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EK-BA42A-IN-004

February 1992

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Document:	BA42 Storage Expansion Box Installation Guide
Order Number:	EK-BA42A-IN
Revision:	004
Pages:	163
Original Filename:

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895994

EK-BA42A-IN-004

BA42 Storage
Expansion Box
Installation Guide

digital equipment corporation
maynard, massachuselts

Fourth printing, February 1992
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 described in this document is furnished under a license and may be
used or copied only in accordance with the terms of such license.
Digital Equipment Corporation agsumes no responsibility for the use or reliability
of its software on equipment that is not supplied by Digital or its affiliated
companies.

U.S.A

This equipment 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 rcaesonable protection against such radio frequency
interference. Operation of this equipment in a residential area may cause
interference in which case the user at his own expense will be required to take
whatever measures may be required to correct the interference.

The following are trademarks of Digital Equipment Corporation:

CompacTape

MicroVMS

VAXcluster

DEC

PDP

VAXstation

DECnet
DECstation
DECsgystem

ULTRIX
ULTRIX-32
UNIBUS

DECUS

VAX

MicroVAX

VAXBI

VMS
VT

aifa)i1/al1

MS-DOS is a registered trademark of Microsoft Corporation. SCO is a trademark
of Santa Cruz Operations, Inc. UNIX is a trademark of Unix System Laboratories,

Inc.

Contents

Using ThisGuide ...........................................

xil

Installing BA42 Storage Expansion Boxes
.. ... .....
.....
... ...
Checking Your Shipment . ......
Setting Up Expansion Boxes .. .........................
Determining Which SCSI ID Numbers Are Available ... ...
Setting SCSI ID Switches for Hard Disk Drives ....... ...

1-2
1-3
-4
1-6

BOX .
Check the SCSI ID Switch Settings on the Expansion
Box ...
Change the SCSI ID Switch Settings If Necessary ... ..
Setting SCSI ID Switches and Jumpers on Floppy Disk,

1-5

Remove the SCSI ID Switch Cover from the Expansion

Tape, ar:d Compact Dise Drives .. ......................
Remove the Cover from the Expansion Box ...........

Check the SCSI ID Switch or Jumper Settings on the
DTIVE . ot
e
If
Settings
Jumper
or
Switch
ID
SCSI
the
Change

1-6
-7

1-8
1-8
1-9

NECESBATY . . o oottt et e e e
Replace the Cover on the Expansion Box .............
... ......
Installing an Expansion Box . ..............
Turn Power Off .. ... ... .. . . .

1-9
1-10
1-11

Connector on the System Unit . .....................
Connect the System-Unit-to-Expansion-Box Cable to the
i
System Unit........cooiiiin
Connect the System-Unit-to-Expansion-Box Cable to the
... .. ... ... ... .. ... . ...,
Expansion Box.........

1-11

Remove the Cover or Terminator from the SCSI

1-11

1-13
1-14

Connect the Terminator .. ..........................
Comnect the Power Cord . ..........
... ... ..........
Connecting One Expansion Box to Another Expansion
Box ...
Turn Power Off . ...... ... ... .. ... . ... .
..
Remove the Terminator ............................
Connect the Box-to-Box Expansion Cable and
Terminator ...........
... ... .. . . .
Connect the Power Cords . ..... ... ... ... ........
Verifying Your System Configuration .. ..............
....
Turn Power On ... . ... .
Check the Configuration Display ....................
Using Floppy Disk or Tape Drives . .....................

