DC OK When the DC OK light is lit, the do voltages are within the
correct operating range. An unlit DC OK light indicates a problem with
the power supply. Turn off the system and call your DIGITAL service
representative.

•

Reset button A recessed Reset button enables you to reset the system to
a power-on state without turning it off . The Reset button is recessed to
prevent you from inadvertently resetting the system. Use your fingertip
or small tool to press the button. See Chapter 2 for the correct procedures
for resetting the system.

•

Circuit breaker The circuit breaker trips to protect the system from
power surges. When tripped, the circuit breaker is in the out position.
To reset the breaker, press it in.

1.1.1.4 Fans
Two fans located under the card cage draw air through the BA213 enclosure.
The fans draw air from the top of the enclosure, down through the card
cage, and out the bottom. The speed of the fans varies with the ambient
temperature.
Additional fans in the RA82 disk drive unit draw air in through the front
and out the back of the drive. Figure 1-15 shows the air flow throughout
the entire system cabinet with the front door and window closed.

System Overview 1-17

Figure 1-15: System Air Circulation

1—'t 8 MicroVAX 3600 VAXserver 3600/3602 Operation

1.1.2 Mass Storage Options
Each MicroVAX 3600/VAXserver 3600 system has an RA82 disk drive
mounted in the top of the system cabinet. Optionally, one or two RA70 disk
drives can be mounted in the BA213 enclosure. Any one or combinations of
the following devices can be mounted in an auxiliary cabinet:
•

RA81 or RA82 fixed-disk drive

•

RA60 removable disk drive

•

TS05 tape drive

•

TU81—Plus tape drive

Instructions for using each of these devices are in Chapter 3.
Each mass storage device listed has its own power supply, but is connected to
a power controller in the cabinet in which the device is mounted. The power
controller in the system cabinet (described in the next section) distributes ac
power to the BA213 enclosure and the RA82 disk drive. The power controller
in the auxiliary cabinet is daisy-chained to the one in the system cabinet,
so that the entire system is controlled by the on/off switch on the system
cabinet.

1.2 Rear View of the MicroVAX/VAXserver 3600
Cabinet
You may need to remove the rear panel of the cabinet to check the RA82
circuit breaker or the system circuit breaker.
You remove the rear panel (Figure 1-16) as follows:
1. Using aone-eighth-inch Allen wrench, turn the two screws counterclockwise aquarter turn. Support the top of the panel while you loosen
the second screw.
2.

Tilt the top of the panel out about three inches.

Lift the panel out of the supporting bracket.

System Overview 1-19

Figure 1-16: Removing the Rear Panel

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I
IIIIIIIIII III 111111 1111111
IIIIIIIIII ►11111111 IIIIII11111

1111111 I IIIlill l 1111111111
1111111
~IIIII11 ;Ill
VII I
'1111111 IIIII IIII illllil~
~'lllll 111111111 IIIIIIIIII
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IIII! III
►III
111111 II
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1
,1111111 VII I IIII II►111111 i
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III 11 111 11 1111 I
villll►I IIIIIIIII IIIIIIIIII
1111111 !111111 1 1 ►II1111111
II I I 11 11111

The rear view of a MicroVAX/VAXserver 3600 cabinet containing an RA82
disk drive is shown in Figure 1-17.

1-20 MicroVAX 3600 VAXserver 3600/3602 Operation

Figure 1-17: Rear View of MicroVAX/VAXserver 3600 Cabinet
RA82
POWER
CORD

FAN

RA82
CIRCUIT
BREAKER

RA82
DATA
CABLES

SYSTEM
POWER
CORD

SYSTEM
CIRCUIT
BREAKER

POWER
CONTROLLER
MLO-1218-87

The rear of the RA82 drive has a circuit breaker, a fan to cool the device,
and a power cord that is connected to the power controller.

1.2.1 Power Controller
At the bottom of the cabinet is the power controller, which distributes ac
power to the BA213 enclosure and the RA82 disk drive. Figure 1-18 shows
both the front and back view of the power controller. When you look at the
rear of the system cabinet, you see the front of the power controller.

System Overview 1-21

Power Controller

Figure 1-18:

