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EK-RZ26B-IN-A01

October 1992

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Document:	RZ26B Fixed Disk Drive in the VAXstation 4000
Order Number:	EK-RZ26B-IN
Revision:	A01
Pages:	6
Original Filename:

OCR Text

The RZ26B Fixed Disk Drive in the VAXstation 4000
EK–RZ26B–IN. A01
October 1992
This documentation package contains the following information
for the RZ26B fixed disk drive:
•

Illustration of the RZ26B drive

•

SCSI ID settings

•

Verifying the installation

•

Drive specifications

Your VAXstation 4000 Options Installation Guide explains how to
install disk drives in your system. You will need this document
to set the correct SCSI address for the RZ26B disk.
Insert this document into your VAXstation 4000 Options
Installation Guide (in the fixed disk drives chapter) for future
reference.
Compatibility
The RZ26B can be installed only in the Model 60 and
Model 90.

© Digital Equipment Corporation 1992. All rights reserved.
The following are trademarks of Digital Equipment Corporation:
TURBOchannel, VAXstation, and the Digital logo.
S2109

The RZ26B Fixed Disk Drive

The RZ26B Fixed Disk Drive
Preparing Your
System

Setting the
SCSI ID

Use the instructions in the VAXstation 4000 Options Installation
Guide to:
•

Shut down your system

•

Remove the system unit cover

•

Prevent static discharge by touching the ‘‘Touch Me First’’
label on the power supply

Before you begin installation of your RZ26B drive, enter the
SHOW CONFIG command to find the current SCSI IDs of your
devices. In the following example, SCSI IDs 0 and 5 are being
used:
>>>SHOW CONFIG
DEVNBR
DEVNAM
INFO
_____________________________________________
10

SCSI

OK
0--RZ24 5--TZK10

Make a note of the SCSI IDs of your devices.
Refer to Figure 1 to choose a SCSI setting for your drive. Digital
recommends SCSI settings 0, 1, 2, and 3 for fixed disk drives.
Each device must have a unique SCSI ID. Never set two or more
devices to the same SCSI ID; the system will not be able to
communicate with the devices.
SCSI ID 6 Reserved
Do not use SCSI ID 6 for your drive. It is reserved for
the controller.

The RZ26B Fixed Disk Drive

Figure 1 SCSI Settings on the RZ26B Fixed Disk Drive

2
0 1

SCSI
Address
Settings: 0

MLO-009802

Installing the
Drive

Follow the instructions in the VAXstation 4000 Options
Installation Guide to install this drive.

The RZ26B Fixed Disk Drive

Verifying the
Installation

Enter the SHOW CONFIG command to verify that your
installation was successful.
>>>SHOW CONFIG
DEVNBR
DEVNAM
INFO
_____________________________________________
10

SCSI

OK
0--RZ24

2--RZ26B

5--TZK10

In this example the RZ26B drive was set to SCSI ID number 2.

RZ26B Fixed Disk Drive Specifications
Capacity

Table 1 provides the capacity specifications for the RZ26B fixed
disk drive.
Table 1 RZ26B Fixed Disk Drive Storage Specifications
Formatted Storage Capacity

Per drive

1.05 GB

Per surface

80.9 MB

Bytes per block

512

Blocks per track

56 to 96

Blocks per drive

50,860

Spare cylinders

Buffer size

256K

RZ26B Fixed Disk Drive Specifications

Performance

Table 2 provides performance specifications for the RZ26B fixed
disk drive.
Table 2 RZ26B Performance Specifications
Performance Variable

Operating Conditions

Data transfer rate to/from
media

2.6 MB/sec to 4 MB/sec

Data transfer rate to/from
buffer

2.5 MB (asynchronous) to 5 MB
(synchronous)

Seek time track to track

2.5 msec

Seek time average

10.5 msec

Seek time maximum (full
stroke)

22 msec

Average latency

5.56 msec

Rotational speed

5400 rpm

Start time

14 ms (nominal) 20 MS
(maximum)

Stop time

20 ms (maximum)

Interleave

1:1

RZ26B Fixed Disk Drive Specifications

Operating
Conditions

Table 3 provides the operating conditions for the RZ26B fixed
disk drive.
Table 3 RZ26B Drive Operating Conditions

Nonoperating
Conditions

Environmental Variable

Operating Conditions

Ambient temperature

5°C to 50°C (41°F to 122°F)

Relative humidity

8% to 80%

Altitude

-1000 ft to 10,000 ft above sea
level

Maximum wet bulb

28°C

Heat dissipation

12.1 W (on idle)

Temperature gradient

12° C per hour

Table 4 provides the nonoperating conditions for the RZ26B fixed
disk drive.
Table 4 RZ26B Drive Nonoperating Conditions

Environmental Variable

Nonoperating Conditions

Ambient temperature

-40°C to 65°C (-40°F to 149°F)

Relative humidity

5% to 90%

Altitude

-305 M (-1000 ft) to 15,240 M
(50,000 ft) above sea level

Maximum wet bulb

28°C

Temperature gradient

30° C per hour