1-15
1-16

1-17
1-17

1-18
1-20
1-21
1-21
1-21
1-22

2 Installing a BA42 Storage Expansion Box Upgrade
Checking Your Shipment ...............
... ............
Determining Available SCSI ID Numbers .. ..............
Preparing the Expansion Box . .........................
Turn Power Off ... ........ . ... . ... ... .. ........
Remove the Cover from the Expansion Box ...........
Installing an RZ5x Series Hard Disk Drive ... ...........
Attach the Internal Cables to the Drive ... ...........
If Your Expansion Box Contains an RZ25 Hard Disk
Drive, Attach the 6-Pin SCSI ID Switch Cable ........
Insert the Drive into the Expansion Box . .............
Tighten the Captive Serew . ........................
Installing an R225 Hard Disk Drive . ...................
Remove the 24-Pin SCSI ID Switch Cable from the
Expansion Box............
.. ... ... ... .. ... ....
Attach the 6-pin SCSI ID Switch Cable That Came with
the RZ25 Hard Disk Drive. .. ...... ... ... .........
..
Attach the Internal Cables to the Drive . .....
... ... ..
Insert the Drive into the Fxpansion Box.....
.. ... ...
Tighten the Captive Serew .........................
Replace the Cover on the Expansion Box .............
Check the SCSI ID Switch Settings on the Expansion
Box ...
Change the SCSI ID Switch Settings If Necessary ... ..
Installing a Floppy Disk, Tape, or Compact Disc Drive ..
Check the SCSI ID Switch or Jumper Settings on the
Drive .. ... ..
Change the SCSI ID Switch or Jumper Settings If
Necessary . ..........
i

2-2
2-3
2-4
2-4
2-4
2-6
2-6
2-7

2-8
2-9
2-10

2-11
2-12
2-13
2-15
2-16
2-17

2-18
2-20
2-2]

... ......
Connect the Internal Cables . ............
Insert the Drive into the Expansion Box..............
.. ....
.......
Tighten the Captive Screw ............

2-22
2-23
2-24

...
...
... ... ...
Expansion Box Cover . ..........

2-25

oo,
Expansion Box Cover . .................
Replace the Cover on the Expansion Box .............
Verifying Your System Configuration....................
Turn Power On .. .. ... .
Check the Configuration Display ....................
Using Floppy Disk or Tape Drives .. ....................

2-26
2-27
2-28
2-28
2-28
2-29

Remove the Blank Panel from the Front of the

Install the Open Bezel Insert on the Front of the

A Equipment Specifications

BA42 Storage Exparnsion Box Equipment Specifications. . . .
RZ25 SCSI Hard Disk Drive Equipment Specifications . . ..
RZ55 SCSI Hard Disk Drive Equipment Specifications . ..
RZ56 SCSI Hard Disk Drive Equipment Specifications . . ..
RZ57 SCSI Hard Disk Drive Equipment Specifications .. ..
RZ58 SCSI Hard Disk Drive Equipment Specifications ....
TZ30 Tape Drive Equipment Specifications. . .............

A-2
A-3
A-5
A-7
A-9
A-1l
A-13

RX33 Diskette Drive Equipment Specifications .. ........

A-19

.. .
TZK10 QIC Tape Drive Equipment Specifications . ....

RX23 Diskette Drive Equipment Specifications ...........

A-15

A-17

B BA42 Configurations and Part Numbers
C TZ30 Tape Drive
... .. ...
....
...
Setting the SCSI ID Switches . ....
Drive . . .
a
to
Cables
Box
Attaching the Internal Expansion
Using a TZ30 Tape Drive. .. .......... ...
TZ30 Tape Cartridge . ................ooiiiiinn,
External Controls and Indicators ... .................
Write-Protecting a Tape Cartridge .. . ................
Write-Enabling a Tape Cartridge . ...................
Inserting a Tape Cartridge into a Drive ..............
Removing a Tape Cartridge from a Drive .............
Handling and Storing Tape Cartridges .. ................

C-2
C-4
C-5
C-5
C-6
C-8
C-9
C-10
C-13
C-14

L eielvlulelv

r’\'\mmmmmmmm
i
i
P
e

Setting the SCSI ID Switches ... .........
... ... ......
Attaching the Internal Expansion Box Cables to a Drive . . .
Using an RX33 Floppy Disk Drive . . ......
... ... . ... . ...
RX33 Floppy Diskette. ... ... .. ... .
External Controls and Indicators ..... .. ..... ... .. ..
Write-Protecting a Floppy Diskette ... . ... ... ... ... .
Write-Enabling a Floppy Diskette
... ... ... .. .. ...
Inserting a Floppy Diskette into a Drive. .. ... ... ... ..
Removing a Floppy Diskette from a Drive . ... ...
... ..
Handling and Storing Floppy Disketter . ... ........
...
.
Formatting RX33 Floppy Diskettes .....................
Using VMS . . ... ...
Using ULTRIX Version 4.1 or Higher .. ... ......
.. .
Using Versions of ULTRIX Prior to ULTRIX Version