POWER CORD
/ONLY
~+

'OWE'
~
~000~
i000~
J9 ~O/ J10

~
O

0 0
~~~
r~ ~

CABLE
SHIELDb o
0
I
—B
A'
o

MAIN POWER
~

FRONT

J4-

O —J)

REMOTE
SENSE
INPUTS

INDICATOR
LIGHT

CIRCUIT _
BREAKER

UNSWITCHED-

ONTR
BUS
~000~
~000i
J11 ~~ J12
CABLE I
SHIELDO

0
0

3-POSITION
TOGGLE
SWITCH

J5-

J6-

~o ~~

SWITCHED OUTLETS

REAR

MLO-1219-87

The front of the power controller contains the following components, as
shown in Figure 1-18.
•

Four remote-sense input connectors (labeled J9, J10, J11, and J12)

•

A 3-position toggle switch (A, 0, B)

•

An indicator light

•

A circuit breaker

The rear of the power controller contains the following components, as shown
in Figure 1-18.
•

Two unswitched power outlets

•

Six switched power outlets

1-22

MicroVAX 3600 VAXserver 3600/3602 Operation

The unswitched power outlets are always energized, while the switched
power outlets are controlled by the 3-position toggle switch and the devices
connected to the remote-sense input connectors.
The ac power cord of the BA213 unit is plugged into one of the unswitched
power outlets on the power controller. The ac power cord for each mass
storage option is plugged into a switched power outlet on the power controller.
A remote-sense output connector from the BA213 enclosure is connected to
one of the remote-sense input connectors (labeled J9, J10, J11, and J12) on
the power controller by a remote power control bus cable.
The 3-position toggle switch determines how power is supplied to the
switched power outlets on the power controller. When the toggle switch
is set to A (the normal operating setting), the switched power outlets are
controlled by the on/off switch on the front of the BA213 enclosure. When
you turn on the system, all mass storage devices plugged into the switched
outlets are powered on. When you turn off the system, the mass storage
devices are powered off .
Two other settings are possible, but unusual. When the toggle switch is
set to 0, the switched power outlets are always de-energized. No power is
distributed to mass storage devices connected to the switched outlets when
the system is turned on. When the toggle switch is set to B, the switched
power outlets are always energized. Power is distributed to mass storage
devices connected to the switched outlets whether the system is on or off .
The power controller is protected by a circuit breaker that functions as a
system circuit breaker. If the circuit breaker trips, all outlets are de-energized
and the entire system loses power. You can reset the breaker by pushing it
down, then lifting it up.
The indicator light on the power controller remains lit as long as the system
is plugged into an active outlet. The light is unaffected by the operation of
the circuit breaker. If the light goes out, the power cord between the power
controller and the outlet may be loose, or the outlet may have lost power.

1.3 Functional Description of Base System
Components
Each MicroVAX/VAXserver system includes base system components
common to all systems, and perhaps optional components. Your system
was configured at the factory, based on your order.

System Overview 1-23

The following sections describe base system components and options.

1.3.1 Base System Components
Base system components include the following:
•

Central processing unit (CPU)

•

Console serial line unit (SLU)

•

Main memory

•

Mass storage devices and controllers

•

Power supplies

•

Fans

1.3.1.1 Central Processing Unit (CPUj
The central processing unit (CPU) controls the execution of all instructions
and processes. The CPU circuits contain the logic, arithmetic, and control
functions used by the system.
1.3.1.2 Console Serial Line Unit (SLU)
Each system has a serial line unit (a line on which each bit of information
is sent sequentially on a single channel) connecting the console terminal to
the CPU module. The SLU connector (an MMJ) is located on the CPU cover
panel. The console serial line provides a means of communicating with the
CPU.
1.3.1.3 Main Memory
Main memory provides the physical storage area for data and instructions
used by the CPU. When you start your system, the operating system is
loaded into main memory. Any application programs must also be loaded
into memory.
When the system cannot load everything into memory at once, it reads in
units of data called pages (512 bytes of data) from disk. Having a larger main
memory increases the efficiency of processing, since fewer pages must be
copied to and from disk. Each configuration comes with a standard memory
option that you can upgrade to increase efficiency.
The contents of memory are volatile. This means they are lost when you
turn off power to the system. Use mass storage devices, such as fixed disks
and tape cartridges, to store software and data permanently.

1-24 MicroVAX 3600 VAXserver 3600/3602 Operation

1.3.1.4 Mass Storage Devices and Controllers
Mass storage devices record data on magnetic media. The data recorded is
not lost when you turn off the system, but can be altered or erased if you
record over the data. Use mass storage devices to store data and software
permanently. When the data or software is needed, the CPU copies it from
the mass storage device into main memory. The two primary types of mass
storage devices are fixed disks and devices with removable media, such as
tape cartridges.
Fixed-Disk Drives
Fixed-disk drives are permanently installed in your system. They provide
large-capacity storage for software and data files, as well as rapid access to
the data by the CPU. Your system may have multiple fixed-disk drives.
Devices with Removable Media
Devices with removable media, such as disk packs, tape cartridges, and tapes,
are used as both input and output devices. You use them as input devices
when you install software or copy data to your system. Tape cartridges are
the primary load media for software. You use these devices as output devices
when you copy software or data from your system. You can copy individual
files or programs, or you can copy (back up) the contents of an entire fixed
disk. Tapes and disk packs are commonly used to archive data from systems.
Mass Storage Controllers
All mass storage devices require a controller, a separate module that controls
activity between the CPU and the mass storage devices. The controller for
the fixed-disk drives (the KDA50) and the controller for the TK70 tape drive
(the TQK70) are installed to the left of other modules in the card cage.
1.3.1.5 Power Supplies
The system has two power supplies. The primary power supply provides
power to modules installed in slots 1-6, one or two mass storage devices (the
TK70 tape drive and fixed disk 1, if present), and the two fans. The second
power supply provides power for modules in slots 7-12 and fixed disk 0, if
present.
1.3.1.6 Fans
Two fans located near the bottom of the system draw in air from the top of
the system and pull it down through the modules and out the bottom. The
speed of the fans varies, depending on the surrounding room temperature.
To reduce the load on the fans, keep the system away from heat sources.

System Overview 1-25

I' ~

1.3.2 Optional Components
System options can include multiples of components that are part of the base
system (for example, additional memory modules or disk drives) and the
following kinds of options:
•

Communications controllers

•

Real-time controllers

•

Printer interfaces

1.3.2.1 Communications Controllers
Besides the console serial line, most systems have additional communications
controllers for connecting additional terminals, and for communicating with
other systems over telephone or network lines. Communications controllers
provide standard interfaces between peripheral devices and the system. Many
communications controllers provide support for multiple data lines.
The following types of communications controllers are available:
•

Asynchronous serial controllers

•

Synchronous serial controllers

•

DECservers

•

Network controllers

Serial controllers transmit data one character at a time. A device at the
transmitting end breaks bytes of data into bits. A device at the receiving end
assembles incoming bits into bytes of data.
Asynchronous Serial Controllers
Asynchronous serial controllers provide low-speed connections between
peripheral devices and the system. Asynchronous communication between
the system and the peripheral depends on recognition of a pattern of start
and stop bits, not on a time interval.
Asynchronous serial controllers may be divided into those without modem
support and those with modem support.
You use serial controllers without modem support to connect additional
terminals and printers to your system. For example, the CXA16 module
provides connections for up to 16 serial lines with no modem support.
NOTE: Printers equipped with a microprocessor (intelligent printers) may require
modem control signals to function correctly. Do not attach a printer requiring

1-26 MicroVAX 3600 VAXserver 3600/3602 Operation

modem control signals to a controller with no modem support. Check your printer
documentation to determine the proper communications interface for your printer.
Communications controllers with modem support allow you to communicate
over telephone lines. With a modem connected to your system, you can
access other computers over phone lines and you can dial into your system
from a remote terminal or computer.
Computers transmit digital signals, while telephone lines (with the exception
of digital leased lines) transmit analog signals. When two computers
communicate over telephone lines, a modem is required at both the
transmitting and receiving end of the line. At the transmitting end, the
modem converts digital signals from the computer (or terminal) to analog
signals prior to transmission over telephone .lines. At the receiving end,
another modem converts the analog signals from the telephone line back into
digital signals the computer can understand.
The degree of modem support depends on the number of modem control
signals recognized by the device. Full modem support (according to DIGITAL
standards) requires recognition of eleven signals. The CXY08 module supports
up to eight serial lines with full modem support.

Synchronous Serial Controllers
Synchronous serial controllers provide high-speed connections between
systems.
Communication between synchronous devices depends on
time intervals that are synchronized before transmission of data begins.
Synchronous devices can also have modem support.

DECservers
DECservers are terminal servers (a combination of hardware and software)
that allow you to connect multiple terminals or printers to hosts in an Ethernet
Local Area Network (LAN).
Terminal servers perform the functions of traditional data terminal switches
but multiplex the lines over the Ethernet. Using a DECserver offloads
communications processing from the host system.

Network Controllers
Network communications controllers allow you to connect to an Ethernet
network. With a network connection and appropriate DECnet software, you
can use network services, such as mail; access data stored on other systems;
perform operations, such as editing and printing on remote systems; and
share resources, such as laser printers.

System Overview 1-27

1.3.2.2 Real-Time Controllers
Real-time controllers interface devices that monitor processes, for example,
laboratory equipment or manufacturing equipment connected to the system.
Typically, real-time controllers are parallel devices, not serial devices. Parallel
devices transmit more than one bit of information simultaneously.