O BN

RX33 Floppy Disk Drive

wAw

Setting the SCSI ID Switches . .. ........
... ... . ... . ..
Attaching the lnternal Expansion Box Cables to a Drive . . .
Using an RX23 Floppy Disk Drive . ..........
... ..., L
RX23 Floppy Diskette. . . ............
... . ... .. ... ..
External Controls and Indicators .............
... .. ..
Write-Protecting a Floppy Diskette . ... ... . .. ... ...
Write-Enabling a Floppy Diskette .. ... .......
...
.
Inserting a Floppy Diskette into a Drive. . .. ... ... ...
Removing a Fleppy Diskette from a Drive . ... ... ... ..
Handling and Storing Floppy Diskettes. ... ..............

I\J—J\OCD\J& GO7YY
B

RX23 Floppy Disk Drive

i
_I'I'T'l—n"'l'\"T'l"fl'T‘l

[§

Setting the SCSI ID Jumpers . .........................
Attaching the Internal Expansion Box Cables to a Drive . . .
Using a TZK10 QIC Tape Drive ... .....................
TZK10 QIC Tape Cartridge . ........................
External Controls and Indicators ...... .............
Write-Protecting or Write-Enabling a Tape Cartridge . . .
Inserting a Tape Cartridge into a Drive .. ............
Removing a Tape Cartridge from a Drive .. ... ... .. ..
Handling and Storing Tape Cartridges ..................

T RN

F TZK10 QIC Tape Drive

G RRD42 Compact Disc Drive
Setting the Mode Select and SCSI 1D Jumpers ...........
Attaching the Internal Expansion Box Cables to a Drive . . .
Using an RRD42 Compact Disc ........................
Inserting a Compact Discintoa Caddy . ..............
Removing a Compact Disc from a Caddy .............
Using an RRD42 Compact Disc Drive . ..................
External Controls and Indicators ....................
Inserting a Disc Caddy intca Drive .. ...............
Removing a Disc Caddy from a Drive . ...............
Handling and Storing Compact Discs ...................

Figures
The parts of a BA42 expansion box shipment .............
..
...
....
... ...
On/off switch in the off position . .......

Removing the SCSI ID switch cover from the expansion
box

.....

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

SCSI ID switches for hard disk drives
Removing the cover from the expansion box

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

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

Replacing the cover on the expansion box...............
.
Removing the SCSI connector cover from the system unit . . .
Removing the SCSI terminator from the system unit.......
Connecting a system-unit-to-expansion-box cable to the
system unit ... ... ... e

Connecting a system-unit-to-expansion-box cable to the
expansion box

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

Connecting a terminator to the expansion box.............
Connecting a power cord to an expansion box .............
Removing a terminator from an expansion box
Connecting the box-to-box cable and terminator to the final

1-10

1-11
1-12

1-13
1-14
1-15
1-16

1-17

e e

1-19

Connecting power cords to expansion boxes ...............
Removing the cover from the expansion box...............

1-20

EEPADSION DOX .« v

vt v et ettt e

Inside the BA42 expansion box .. ...... ... ... .. ... ... ...

Attaching the internal cables to an RZ5x Series hard disk
drive

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

Attaching a 6-pin SCSI ID switch cable to an RZ5x Series
hard disk drive

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

Inserting the RZ5x Series hard disk drive in the expansion
box

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

Tightening the captive screw on thedrive .. ..............
6-pin and 24-pin SCSI ID switch cables ...........
... ...
Disconnecting the 24-pin SCSI TD switch cable from the
expansion box ... ...

Attaching the 6-pin SCSI ID switch cable to the expansion
BOX .
Attaching the internal SCSI signal and power cables to an
RZ25 hard disk drive . ..........
... ... ... ... .. .. ... ...

Attaching the internal 6-pin SCSI ID switch cable to an
RZ25 hard disk drive .. ........ ... ... .. ... . ... ... ... ..

Inserting an RZ25 hard disk drive in the expansion box .
Tightening the captive screw on thedrive ................
Replacing the cover on the BA42 expansion box

...........

SCSI ID switches for hard disk drives. .. ...........
... ..
Inserting the drive in the expansion box..................
Tightening the captive secrew.

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

Removing the blank panel from the front of the expansion
bOX COVEr

. . . .

Installing the open bezel insert on the front of the expansion
box cover

. . ...

Replacing the cover on the expansionbox. ..

... ...

.. ... ..

SCSI ID switches on the TZ30 tapedrive . ................
Attaching the internal expansion box cables to a TZ30 tape
Arive . ...
A TZ30 tape cartridge .........
... ... .. ... . . ... .. ...,

External controls and indicator lights on the TZ30 tape
drive . ... ...
e
Write-protecting a TZ30 tape cartridge ............
... ...
Write-enabling a TZ230 tape cartridge .. ..... .. ...

...

Opering the door vnacartridge . .. ......

... ...

...

A tape leader positioned correctly in a cartridge ...........
Inserting a tape cartridge into a TZ30 tape drive ........
..

C-10

Removing a tape cartridge from a TZ30 tape drive .........
SCSI ID switches on the RX23 floppy disk drive ... ..... ...
Attaching the internal expansion box cables to an RX23
floppvdisk drive ...... ... ... ..
An RX23 floppy diskette . ....... ...

.. ... . ...

External controls and indicators on the RX23 floppy disk
drive

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

vill

2-10

Write-enabling an RX23 floppy diskette ...............
...

Inserting a floppy diskette into an RX23 floppy disk drive. . .
A floppy diskette positioned correctly in an RX23 floppy disk
ArIVe . e

Removing a floppy diskette from an RX23 floppy disk
AriVe . .o

SCSI ID switches on the RX33 floppy disk drive ...........

Attaching the internal expansion box cables to an RX33
floppy disk drive .. ... ...

An RX33 floppy diskette ...... .. ... .. ...

.. . . ...

External controls and indicators on the RX33 floppy disk
drive ... ...
Write-protecting an RX33 floppy diskette .................

Inserting a floppy diskette into an RX33 floppy disk drive. ..

Removing a floppy diskette from an RX33 floppy disk
ArIVe ..

SCSI ID jumpers on the TZK10 QIC tape drive............

Attaching the internal expansion box cables to a TZK10 QIC
tape drive . . ... ...

F-4

A TZK10 QIC tape cartridge . . ... ....... ... .. ... .......

F-5

External conrols and indicators on the TZK10 tape drive . . .

F-6

Write-protect and write-enable switch positions on a TZK10
QIC tape cartridge . ......... ... ... . . ...,

F-7

Inserting a tape cartridge into the TZK10 QIC tape drive . . .

F-8

Closing the drive door on the TZK10 QIC tape drive ... .. ..

F-9

Removing a tape cartridge from the TZK10 QIC tape
Arive .. .

Mode select and SCSI ID jumpers on the RRD42 compact
diSC ATIVe . .
e
The SCSI signal cable connector and key . ................

Attaching the internal expansion box cables to an RRD42
compact disc drive. .. ... ... ... ... ..
An RRD42 compactdisc..........
.. . ...,

Removing the protective film from a compact disc caddy .

Opening a compact disccaddy ..........................
Inserting a disc into a compact disccaddy ................

External controls and indicators on the RRD42 compact disc
drive . .

Inserting a compact disc caddy into an RRD42 compact disc
drive

G-10

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

Pushing a caddy into an RRD42 compact disc drive ...
.. ...

-1

Kemoving a compact disc caddy from an RRD42Z compact disc

ArIVE .

G-14

Tables
1-1

2-1

SCSI ID Numbers and Switch Settings for Hard Disk
Drives . ...
e

1-7

SCSI ID Numbers and Switch Settings for Hard Disk
Drives ... ...

2-20

A-1

BA42 Storage Expansion Box Description. ... ...........
..

A-2

BA42 Storage Expansion Box Operating Conditions ........