1.3.2.3 Printer Interfaces
Some printers require specific interfaces to communicate with the system. For
example, the LGO1 and LG02 require the LPV11—SA interface.
1.3.2.4 Other Available Options
Your system arrives configured with the options you ordered. As your needs
change, you can add more options. Your DIGITAL salesperson can advise
you on available options. MicroVAX 3600 VAXserver 3600/3602 Technical
Information describes the options currently available for MicroVAX/VAXserver
systems. DIGITAL Field Service provides installation for additional options
that you can order.

1-28 MicroVAX 3600 VAXserver 3600/3602 Operation

Chapter 2

Using the System
This chapter describes how to use your system once the system software has
been installed.

2.1 Before You Use a New System
This chapter assumes that your system has been properly installed by a
DIGITAL service representative. Installation includes running the diagnostic
software shipped with your system. To install operating system options or
layered products, see the instructions in your system software installation
manual or layered product installation manual. Some of the instructions may
require you to open the front door of the system to change switch settings.
The remainder of this chapter assumes that system software has been installed.

2.2 Switch Settings
Switch settings vary, depending on the operation being performed. The next
two sections describe switch settings for normal and for special operations.
Set the switches according to your needs.

2.2.1 Normal Operation
Switch settings for normal operation are the following:
•

The Halt button on the mass storage control panel is set to out.

•

The Break Enable/Disable switch on the CPU cover panel is set to disable
(down position). With break disabled, your system automatically boots
system software when powered up. Once system software is installed,
DIGITAL recommends you run your system with breaks disabled to
prevent the user of the console terminal from inadvertently halting the
system by pressing Break on the console terminal. Halting the system
causes all activity to stop.

•

The Power-Up Mode switch on the CPU cover panel is set to Run
(indicated by an arrow).

Using the System

2-1

•

The baud rate switch, located on the inside of the CPU cover panel,
is set to 9600. If you need to change the baud rate, for example, to
use anon-DIGITAL terminal, you .must remove the CPU cover panel.
Instructions on changing the baud rate are in MicroVAX 3600 VAXserver
3600/3602 Technical Information.

•

The write-protect button for each RA-series disk drive is set to out (not
lit).

•

The RUN/STOP button for each RA60/81/82 drive is in. This setting
spins up the drive.1

•

Either the A or B button (or both) for each RA-series drive is in. This
setting puts the drive on-line. The difference between A and B is the
port used for communications between the drive and the controller.

•

On VAXserver 3602 systems, the on/off switch on the secondary cabinet
should always be set to on.

2.2.2 Special Operation
Certain operations require that you change some of the normal operating
settings.
•

If you need the ability to halt the system from the console terminal,
for example, when installing system software or performing certain types
of backup, you can set the Break Enable/Disable switch to enable (up
position). This allows you to halt the system by pressing Break on the
console terminal.
NOTE: When you change the Break Enable/Disable switch from one setting
to the other, you must activate the new setting by resetting the system. To
reset the system, press the Reset button on either power supply. All processes
will be interrupted.

•

If your system has been powered off for more than seven days, the
battery unit that saves the system clock and the language selection may
be depleted. Set the Power-Up Mode switch to Language Inquiry Mode,
indicated by a human profile, before you turn on your system. When
you turn on your system, a Language Selection Menu appears, as shown
in Figure 2-1.

1 If the RUN/STOP button is in at power-up, you must either issue a software command or toggle the
RUN/STOP switch to spin up the drive.

2-2 MicroVAX 3600 VAXserver 3600/3602 Operation

Figure 2-1:

Language Selection Menu

1) Dansk
2) Deutsch
3) English
4) Espanol
5) Fran~ais
6) Italiano

7) Nederlands
8) Norsk
9) Portugu~s
10) Suomi
11) Svenska

(1..11):

MLO-1220-87

Select a language by typing in the number listed next to the language.
Save the language you have selected by rotating the Power-Up Mode
switch to Run Mode, indicated by an arrow. Once the system is booted,
reset the system clock as described in your system software manual.
•

If you want data on a particular fixed disk to be write-protected, you
must set the write-protect switch to in (glows).

NOTE: Disks containing system software and user accounts must remain writeenabled. Disks containing applications or sensitive data may be write-protected.

2.3 Turning On the System
Once you have set the switches appropriately, you are ready to turn on the
system. The sliding plastic window must be fully open. If the window is not
open, turn the key to position 3 and lower the window.
Turn on the system as follows:
1.

Turn on the console terminal and wait for it to complete its self-tests.

Using the System 2--3

Turn on the system by setting the on/off switch on the primary unit to
1. The switch glows to indicate power to the system.
NOTE: If you have a VAXserver 3602 system, the on/off switch on the
secondary unit should always be set to 1. This setting allows the on/ofd
switch on the primary unit to control the entire system.

When you turn on the power, you should see the indications listed in
Table 2-1.

Table 2-1: Normal Power-On Indications
Indicator

Normal Indication

On/Off switch

Glows amber

System DC OK light

Glows green

RA70 Ready lights

Glow green steadily within 60
seconds

RA60/81 /82 Ready lights

Glow white steadily within 60
seconds

RA60/70/81/82 Run lights

Glow yellow

TK70 tape drive indicator lights

Orange, yellow and green
lights glow during self-tests.
The green light remains on.

If you do not observe the indications in Table 2-1, refer to MicroVAX
Troubleshooting and Diagnostics.
Every time you turn on your system, it runs a series of self-tests on the CPU
and memory.
The console terminal first displays a line of information identifying the CPU,
the version of the microcode, and the version of VMB the primary bootstrap
program. In the sample screen shown in Figure 2-2, the CPU is identified
as a KA650—A, the version of the microcode is VO4, and the version of VMB
is 0117. These version numbers may differ from those on your system. The
console terminal then displays a countdown as the system tests itself . When
the self-tests are successful, the system either autoboots system software or
goes into console mode, as described in Section 2.4.1 and Section 2.4.2.
When your system detects an error during its self-tests, it displays an error
summary consisting of several lines of hexadecimal numbers. A DIGITAL
service representative can use the error summary to diagnose the system.

2-4 MicroVA~C 3600 VAXserver 3600/3602 Operation

Depending on the type of error, one or more error summaries may display
on the console terminal. A sample error summary is shown in Figure 2-2.

Figure 2-2: Sample Error Summary

KA650-A VO4/0117
Performing normal system teats.
30. .29. .28. .27. .26. .25. .24. .
704.44 2 08 FF 00 001
002F0000
00000000
00000000
00000080

00000000
00000000
00010000
OlEF0000

00000000
00000000
55555555
20080144

OOFF0000 00000000
OOFF0000 00000000
00000080
00010000 20140770

Testa completed

MLO-1221-87

If possible, print out the error summary and give it to your DIGITAL service
representative.

2.4 Booting the System
You have the option of autobooting the sYstem or booting from console mode.
The setting of the Break Enable/Disable switch determines how the system
boots.

2.4.1 Autobooting the System
When the Break Enable/Disable switch is set to disable, the down position
(the normal operating setting), the system performs self-tests. On successful
completion of the self-tests, the system attempts to load system software. If
the system finds bootable system software, you receive the message "Loading
system software," and a countdown from 2 to 0 displays on the screen, as

Using the System 2-5

shown in Figure 2-3. The boot device (in the example, DUAO) is listed after
number 2.

Figure 2-3: Successful Power-On and Automatic Boot

KA650-A

VO4/0117

Performing normal system testa.
30. .29. .28. .27. .26. .25. .24. .23. .22. .21. .20. .19. .18. .17. .16. .15. .
14. .13. .12. .11. .10. .08. .08. .07. .06. .05. .04. .03. .
Loading system software.
2. .
-DIIAO
1. .0. .

MLO-1222-87

To direct the system to boot automatically from a specific device, put the
system into console mode and use the Set Boot command (SET BOOT devicename). For example, "SET BOOT XQAO" causes the system to boot from the
Ethernet controller. To determine the name of the device that you want to
boot the system from, refer to Table 2-2.

2-6 MicroVAX 3600 VAXserver 3600/3602 Operation

Table 2-2: Console Program Boot Sequence
Controller Type

Controller

Device Name

MSCP (Disk)

KDA50

DJmnl (removable disks)
DUmn (fixed disks)

MSCP (Tape)

TQK70

MUmn

PROM

MRV11

PRAn

Ethernet adapter

DELQA

XQmn

1 m =MSCP controller designator (A = first, B =second, etc.) n =unit number

For more information about the MicroVAX 3600 system's booting process,
refer to MicroVAX 3600 VAXserver 3600/3602 Technical Information.

2.4.2 Booting the System from Console Mode
When the Break Enable/Disable switch is set to enable, the up position,
the system powers up to console mode (indicated by the »> prompt) after
successfully completing its self-tests. Figure 2-4 shows a successful power-on
to console mode.
To load system software from console mode, you must use the BOOT
command (BOOT device-name) at the »> prompt. For example,
»> BOOT MUAO
tells the system to boot software from a cartridge in the TK70 tape drive.
NOTE: To determine the name of the device that you want to boot the system
from refer to Table 2-2.
Software manuals may instruct you to power up with break enabled and to
use the BOOT command.

2.5 Using the System
Once the system software is loaded, the first display for the system software
appears on the console terminal after a few seconds. That display is described
in your system software documentation.

Using the System 2-7

Figure 2-4: Successful Power-On to Console Mode

KAb50-A

VO4/0117

Performing normal system testa .
30. .29. .28. .27. .2b. .25. .24. .23. .22. .21. .20. .19. .18. .17. .1b. .15. .
14. .13. .12. .11. .10. .09. .08. .07. .Ob. .05. .04. .03. .
Testa completed.
»>

MLO-1223-87

You are now ready to use the system. Refer to the system software manual
and application manual for more specific instructions on using the system.
Your system software manuals cover the following:
•

Installing software on your system

•

Running software to perform tasks

•

Making and restoring backup copies of system software or data files

•

Accessing devices and utilities in your system

2.6 Turning Off the System
Do not turn off your system unless it requires maintenance or you know of
a planned power outage.
CAUTION: Turning off your system without following the shutdown procedure
described in your system software manuals may result in loss of data.

2-8 MicroVAX 3600 VAXserver 3600/3602 Operation

Once you have completed the recommended procedure, you can turn off