A-2

BAA42 Storage Expansion Box Nonoperating Conditions . . ...

A-2

A-4

RZ25 SCSI Hard Disk Drive Description .................

A-3

A-5

RZ25 SCSI Hard Disk Drive Operating Conditions . ........

A-3

A-6

RZ25 SCSI Hard Disk Drive Nonoperating Conditions . . . ...

A-4

A-7

RZ55 SCSI Hard Disk Drive Description ... ..............

A-5

RZ55 SCSI Hard Disk Drive Operating Conditions . . .......

A-b

A-9

RZ55 SCSI Hard Disk Drive Nonoperating Conditions . . .. ..

A-b

A-10

RZ56 SCSI Hard Disk Drive Description .................

A-7

A-11

RZ56 SCSI Hard Disk Drive Operating Conditions . .. ....
..

A-7

A-12

RZ56 SCSI Hard Disk Drive Nonoperating Conditions.. . .. ..

A-8

A-13

RZ57 SCSI Hard Disk Drive Description .................

A-Q

A-14

RZ57 SCSI Hard Disk Drive Operating Conditions . . .......

A-Q

A-15

RZ257 SCSI Hard Disk Drive Nonoperating Conditions.. . . . ..

A-10

A-16

RZ58 SCSI Hard Disk Drive Description .................

A-11

A-17

RZ58 SCSI Hard Disk Drive Operating Conditions .. .......

A-11

A-18

RZ58 SCSI Hard Disk Drive Nonoperating Conditions . . . . . .

A-12

A-19

TZ30 Tape Drive Description. . . .........................

A-13

A-20

TZ30 Tape Drive Operating Conditions . . .................

A-13

A-21

TZ30 Tape Drive Nonoperating Conditions . .. .............

A-14

A-22

TZK10 QIC Tape Drive Description .. ....................

A-15

A-23

TZK10 QIC Tape Drive Operating Conditions .............

A-15

A-24

TZK10 QIC Tape Drive Nonoperating Conditions ..........

A-16

A-25

RX23 Diskette Drive Description . .......................

A-26

RX23 Diskette Drive Operating Conditions

A-27

RX23 Diskette Drive Nonoperating Conditions

A-28

RX33 Diskette Drive Description ............
... ... ......

A-29

RX33 Diskette Drive Operating Conditions

A-30

RX33 Diskette Drive Nonoperating Conditions

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

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

BA42 Storage Expansion Box Configurations ..............

B-1

SCSI ID Switch Settings for the TZ30 Tape Drive .........

C-2

Indicator Lights on the TZ30 Tape Drive . ................
SCSI ID Switch Settings for the RX23 Floppy Disk Drive . .
SCSI ID Switch Settings for the RX33 Floppy Disk Drive . . .
SCSI ID Jumper Settings for the TZK10 QIC Tape Drive . ..
Indicator Light on the TZK10 QIC Tape Drive.............
SCSI ID Jumper Settings for the RRD42 Compact Disc

C-7

DIIvVE . . o

D-2
E-2
F-2
F-6

Page

x1i

a blank page

Using This Guide

Use this guide to install one or more BA42 expansion boxes,
to add a drive to a BA42 expansion box, and to verify that
SCSI (small computer systems interface) switches have been set
correctly for each drive in a BA42 expansion box.
This guide tells you

How to inatall one or more expansion boxes
How to install new drives inside BA42 expansion boxes

How to make sure the drives inside a BA42 expansicn box
re recognized by your system and what to do if they aren’t
How to use your floppy disk, tape, or compact disc drive
What combinations of the Digital-supplied drives can be
present in BA42 expansion boxes connected to a SCSI
;onnector on your system unit

What the equipment specifications are for the BA42
2xpansion box and for the Digital-supplied drives available
for use in it
What the part numbers are for the components of the BA42
expansion box and of the Digital-supplied drives available
for use in it

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|
Installing BA42 Storage Expansion Boxes

This chapter tells you how to
Check your shipment to make sure nothing is broken or
missing
Set up a BA42 expansion box
Select SCSI ID numbers and set SCSI ID switches for
Digital-supplied hard disk, floppy disk, tape, and compact
disc drives installed in BA42 expansion boxes

Attach an expansion box to your system unit
Attach one expansion box to another expansion box
Make sure the system recognizes the drive or drives inside
an expansion box

Since the BA42 storage expansion box uses drive configuration
part numbers beginning with £Z212, the box is also often
referred to as the SZ12 storage expansion box.

instoliing BA42 Storage Expansions Boxes

1-1

Checking Your Shipment

When you unpack the carton that contains a BA42 expansion
box, you should find all of the items shown in Figure 1-1.