your system by setting the on/off switch to 0.

2.7 Halting the System
Halting the system interrupts all processes and returns control to the console
program. You may need to halt the system during software installation. Or,
you may want to boot the system from another device; for example, a tape
cartridge containing MicroVAX Diagnostic Monitor (MDM) software.
CAUTION: Halting your system without following the shutdown procedure
described in your system software manuals may result in loss of data.
To halt the system, press in the Halt button located on the mass storage
control panel. When the console mode prompt »> appears on your screen,
the system is halted. Before you can enter console commands, press the Halt
button again to return it to the out position. Now you can enter console
commands. If you inadvertently press the Halt button, type "c ,Return " to
continue.
An alternative way to halt the system is to first set the Break Enable/Disable
switch on the CPU cover panel to enable (indicated by the dot inside the
circle).
NOTE: When you change the Break Enable/Disable switch from one setting to
the other, you must activate the new setting by resetting, the system. To reset
the system, press the Reset button on either power supply. All processes will be
interrupted.
Once the Break Enable/Disable switch setting is enabled, halt the system
by pressing Break on the console terminal. When the console mode prompt
»> appears on your screen, the system is halted. This is the only means of
halting the system on early models of MicroVAX 3600 and VAXserver 3600
systems.
If you inadvertently halt the system by either method, type "c Return " (for
continue) at the console prompt. The processes interrupted by the halt
continue.

2.8 Resetting the System
Resetting the system allows you to return the system to a power-on condition
without turning it off. The usual power-on self-tests are run. Resetting the
system aborts all current and pending operations.

Using the System 2-9

CAUTION: Resetting your system without following the shutdown procedure
described in your system software manuals may result in loss of data.
You reset the system by pressing the Reset button on either power supply.

2-10 MicroVAX 3600 VAXserver 3600/3602 Operation

Chapter 3

Using System Options
This chapter describes how to use options that may already be part of your
system, or that you can add to your system. The following types of options
are covered:
•

Mass storage devices and controllers

•

Communications controllers

•

Real-time controllers

•

Printers

3.1 Mass Storage Options
The following mass storage options are available for MicroVAX 3600 and
VAXserver 3600/3602 systems:
•

RA81/82 fixed-disk drives

•

RA60 removable disk drive

•

RA70 fixed-disk drive

•

TK70 tape drive

•

TS05 tape drive

•

TU81—Plus tape drive

This chapter describes how to use the controls for mass storage devices. In
the case of removable media, it also describes how to insert and remove
the media. To use any mass storage device, you must properly identify
the device to the operating system and use appropriate operating system
commands. Refer to your system software documentation for details.

Using System Options 3-1

3.1.1 RA-Series Disk Drives
RA-series disk drives provide high-volume mass storage for your
MicroVAX/VAXserver system. Your system may have up to three RA devices
mounted within the system cabinet (two RA70 drives in the BA213 enclosure
and one RA82 mounted at the top of the system cabinet) and additional
RA60/81 /82 devices in an auxiliary cabinet (up to a total of four RA-series
devices in all cabinets).
When your system has multiple disks, we recommend that you separate them
according to function. For example, if your system has three disks, you may
want to use them as follows:
•

Disk 0 contains the operating system and applications installed on the
system.

•

Disk 1 contains a data base or files accessible to all users, subject to the
normal file protection explained in your software manuals.

•

Disk 2 contains work areas for each user with an account on the system.

The storage capacities and other specifications of the various disk drives in
the RA series are listed in MicroVAX 3600 VAXserver 3600/3602 Technical
Information.
This section covers the following:
•

RA-series disk drive controls

•

Inserting RA60 disk packs

•

Removing RA60 disk packs

•

Cleaning the RA81/82 filter

3.1.1.1 RA-Series Drive Controls
Controls for the RA60/81 /82 are located on the front control panel of each
device. Controls for the RA70 are located behind the sliding plastic window
on the front door of the system. To access the controls for the RA70 disk
drives, you must turn the key to position 2 or 3 and slide down the plastic
window. Figure 3-1 shows the location of these controls.

3-2 MicroVAX 3600 VAXserver 3600/3602 Operation

Figure 3-1: Location of RA-Series Drive Controls

RA82 CONTROLS

RA70 CONTROLS

MLO-000436

The controls and indicators for all RA-series drives are similar. The control
panels on the RA60, RA81, and RA82 are identical. RA70 controls and
indicators differ slightly. These differences are noted in the descriptions that
follow.
Table 3-1 lists the function of each RA-series disk drive control.

Using System Options 3-3

Table 3--1: RA-Series Drive Controls and Indicators
Control

Position

Function

RUN/STOP
(RA60/81/82)

In (lit)

Spins up the disk drive for use.
The RUN/STOP indicator always lights
When the
when the button is in.
READY light comes on, the disk drive
is ready to use.

Out (not lit)

Spins down the disk drive. When the
RUN/STOP button is out, the drive has
stopped spinning.

Lit

Indicates that the drive is spinning. When the READY light comes on,
the drive is ready to use.

Not lit

Indicates that the drive has stopped
spinning. Since the drive cannot be
spun down in MicroVAX/VAXserver
systems, an unlit RUN light indicates a problem.
Refer to MicroVAX Troubleshooting and Diagnostics for instructions.

Lit

Indicates an error condition within the
disk drive.

Not lit

Indicates an error-free condition within
the disk drive.

Lit

Indicates the disk drive is ready to read
or write information on the disk.

Not lit

Indicates the drive is not ready to
use. The drive could still be spinning up or could be dismounted as a result of a software command.

In (lit)

Disk is write-protected. Prevents system software from writing on the disk.

Out (not lit)

Disk is not write-protected. Normal position for software operation.
System software is free to read or write information on the disk.

RUN (RA70)

FAULT

READY

WRITE-PROTECT

3-4 MicroVAX 3600 VAXserver 3600/3602 Operation

Table 3-1 (Cont.): RA-Series Drive Controls and Indicators
Control

Position

Function

In (lit or unlit)

Normal operating position.
Indicates the disk drive can communicate with the system through port
A. While communication is occurring, the light is lit.

Out (not lit)

Indicates the disk drive cannot communicate with the system through port A.

In (lit or unlit)

Indicates the disk drive can communicate with the system through
port B. While communication is occurring, the light is lit.

Out (not lit)

Indicates the disk drive cannot communicate with the system through port B.

Note that the RA70 always spins up when the system is turned on. You
cannot spin down the drive as you can with the RUN/STOP button on the
RA60/81/82. Both the RUN/STOP and RUN indicator lights are lit when
the spindle is in motion. When both the RUN and READY lights are lit, the
disk drive is available for use.
When the READY light is on, the disk is ready to perform read/write
operations. When the light blinks, the drive is performing continuous seek
operations. (A seek involves moving the heads of the drive to the appropriate
cylinder to read data.) When the READY light is off, the disk is either spun
down (the RUN/STOP light is also off) or disabled by a software command
(the RUN/STOP light is on).
The Write-Protect button controls whether the system can write data to the
disk drive. The system can read from the disk regardless of the setting of
the Write-Protect button. When the Write-Protect button is out (not lit), the
system can write to the disk. Your system disk (the disk containing system
software) and disks containing work areas for users should be write-enabled,
the normal operating setting.
If you want to write-protect a disk containing sensitive data that you do not
want changed or accidentally erased, set the Write-Protect button to in (lit).

Using System Options 3-5

3.1.1.2 Inserting an RA60 Disk Pack
The RA60 removable disk drive is located at the top of the cabinet. You
insert and remove disk packs from the top of the system.
Insert a disk pack as follows:
1. Set the power switch on the system control panel to 1. You cannot open
the RA60 disk drive unless the system is turned on.
2. Make sure the RUN/STOP button is in the out (not lit) position.
3.

Press the cover release button on the RA60 disk drive control panel and
raise the disk drive cover, as shown in Figure 3-2.

Figure 3-2:

Opening the RA60 Disk Drive

FRONT COVER

DISK SPINDLE

COVER RELEASE
BUTTON
MLO-1225-87

RUN/STOP
BUTTON

3-6 MicroVAX 3600 VAXserver 3600/3602 Operation

4. Remove the bottom dust cover from the disk pack canister by squeezing
together the two slide buttons on its underside, as shown in Figure 3-3.
Avoid contact with the exposed disks inside the canister.
Figure 3-3: Removing Bottom Dust Cover from an RA60 Disk Pack
DISK PACK
HANDLE

DISK PACK
CANISTER

BOTTOM DUST
COVER
BOTTOM VIEW

SQUEEZE THESE TWO
SLIDE BUTTONS IN
TO REMOVE BOTTOM
DUST COVER
MLO-1226-87

5. Lifting the canister solely by its handle, set the pack onto the disk spindle.
6. Using one hand to turn the handle and the other to hold the disk pack
stationary, press down on the handle and rotate it to the right until it
stops.
7. Remove the disk pack canister from the disk pack.
8. Place the empty disk pack canister on the bottom dust cover.
9. Close the RA60 drive cover.

Using System Options 3-7

3.1.1.3 Removing an RA60 Disk Pack
Remove an RA60 disk pack as follows:
1.

Press the RUN/STOP button to the out position and wait for the light to
go off.

Press the cover release button on the RA60 control panel and raise the
RA60 drive cover.

3. Center the storage canister over the disk pack so that the post protruding
from the center of the disk pack contacts the canister handle.
4.

Using one hand to turn the handle and the other to hold the disk pack
stationary, press down on the handle and rotate it to the left until the
disk pack is free of the spindle.

5. Using two hands if necessary, lift the disk pack by its handle until it is
free from the spindle. Avoid contact with the exposed disk on the bottom
of the pack.
6. Install the bottom dust cover on the base of the disk pack storage canister
by gently pressing on the cover until it locks in place.
3.1.1.4 Replacing an RA81/82 Air Filter
The air filters on both RA81 and RA82 drives should be cleaned or replaced
every six months. Replace an air filter as follows:
1.

Pull down the access door on the front bezel of the drive. See Figure 3-4.
NOTE: Do not place tools or lean on the open access door. Damage to the
hinge mechanism can result.

2. Grasp the filter and pull outward until it is free of the bezel.
3. Slide the new filter into place inside the bezel.
4. Close the access door.

3-8 MicroVAX 3600 VAXserver 3600/3602 Operation

Figure 3-4: Air Filter Removal
FRONT
BEZEL

DOOR
LATCH
OPERATOR
CONTROL
PANEL

AIR
FILTER