In addition, if you have a floppy disk drive preinstalled in your
expansion box, you should also receive two floppy diskettes. If
you have a tape drive preinstalled, you should receive one tape
cartridge. If you have a compact disc drive, you should receive
one compact disc and cartridge.

Documentation

Expansion box

System-unit-to-

Power cord

expansion-box cable
WSEBAIO1

Figure 1-1.

1-2

The paris of a BA42 expansion box shipment

Installing BA42 Storage Expansion Boxes

Setling Up Expansion Boxes

Waming: It takes two people to unpack and set up a BA42 expansion

box safely.

Caution: Standing an expansion box on its side blocks vents and can

damage the expansion box and any drives it contains.

Set up your BA42 expansion box on a flat su-face as near
as possible to your system unit. If you are installing more
than one expansion box, you can stack the boxes on top of one
another.

Make sure the on/off switch on the expansion box is in the off
position.

Owoff switch in
the off position

Lo I"
1

WSEBAIG2

Figure 1-2.

On/off switch in the off position

instaliing BA42 Storage Expansion Boxes

1-3

Determining Which SCSI ID Numbers Are Available
You can connect up to seven SCSI drives to a given SCSI

connector on the system unit.

You must assign a SCSI ID number to each drive installed in
a BA42 expansion box. Numbers that can be used range from
0 to 7, and you can assign each number only once. To find out
what SCSI ID numbers are available, see the option installation
instructions in the installation guide or user’s guide for your
system.

To set SCSI ID switches for hard disk drives, turn to page 1-5.
To set SCSI ID switches for floppy disk, tape, or compact disc
drives, turn to page 1-8.

-4

Instaling BA42 Storage Expansion Boxes

Setting SCSI ID Switches for Hard Disk Drives
SCSI ID switches for hard disk drives installed in a BA42
expansion box are located on the back of the expansion box.
If you have one or two hard disk drives preinstalled in your
expansion box, check the SCSI ID switch settings for each drive
and change the settings if necessary.

Remove the SCSI ID Switch Cover from the Expansion Box
Press the bottom of
cover. Than lift the
cover away from the box.

/
SCSI switch cover

WSEBAM2S

Figure 1-3.

Removing the SCSI ID switch cover from the expansion box

Installing BA42 Storage Expansion Boxes

1-6

Check the SCSI ID Switch Seltings on the Expansion Box
If you have one hard disk drive installed in your expansion

box, the right three SCSI ID switches on the back of the box
determine the SCSI ID switch setting for that drive. These
switches are preset to ID number 0, down down down.

If you have two hard disk drives installed in your expansion
box, the left three SCSI ID switches on the back of the box
determine the SCSI ID switch setting for the second hard disk
drive. These switches are preset to ID number 1, down down
up.

SCSI 1D switches set for ID numbers
1 (down down up) on the left and
0 (down down down) on the right.

WSEBAIOS

Figure 1-4.

1-6

SCSI ID switches for hard disk drives

Installing BA42 Storage Expansion Boxes

If the switches on your expansion box are set for a SCSI ID
number that is not available for use, use a pen or small pointed
object to flip the switches you need to change.
Table 1-1 shows the SCSI ID switch settings for hard disk
drives.
Table 1-1.

SCSi ID Numbers and Switch Settings for Hard Disk Drives
Switch Seftings

SCSIID

Number

Switch1

Swiich2

Switch 3

Down

To attach the expansion box to your system unit, turn to
page 1-11.