MLO-1227-87

3.1.2 TK70 Tape Drive
The TK70 tape drive is located behind the sliding window in the front of the
system. To use the drive, move the key to the middle or bottom position
and slide down the window.
The TK70 tape drive holds one removable magnetic tape cartridge. The
drive can read data written on either a COMPACTape II or COMPACTape
cartridge. You can identify the type of cartridge by the label on the cartridge.
The COMPACTape II has a blue label strip.

Using System Options 3-9

You can use a COMPACTape II or COMPACTape cartridge as an input device
to load software or data into your system. The TK70 drive can read data
on both types of cartridges, written by either a TK70 drive or a TK50 drive.
(The TK50 drive records data in a format different from that of the TK70.)
You should use a COMPACTape II as an output device to make copies or
backups of software or data. The TK70 drive cannot write to a COMPACTape
II or COMPACTape that has been written by a TK50 tape drive.
The tape drive has two primary controls: the cartridge insert/release handle
(subsequently referred to as "the handle") and the Unload button. You use
the handle to insert or remove cartridges and lock them into position. Pull
the handle open to insert or remove a tape cartridge. Push the handle closed
to lock a tape cartridge into position and load the tape.
You use the Unload button to rewind and unload the tape. Unloading and
rewinding can also be controlled by software. Refer to your system software
manuals for appropriate commands.
The TK70 tape drive also has three indicator lights that let you know the
status of the drive.
•

Orange light (Write-Protected): A steady orange light indicate that the
cartridge is write-protected.

•

Yellow light (Tape in Use): A steady yellow light indicates that the tape
is loaded. A blinking yellow light indicates that the tape is in motion.

•

Green light (Operate Handle): A steady green light indicates that you
can move the handle to insert or remove a tape. A blinking green light
indicates a cartridge load fault. You can also move the handle when the
green light is blinking.

•

All three lights blinking simultaneously indicate a fault condition.

Figure 3-5 shows the TK70 tape drive with the controls and indicator lights
labeled.

3-10 MicroVAX 3600 VAXserver 3600/3602 Operation

Figure 3-5: TK70 Tape Drive
GREEN
YELLOW
ORANGE

UNLOAD

HANDLE

MLO-1228-87

To operate the drive properly, you must carefully monitor the indicator lights.
The instructions for inserting and removing cartridges, which appear later in
this section, tell you what should happen at each step. A table at the end of
the section summarizes light and control combinations.

3.1.2.1 Design of the Drive
The TK70 tape drive operates somewhat like areel-to-reel tape deck. Inside
the drive is a take-up reel with a leader attached. Inside the cartridge is
a single reel containing the magnetic tape. When you insert the cartridge
and push in the handle, the leader in the drive automatically couples with
the leader in the cartridge, and the tape winds onto the take-up reel. The
coupling and winding process is called loading. When the automatic loading
process is complete, the tape is ready to use.

Using System Options 3-11

Once the cartridge is loaded, you cannot remove it without rewinding and
uncoupling the leaders, a process called unloading. Even if you have not
used the tape, you must unload it before you can remove the cartridge. When
you press the Unload button, the tape rewinds into the cartridge and the
leaders uncouple.
3.1.2.2 Labeling a Tape Cartridge
When recording data on a cartridge, label its contents. For your convenience,
a slot for the label is provided on the front of the cartridge. Write the
identification on the label and insert the label in the slot on the front of the
cartridge, as shown in Figure 3-6. The label is visible when the tape is in
the drive.
Figure 3-6: Labeling a Tape Cartridge

LABEL

a9ao

LABEL
SLOT

MLO-1229-87

To indicate that the tape was recorded on a TK70 tape drive, check the box
labeled 296MB. The 95MB box is used for tapes recorded on a TK50 drive.

3-12 MicroVAX 3600 VAXserver 3600/3602 Operation

NOTE: Do not write on the tape cartridge or attach labels to the top, bottom,
or sides of the cartridge.
3.1.2.3 Write-Protecting a Tape Cartridge
Write-protecting a tape cartridge prevents accidental erasure of information
stored on the tape. You can write-protect a tape cartridge in two ways:
•

Set the write-protect switch on the cartridge to the write-protect position.

•

Write-protect the cartridge by using operating system commands described
in your system software manuals.

Your system can read information on the tape regardless of the position of
the write-protect switch or whether writing is software disabled. However,
the system cannot write data to the tape when the write-protect switch is set
to the write-protect position, or when writing is software disabled.
When you use a cartridge to install software, make sure the cartridge is
write-protected. Two icons on the switch indicate the write-protect status, as
shown in Figure 3-7. An orange rectangle is visible when the switch is in
the write-protect position. If you do not see an orange rectangle, slide the
switch toward the label slot.

Using System Options 3-13

Figure 3-7: Tape Cartridge W~ite-Protect Switch

NOT WRITEPROTECTED

WRITEPROTECTED

nn~o-~Zaas~

When you insert awrite-protected cartridge into the drive, the orange indicator
light comes on. The system recognizes the tape as being write-protected under
any one of the following conditions:
•

The write-protect switch on the cartridge is set to the write-protect
position.

•

An operating system command has write-protected the tape.

•

A tape recorded on a TK50 tape drive is inserted into the drive.

Removing write-protection depends on how the tape was recorded and how
it is write-protected. You cannot write-enable a tape recorded on a TK50 tape
drive either by moving the write-protect switch on the cartridge or by using
software commands. The TK70 drive always recognizes a tape recorded on
a TK50 drive as write-protected. You can remove write-protection on tapes
recorded on a TK70 drive as follows:
•

If the cartridge is write-protected only by the write-protect switch on the
cartridge and not the operating system, moving the switch to the

3-14 MicroVAX 3600 VAXserver 3600/3602 Operation

write-enabled position causes the orange light to go out at the end of the
executing command.
•

If the cartridge is write-protected only by a software command and not
the write-protect switch, removing the operating system restriction causes
the orange light to go out.

•

If the cartridge is write-protected by both the switch on the cartridge and
a software command, you must change the switch setting and remove
the operating system restriction.

When you use a COMPACTape II cartridge to make a backup copy of files,
make sure the orange write-protect light is off. If the light is not off, check
for any of the write-protect conditions described above. Change the switch
setting and/or operating system restriction as necessary. Do not begin your
operation until the orange light goes off .
3.1.2.4 Tape Cartridge Handling and Storage Guidelines
•

Do not touch the exposed surface of the tape.

•

Do not drop the tape cartridge. The impact from a fall can damage the
tape cartridge.

•

Allow new tapes to stabilize at room temperature for 24 hours before
using them.

•

Place an identification label only in the label slot on the front of the tape
cartridge.

•

Store tape cartridges in a dust-free environment.

•

Keep tape cartridges away from direct sunlight, heaters, and other sources
of heat. Store tape cartridges in a stable temperature between 10° and
40° Celsius (50° and 104° Fahrenheit).

•

Store tape cartridges where the relative humidity is between 20 and 80
percent.

•

Keep tape cartridges away from magnets and equipment that generates
magnetic fields, such as motors, transformers, terminals, and audio
equipment.

•

Keep tape cartridges away from x-ray equipment.

Using System Options 3-15

3.1.2.5 Inserting a Tape Cartridge
Before you use the tape drive, make sure the system is turned on (the power
switch glows). During power-up, the TK70 drive runs self-tests that last a few
seconds. All three lights (orange, yellow, and green) come on momentarily,
then the yellow light blinks during the self-tests. At the end of the tests, the.
yellow light goes off and the green light comes on, accompanied by a short
beep. The green light and the beep indicate that you can move the cartridge
release handle.
CAUTION: Move the handle only when the green indicator light is on. Moving
the handle while the yellow light is on could damage the drive. If all three lights
blink rapidly at any time, a fault condition exists. Press the Unload button once.
If the fault is cleared, the tape unloads. The yellow light blinks during unloading,
then the green light comes on. If the fault is not cleared, the three lights continue
to flash. Do not attempt to use the tape drive or to remove the tape cartridge.
Call your DIGITAL service representative.
Use the following procedure to insert a tape cartridge (see Figure 3-8):
1.

Pull the handle open.

Position the cartridge so the arrow on the cartridge faces left and points
toward the drive. Insert the cartridge into the TK70 tape drive until you
feel the cartridge lock into place.

Push the handle closed.
The green light goes off and the yellow light blinks as the tape loads.
When the yellow light glows steadily, the tape is ready to use.
NOTE: If the green light blinks rapidly when you push the handle closed,
the drive has detected a cartridge fault. Pull the handle open and remove
the cartridge. Use another cartridge.

3-16 MicroVAX 3600 VAXserver 3600/3602 Operation

Figure 3-8: Inserting a Tape Cartridge

MLO-1231-87

Refer to your system software manual for instructions on how to use the tape
cartridge, for example, how to load software or perform backup.
NOTE: If a cartridge is new, the drive performs a calibration sequence that
takes approximately 30 seconds when the drive receives the first command from
the operating system. The yellow light blinks rapidly and irregularly during
calibration.

Using System Options 3-17

3.1.2.6 Removing a Tape Cartridge
You must unload a tape before you can remove the cartridge from the tape
drive. Use the following procedure (see Figure 3-9):
1. Press the Unload button. You can also issue a software command to
unload the cartridge. Refer to your system software manuals for the
appropriate command.
The yellow light blinks slowly, as the tape rewinds and unloads into the
cartridge. This may take up to 90 seconds.
2. When the yellow light goes off and the green light comes on (you also
hear a beep), pull the handle open.

CAUTION: Move the handle only when the yellow indicator light is off
and the green indicator light is on. Moving the handle while the yellow light
is blinking could damage the drive.
3. Remove the tape cartridge and store it in its container.
4. Push the handle closed.
The green light remains on, indicating that there is power to the drive and
that you can safely move the handle.

CAUTION: Remove the tape cartridge from the tape drive when the cartridge
is not in use or before you turn off the system. Failure to remove the cartridge
may damage the tape cartridge.

3-18 MicroVAX 3600 VAXserver 3600/3602 Operation

Figure 3-9: Removing a Tape Cartridge

YELLOW
LIGHT
BLINKS
UNLOAD
BUTTON
~~~3
•

r; . ~/ ~
0
/;;•
o°'

MLO-1232-87

Using System Options 3-19

3.1.2.7 Summary of TK70 Tape Drive Controls and Indicator Lights
Table 3-2 summarizes the TK70 tape drive controls. Table 3-3 describes the
meaning of the indicator lights.

Table 3-2: TK70 Tape Drive Controls
Control

Position

Function

Handle

Open

Lets you insert or remove a tape after rewind and unload operations are completed.

Closed

Locks tape in operating position and begins load sequence.

Momentary contact switch

Rewinds and unloads the tape.

Unload button

Table 3-3: TK70 Tape Drive Indicator Lights
Orange

Yellow

Green

Condition

Off

No power to the tape
drive.

Off

On steadily

Safe to move cartridge release handle.
Power is present.

Off

Blinking

Load fault. The cartridge leader may be
defective.
Pull out
the handle and remove the cartridge. Do
not use the cartridge.

On/Off

On steadily

Off

Tape is loaded but not
in motion.

On/Off

Blinking

Off

Tape is in motion.

On steadily/
blinking

Cartridge is write-protected.

3-20 MicroVAX 3600 VAXserver 3600/3602 Operation

Table 3-3 (Cont.): TK70 Tape Drive Indicator Lights
Orange

Yellow

Green

Condition

Blinking

A fault is occurring.
Press the Unload button to unload the tape
cartridge. If the fault is
cleared, the yellow light
blinks while the tape
rewinds.
When the
green light comes on,
you can move the handle to remove the cartridge. If the fault is
not cleared, all three
lights continue to blink.
Do not attempt to remove the tape cartridge. Call your DIGITAL service representative.

3.1.3 TS05 Tape Drive
The TS05 tape drive provides 40 Mbytes of storage for backup of data. The
drive is mounted in an auxiliary cabinet, as shown in Figure 3-10.

Using System Options

3-21

Figure 3-10: TS05 Tape Drive and Controls

~OD6D~D TSOS

0 0 0 0 0
~ ~ ~ O ~
lOAO UNLOAD ON LINE WRITE
TEST
REWIND

ENTER

,
~
POWER

3.1.3.1 Controls and Indicators
The TS05 tape drive has an on/off power switch and five tactile switches,
each with an indicator light. When the drive is powered on, all indicators
light for approximately two seconds. When all the indicators except the
UNLOAD indicator go out, the tape unit is ready to be loaded. Figure 3-10
shows the controls and indicators used to operate the drive.
Each control has an associated indicator light. Table 3-4 lists the functions
of the controls and indicators.

3-22 MicroVAX 3600 VAXserver 3600/3602 Operation

Table 3-4: TS05 Tape Drive Controls and Indicators
Control/Indicator Function
LOAD/REWIND

Control—Starts load sequence and advances tape to load point.
Rewinds the tape to load point.

LOAD/REWIND

Indicator—Blinks when the tape drive is executing a load
or rewind sequence.
Lit continuously when the beginning of tape (BOT) marker is sensed.

UNLOAD

Control—Causes the tape to be unloaded regardless of tape position.

UNLOAD

Indicator—Blinks when the tape drive is executing an unload sequence.
Lit continuously when the tape drive has completed its unload sequence and the front access door is unlocked. At
this time, the tape may be removed and another tape inserted into the drive.
Lit continuously after a
ing atape may be loaded.

ON LINE

successful

power-up,

indicat-

Control—Places the tape drive off-line and extinguishes the indicators.
Places
tors.

the

tape

drive

on-line

and

lights

the

indica-

ON LINE

Indicator—Lit when the drive is ready and on-line.

TEST

Control—Operational only in the test mode. Selects alternative operational modes for other switches. For the use of qualified service personnel only.

WRITE

Indicator—Lit when the write-enable ring is installed and data
may be written on the tape.
When indicator is off, write-enable
stalled and tape is write-protected.

ENTER

ring

not

in-

Control—Used for manual loading, and controlling the test mode.
For qualified service personnel only.

Using System Options 3-23

3.1.3.2 Inserting Write-Enable Ring
Before mounting the reel of tape onto the supply hub, determine whether
or not write operations are to be performed on the tape. If yes, place a
write-enable ring into the bottom recessed portion of the reel, as shown in
Figure 3-11. When the reel is prepared, proceed with loading the tape.
Figure 3-11: Inserting Write-Enable Ring
WRITEENABLE
RING

WRITEENABLE
RING
GROOVE

MLO-1234-87

3.1.3.3 Loading Tape
Load the tape as follows:
NOTE: Most tapes have some form of stick-on tab or rubber block to prevent
the tape from unwinding during shipment or storage. Remove these items so that
the tape leader is free to unwind during the autoloading sequence.
1. Make sure the tape is wound completely onto the reel, and the writeenable ring, if present, is fully seated.
2. Open the front door by gently pressing down on the top center of the
door.

3-24 MicroVAX 3600 VAXserver 3600/3602 Operation

3. Hold the tape reel with the write-enable ring side down. Insert the reel
into the drive, centering it on the hub. (See Figure 3-12.)
4. Close the front door.
5. Press the LOAD/REWIND switch. This locks the cover and the door,
and begins the loading sequence.
6. The LOAD indicator blinks while the tape is being loaded. Typically
after 30 seconds, the LOAD indicator stops blinking and remains lit. This
indicates that the tape is loaded and the tape drive is ready to use.
7. Press the ON LINE switch to place the tape drive under the control of the
host computer. The ON LINE indicator lights when the TS05 is on-line.
Figure 3-12: Loading the TS05 Tape Drive

MLO-1235-87

Using System Options 3-25

3.1.3.4 Rewinding Tape
During normal operation, you do not need to rewind the tape, as tape
movement is under program control. However, under unusual circumstances,
such as a host system failure or a loss of communications with the host, you
may wish to rewind the tape under local control. Rewind the tape as follows:
1.

If the tape drive is on-line (ON LINE indicator is lit), press the ON LINE
switch once to place the drive off-line.

Press the REWIND switch. The LOAD/REWIND indicator blinks while
the tape is being rewound, then remains on continuously when the
beginning-of-tape (BOT) is reached.

3.1.3.5 Unloading Tape
To unload a tape from the drive, do the following:
1.

If the tape drive is on-line (the ON LINE indicator is lit), press the ON
LINE switch once to place the drive off-line.

Press the UNLOAD switch. The UNLOAD indicator blinks while the
tape unloads. When the unloading process is complete, the UNLOAD
indicator lights continuously, and the front door is unlocked. Atypical
unload sequence from BOT takes 15 seconds.

Open the front door and lift the tape reel out of the tape drive.

Close the front door.