Change the SCSI ID Swiich Seftings If Necessary

instaliing BA42 Storage Expansion Boxes

1-7

Sefting SCSI ID Switches and Jumpers on Floppy Disk, Tape,
and Compact Disc Drives

SCSI ID switches and jumpers for floppy disk, tape, and

compact disc drives are located directly on the drives. If you
have one of these types of drives installed in your BA42 box,
use the switches or jumpers on the drive itself instead of the
switches on the expansion box.
SCSI ID switches and jumpers c:: floppy disk and tape drives
are preset to ID number 5. SCSI ID jumpers on compact disc
drives are preset to ID number 4.
To check the SCSI ID switch or jumper settings on the drive,
you will need to remove the cover from the expansion box.

Remove the Cover from the Expansion Box
Loousen the two cover-release screws on the back of the
expansion box. Grasp each side of the cover and pull it toward
you. Then pull the cover up and away from the box.

Cover-release screws
WSEBAIZ0

Figure 1-5.

1-8

Removing the cover from the expansion box

Instaling BA42 Storage Expansion Boxes

Check the SCSI ID Switch or Jumper Settings on the Drive
See the following appendixes for SCSI ID switch and jumper
locations and settings for the various drives:
TZ30 tape drive-Appendix C
RX23 floppy disk drive—-Appendix D
RX33 fioppy disk drive—-Appendix E
TZK10 QIC tape drive—Appendix F

RRD42 compact disc drive-Appendix G
Change the SCSI ID Switch or Jumper Seftings If Necessary
If the switches or jumpers on the drive are set to a SCSI ID
number that is not available for use, use a pen or small pointed
object to flip the switches you need to change, or use a small
set of needle-nose pliers to remove and replace the jumpers you
need to change.

installing BA42 Storage Expansion Boxes

1-9

Replace the Cover « ' the Expansion Box
Position the cover so it rests on top of the box about 3 inches
short of the back of the box. Move the cover straight toward
the back of the box until it slips into place. Tighten the two
cover-release screws on the back of the box.
Caution: Make sure the internal cables are pushed down into the
box before replacing the cover. Closing the cover on the cables may
damage the cables.

Cover-release screws
WSEBAI19

Figure 1-6.

1-10

Replacing the cover on the expansion box

Instaling BA42 Storage Expansion Boxes

Installing an Expansion Box
If you are adding an expansion box to a system that already has
one or more expansion boxes fully installed, turn to page 1-17
for instructions on how to connect one expansion box to another.
Turn Power Off

Turn off power to the monitor and then the system unit.

Rermove the Cover or Terminator from the SCSI Connector on

the System Unit

If there is a cover over the SCSI connector on the back of your
system unit, remove it.
Prass up on the

tab on the bottom

of the cc ver until

you can pull the

System unit

SCS! connactor

cover away from

the box.

SCSI cover slot

WSEBAI3S

Figure 1-7.

Removing the SCSI connector cover from the system unit

Instaling BA42 Storage Expansion Boxes

1-11

If there is a terminator on the SCSI connector on the back of

your system unit, remove it.

System unit
SCSi connector

SCSi terminator

WSEBAI37

Figure 1-8.

1-12

Removing the SCS! terminator from the system unit

Instaling BA42 Storage Expansion Boxes

Connect the System-Unit-to-Expansion-Box Cable to the
System Unit
Impontant: If you have a DECstation 5000 Model 200 workstation,
use the system-unit-to-expansion-box cable that came with your
workstation. Otherwise, use the system-unit-to-expansion-box cable
that came with your expansion box.

System unit
SCSi connector

,
.
System-unit-to-axpansion-box

cable connector

\\\ /

WSEBAIOS

Figure 1-9. Connectling a system-unit-to-expansion-box cable to the
system unit

installing BA42 Storage Expansion Boxes

1-13

Connect the System-Unit-to-Expansion-Box Cable to the
[xpansion Box

Connect the free end of the system-unit-to-expansion-box cable

to one of the connectors on the expansion box.

If you are installing more than one expansion box, turn to
page 1-18 after you connect the system-unit-to-expansion-box
cable to the first expansion box.
If you are installing only one box, turn to page 1-15 to connect

the terminator.

Be sure the wire brackets

are locked into the grooves
on the sides of the connector.