3.1.3.6 Restarting the Tape Drive
The TS05 shuts down when there is a power failure, or when it detects a
hard error condition. You may need to restart the system in either of these
cases.
When power is interrupted, the drive automatically shuts down and tape
motion stops without any damage to the tape. When power is restored, the
TS05 powers up in the Unload mode. You must press either the LOAD or
the UNLOAD switch, depending on what you want to do with the tape.
Follow the instructions in the previous sections for loading or unloading the
tape.
When the TS05 encounters an error condition from which it cannot
automatically recover, it stops tape movement and displays a series of blinks
on the indicators. If this happens, switch off the TS05 power, switch it back
on again, and then press the UNLOAD switch. After the UNLOAD indicator
stops blinking, remove the tape and call your DIGITAL service representative.

3-26 MicroVAX 3600 VAXserver 3600/3602 Operation

The MicroVAX Troubleshooting and Diagnostics manual lists other actions you
may take if your tape drive does not operate as described.

3.1.3.7 Care of Magnetic Tapes
To avoid damage to the tape or drive, use the following guidelines when
handling or storing tapes:
•

Do not expose tapes to dust or excessive heat.

•

Always store tape reels inside containers when the tape is not in use.

•

Never touch the portion of tape between the beginning-of-tape (BOT)
and end-of-tape (EOT) markers; oil from fingers attracts dust and dirt.

•

Never use a contaminated reel of tape; this spreads dirt to the clean tape
reels and could adversely affect tape drive reliability.

•

Always handle tape reels by the hub hole; squeezing the reel flanges
leads to tape edge damage when winding or unwinding tapes.

•

Do not smoke near the tape drive or storage area; smoke and ash are
especially damaging to tapes.

•

Do not place magnetic tape near line printers or other devices that produce
paper dust.

•

Do not place magnetic tape on top of the tape drive or in any other
location where it may be affected by hot air.

•

Do not store magnetic tape near electric motors.

Using System Options 3-27

3.1.4 TU81—Plus Tape Drive
The TU81—Plus tape drive provides 140 Mbytes of storage (in high-density
mode) for backup of data. The drive is mounted in the top of an auxiliary
cabinet, as shown in Figure 3-13.

Figure 3-13: TU81—Plus Tape Drive and Controls
INDICATOR
SWITCH

MAINTENANCE

r
0

OHIGH
DENSITY

FILE PRO

LOGIC
OFF ~

80T

LOAD
REWIND

ON LINE
0

LOGIC
ON

UNLOAD

^---~

FRUIT
RESET

Q
DIAGNOSTICS
111 1 1 1
1 1 1_1 1~1

TEST

STEP

ExECUTE

' CE

THREE -DIGIT
LED
DISPLAY

OPERATOR

MLO-1236-87

3.1.4.1 Controls and Indicators
Controls and indicators on the TU81—Plus control panel are grouped by
function into service, operator, and maintenance use. The left part of the
control panel provides special-purpose switches, connectors, and indicators
for the use of DIGITAL service representatives. Part of the service control
panel is behind a small hinged door. Figure 3-13 shows the operator and
maintenance portions of the control panel.

3-28 MicroVAX 3600 VAXserver 3600/3602 Operation

The operator portion of the control panel contains switches, indicator lights,
and a LED display. The 3-digit display shows the unit number during
normal operation. If an error occurs, either during on-line operation or offline diagnostic routine, the display indicates a 3-character error code. While
running the off-line resident diagnostic, the display shows the number of the
test in progress.
The maintenance portion of the panel contains the switches and lights for
running the resident diagnostic test routines. These test routines are described
in TU81—Plus documentation.
Table 3-5 summarizes the operator controls.

Table 3-5: TU81—Plus Tape Drive Operator Controls and Indicators
Control/Indicator Function
LOGIC OFF

Indicator—When lit, LOGIC OFF indicates a power fault condition. The tape drive power supply has failed.

LOGIC ON

Indicator—When lit, LOGIC ON indicates a normal poweron condition with all do voltages applied to the drive's control system and circuits.

BOT

Indicator—When lit, indicates tape is positioned at beginning-oftape (BOT) marker.

LOAD/REWIND

Switch—If the drive is powered on, and a tape is threaded, pressing this switch causes a load operation to be performed. If a
tape is loaded, pressing LOAD/REWIND causes a rewind operation to BOT.

UNLOAD

Switch—If tape is loaded at BOT, pressing UNLOAD causes
the tape to unload from the take-up reel onto the supply reel. If the tape is loaded beyond BOT, it rewinds to
BOT. If the tape is threaded, but not loaded, pressing UNLOAD causes the drive to slowly unload the tape onto the supply reel.

ON LINE

Switch—If the tape is loaded, pressing ON LINE causes the drive
to go on-line and become accessible to the host system. Pressing RESET places the drive off-line.
Indicator—When lit, indicates that the TU81—Plus is online. All switches except RESET are disabled.

Using System Options 3-29

Table 3-5 (Cont.): TU81—Plus Tape Drive Operator Controls and Indicators
Control/Indicator Function
FILE PRO

Indicator—When lit, indicates absence of awrite-enable ring.
Write operations are not allowed.

HIGH DENSITY

Indicator—When lit, indicates that the transport is selected by the host system for Group Code Recording (GCR) operation.

RESET

Switch—When pressed, RESET places the drive offline, stops tape motion, and clears error status. The switch can
stop a load or rewind operation. It also turns off the RESET indicator and clears diagnostic test conditions.

FAULT/RESET

Indicator—When lit, indicates that the drive is in a fault or diagnostic status. A 3-digit display may contain a fault or diagnostic code.

3.1.4.2 Inserting Write-Enable Ring
Before mounting the reel of tape onto the supply hub, determine whether
or not write operations are to be performed on the tape. If yes, place a
write-enable ring into the bottom recessed portion of the reel, as shown in
Figure 3-14. When the reel is prepared, proceed with loading the tape.

3-30 MicroVAX 3600 VAXserver 3600/3602 Operation

Figure 3-14: Inserting Write-Enable Ring
WRITEENABLE
RING

WRITEENABLE
RING
GROOVE

MLO-1237-87

3.1.4.3 Tape Threading and Loading
Before threading and loading the tape, you must open the top cover of the
drive. Pull the cover latch toward the front and lift the top access door. Refer
to Figure 3-15.
Refer to Figure 3-16 and Figure 3-17 as you follow the steps for threading
and loading the tape.

Using System Options 3-31

Figure 3-15:

Opening the TU81—Plus Cover
TU81-PLUS
TAPE
6ECK

COVER
LATCH

CONTRO L
PANEL

MLO-1238-87

3-32 N~icroVAX 3600 VAXserver 3600/3602 Operation

Figure 3-16:

TU81—Plus Tape Deck

MAGNETIC
HEAD
ASSEMBLY

\\
\ice
~i

SUPPLY
REEL

TOP COVER
INTER LOCK
SWITCH

POWE R
SWITCH

TAKE-UP
REEL

MLO-1239-87

Thread and load a tape as follows:
1.

Make sure the power switch on the drive is set to 1 (on).

Press the center button on the face of the supply-reel hub.

Mount the supply reel onto the hub so that the reel is seated on the
bottom flange. Secure the reel by pressing the periphery of the hub face
to latch the reel.

Thread the tape through the tape path, as shown in Figure 3-17.

Using System Options

3-33

Figure 3-17:

Tape Path

SUPPLY
REEL

TAKE-UP
REEL

MLO-1240-87

Wrap the tape leader onto the take-up reel for several turns. Make sure
you do not wrap the BOT marker (a pressure-sensitive foil label that
indicates the beginning-of-tape to the drive) onto the reel.
CAUTION: Make sure that the tape is positioned correctly over all tape
path components; otherwise, tape damage may occur.

Close and latch the top cover.

Press the LOAD/REWIND switch. In one second, air pressure builds at
the air bearings and the tape starts moving forward. This motion stops
when the BOT marker on the tape is detected. When the BOT marker is
detected, the BOT indicator is lit. If the drive does not detect the BOT
after 40 feet, it reverses itself until the BOT marker is detected.
NOTE: If LOAD fails and the tape does not move to BOT, check for the
BOT marker on the tape. If the marker is missing, attach a new one.

3-34 MicroVAX 3600 VAXserver 3600/3602 Operation

Press the ON LINE switch to make the drive available to the host. You
can press ON LINE while a load operation is in progress. When the load
operation is complete, the ON LINE indicator comes on. The drive is
ready for use.

3.1.4.4 Tape Unloading
Generally, tapes are unloaded by a software command when the drive is
on-line to a host. However, you can unload the drive manually as follows:
1.

Press the FAULT/RESET switch to place the drive off-line.

2. Press the UNLOAD switch. The tape rewinds onto the supply reel. If
the tape is loaded beyond the BOT marker, the tape rewinds to BOT and
the BOT indicator comes on. Press UNLOAD again to wind the tape
onto the supply reel. If the tape is at BOT (the BOT indicator is lit) press
UNLOAD to wind the tape onto the supply reel. If the tape is threaded
but not loaded, press UNLOAD to wind the tape onto the supply reel.
3. Open the top cover and press the center button of the supply-reel hub.
The hub unlatches and you can remove the supply reel.
4. Close the top cover to prevent dust accumulation on the tape deck
components.
3.1.4.5 Corrective Actions
If the fault condition occurs, the RESET indicator on the control panel comes
on and a fault code displays. Refer to Table 3-6 for the appropriate action
to take.

Using System Options 3-35

Table 3-6: TU81—Plus Corrective Actions
Fault Code

Corrective Action

E01-E09

Clean magnetic head and tape path.

E10

Ensure the top cover is securely closed.

E11

Thread tape.

E12

Latch supply reel hub.

E13

Thread tape correctly as shown in Figure 3-17.

E14

Check for BOT marker on tape. Attach BOT/EOT marker.

E15

Indicates the RESET switch was pressed inadvertently by the operator. Reinitiate test.

E16

Check for the presence of write-enable ring in supply tape reel. Install the ring if not present.

E17

Check for presence of EOT marker. Attach EOT marker.

E18

Indicates that the tape was loaded when the test was initiated. Thread the tape, but do not press the LOAD switch.

E20-E29

Mount a tape of known good quality.

All others

Report the fault code to your DIGITAL service representative.

3.2 Communications Controller Options
The following types of communications controllers are available for MicroVAX
3b00 and VAXserver 3600/3602 systems:
•

Asynchronous serial controllers (with or without modem support)

•

Synchronous serial controllers (with or without modem support)

•

Network controllers

3.2.1 Asynchronous Serial Controllers
The following asynchronous controllers are available for the MicroVAX
3600/VAXserver 3600 system with and without modem support:
•

CXA16

•

CXB16

3-36 MicroVAX 3600 VAXserver 3600/3602 Operation

•

CXY08

•

DFA01

•

DSRVB

3.2.1.1 Without Modem Support
Before using any peripheral device connected to a serial communications
controller, check the following:
•

Make sure the peripheral device is properly connected to the system.

•

Make sure the peripheral device is properly installed, plugged into an
appropriate power source, and turned on.

•

Make sure the peripheral device is properly set up. Set-up involves
choosing how the device operates. Some set-up choices are matters of
personal choice; for example, the number of columns that display on a
terminal screen. Others, like baud rate (a measure of the speed at which
data is transmitted over a data line), must match the system setting if the
peripheral device and system are to communicate.
You choose set-up options from a series of menus that display when you
press the Set-Up key on the terminal keyboard. Set-up instructions for
terminals vary according to model, or, in some cases, according to which
read-only memory (ROM) cartridge is installed in your terminal. Be sure
to read the documentation provided with your terminal.
While most default settings are acceptable, you should perform the set-up
procedure for your terminal to ensure appropriate set-up values.
While most default settings are acceptable, you should perform the setup procedure for your terminal to ensure appropriate set-up values. The
two examples below provide set-up instructions for VT300-series and
VT200-series terminals:
For VT300-series terminals:
1.

Press Set-Up to display the Set-Up Directory screen.

Use the arrow keys to select the "Communications Set-Up" option
and press Enter

3. Make sure the "Transmit Speed" option in the "Current Setting"
column is set to 9600. Use the left and right arrow keys to change
the setting.

Using System Options

3-37

Make sure the "Receive Speed" option in the "Current Setting" column
is set to "receive=transmit." Use the down arrow to move the cursor
to this option, and the left and right arrows to change the setting.

5. Press Select to return to the Set-Up Directory screen.
6.

Use the arrow keys to select the "Global Set-Up" option and press
Enter

7. Select the option "Comm Port".
8.

If the port in the "Current Settting" column is selected for "RS-232",
press Enter to select the "DEC-423" port.

Press Select to return to the Set-Up Directory screen.

10. Use the arrow keys to select the "Save Current Settings" option. Press
Enter to save all current settings; then press Set-Up to exit the Set-Up
Directory.
For VT200-series terminals:
1.

Press Set-Up to display the Set-Up Directory screen.

Use the arrow keys to select the "Default" option and press Enter,
Default correctly sets all values except transmit speed.

Use the arrow keys to select the "Comm" option and press ,Enter to
display the Communications Set-Up menu.

Use the arrow keys to select the "Transmit" option and, using Enter
set the speed to 9600.

Use the arrow keys to select the "To Directory" option and press
Enter

Use the arrow keys to select the "Save" option and press Enter; this
option stores the set-up values. Then press Set-up to exit the Set-Up
Directory.

Your operating system may have other requirements for using serial
communications devices. Refer to your system software manual.
3.2.1.2 With Modem Support
Using serial devices with modem control support requires that you install
two modems: one connected to the system and one connected to the remote
terminal. Both must be connected to phone lines.

3-38

MicroVAX 3600 VAXserver 3600/3602 Operation

Before using modems with your system, check the following:
1. Make sure each modem is connected to the system.
2. Make sure the modem is properly installed and connected to a phone
jack.
3. Set controls on the modem according to instructions in the modem user's
guide.
Before using the modem connected to the remote terminal, check the
following:
1. Make sure the modem is properly installed and connected to a phone
jack.
2. Set controls on the modem according to instructions in the modem user's
guide.
3. Check the settings on the terminal attached to the modem. Depending
on the type of modem and the type of lines used, the baud rate may be
300, 1200, or 2400. Other settings should be the same as those described
in the previous section.
Before using a line with modem support, you must set certain parameters
such as line speed. See your system software manuals for details.

3.2.2 Synchronous Controllers
The following synchronous controllers are available for the MicroVAX
3600/VAXserver 3600 system:
•

DPV11

•

KMV1A

Before using a synchronous controller, you must verify the following:
•

The system you want to communicate with has an appropriate synchronous controller. Synchronous communications require a synchronous
controller on both the transmitting and receiving systems.

•

Both the transmitting and receiving systems must have supporting host
software installed. Synchronous communications operate under specific
protocols that define how data is interpreted. Two common protocols
are X.25 and PSI. Appropriate host software is required to interpret the
protocol.

Using System Options 3-39

3.2.3 Network Controllers
Before using a network controller you must do the following:
1.

Make sure the transceiver cable connected to the DELQA module in the
system is properly connected to the network in one of the following
ways:
•

To an H4000 transceiver located on a traditional Ethernet

•

To a DELNI, which can be connected to a larger Ethernet or which
can serve to connect up to eight systems in a local area network

•

To a DESTA, an adapter that enables you to connect to a ThinWire
Ethernet

Have the DECnet application installed on your system.

Some software products, for example, Local Area VAXcluster (LAVc) software,
use the Ethernet hardware address of other systems to operate properly.
To find the hardware address of your Ethernet device, use the command
SHOW ETHER from console I/O mode. The hardware address of your
Ethernet device displays on the terminal, as shown in the following example:
»> SHOW ETHER
08--00--2B--03--50--5C

Refer to your system software manuals and DECnet manuals for other
requirements and further instructions on using a network connection.

3.2.4 Real-Time Options
The following real-time options
3600/VAXserver 3600 system:
•

DRQ3B

•

DRV1W

•

IEQ11

•

IBQO1

•

AAV11—S

•

ADV11—S

are

3-40 MicroVAX 3600 VAXserver 3600/3602 Operation

available

for

the

MicroVAX

•

KWV11—S

•

AXV11

•

ADQ32

Before using areal-time controller, make sure the devices connected to the
controller are properly set up. Refer to documentation for the real-time
device.

3.2.5 Printer Options
Before using a printer, make sure it is properly set up and passes any selftests. Verify that the printer is connected to an appropriate controller. Some
printers, such as the LGO1 and LG02, require LPV11—SA interface. Other
printers require modem control signals. Consult your printer documentation
for the interface requirements.

3.3 Adding New Options
If you have available slots, you may be able to add new modules to your
system. Possible limitations to adding new modules include the following:
•

Power limitations

•

Physical space limitations

•

Bus limitations (ac/dc loading)

Your DIGITAL sales representative can advise you about modules available for
your system and what you need to order. A DIGITAL service representative
should perform the installation, since the system must be properly configured
to work correctly.
CAUTION: Do not attempt to remove, rearrange, or install new modules.
Contact a DIGITAL service representative for assistance. If you want to perform
maintenance on your system, purchase the MicroVAX 3500 and MicroVAX 3600
Systems Maintenance Update.

Using System Options 3-41

Appendix A