Systarn-unit-to-expansion-box
cable connector

WSEBAI2P

Figure 1-10.

Connecling a system-unit-to-expansion-box cable to the

expansion box.

1-14

Installing BA42 Storage Expansion Boxes

‘

Connect the Terminator
Connect the terminator to the empty connector on the
expansion box.
Be surg the wire brackets
are locked into the grooves
on the sides of the connactors.

NSEDAIZS

Figure 1-11.

Connectling a terminator to the expansion box

Installing BA42 Storage Expansion Boxes

1-18

Connect the Power Cord
Cornect the prongless end of the power cord to the expansion

box and plug the pronged end into a power outlet or power
strip.

After connecting the vower cord, turn to page 1-21 to verify
your system configuration.

Note: Digital suggests that all power cords for the system be plugged
into a single source of power, such as a power strip.

Powaer cord

WSEBAI04

Figure 1-12.

I-16

Connectling a power cord to an expansion box

Instaliing BA42 Storage Expansion Boxes

Connecting One Expansion Box to Another Expansion Box
If you are attaching an expansion box to a system that
already has one or more expansion boxes fully installed, do
the following.
Turn Power Off
Turn off power to the expansion boxes and then the system
unit.
Remove the Terminator

Remove the terminator from the last expansion box attached
to that SCSI connector on the system unit by unlocking the
wire brackets from the sides of the terminator and pulling the
terminator out of the connector.
Wire brackets

Terminator

WSEBAI24

Figure 1-13.

Removing a terminator from an expansion box

Instaliing BA42 Storage Expansion Boxes

117

Connect the Box-to-Box Expansion Cable and Terminator
Connect the box-to-box expansion cable to the empty connector

on the last box connected to your system unit. Then connect the '
other end of the cable to one of the connectors on the box you
are installing.

If you are installing more than one additional BA42 expansion
box, repeat these steps for each box.
Note:

You may connect up to three BA42 expansion boxes to your

system unit.

Connect the terminator to the empty connector on the final
expansion box.
Figure 1-14 shows how to connect the box-to-box expansion
cable and the terminator.

1-18

instaliing BA42 Storage Expansion Boxes

Box-to-box

cable connector

Wire brackets

/A\

// “

Wire brackets
;

Terminator /’/\

WSEBAIOS

Figure 1-14.

Connecting the box-tu-box cable and terminator to the
final expansion box

Instaliing BA42 Storage Expanslon Boxes

' -19

Connect the Power Cords
Connect the prongless end of a power cord to each expansion

box and plug the pronged end of each cord into a power outlet
or power strip.

Note: Digital suggests that all power cords for the system be plugged
into a single source of power, such as a power strip.

Fower cord

WSEBAI23

Figure 1-15.

1-20

Connectling power cords to expansion boxes

Installing BA42 Storage Expansion Boxes

Verifying Your System Configuration
Turn Power On

Turn on power to all expansion boxes and then the system unit.
Check the Configuration Display

The configuration display for your system tells you whether the
system recognizes the drives in your expansion boxes.

To display and read your system configuration, follow the
instructions provided in the hardware installation guide or
user’s guide that came with your system.

If an expansion box drive does not appear in the configuration
display, follow this procedure:

Press the 1 on the on/off switch on the expansion box to be
sure the switch is securely in the on position.

Be sure all expansion box cables are connected securely.

Be sure all power cords are connected securely.

Turn off your system unit and expansion boxes.

Be sure the SCSI terminator is attached securely to the

expansion box.

Be sure the internal cables are connected securely to the
drive.

Check the expansion box cable connector for damaged pins.
Check the SCSI ID switch settings.

Turn on all expansion boxes and the system unit; then
check the configuration display again.
10. If the configuration display still does not show the drives in
the expansion box, contact your system manager or Digital
service representative.

Once SCSI ID switch settings for the hard disk drives installed
in your expansion box are recognized by your system, replace
the cover on the SCSI ID switches on the back of your
expansion box by inserting the notch on the bottom of the
cover into the opening below the switches on the back of the
expansion box, and snapping the cover into place.

installing BA42 Storage Expansion Boxes

1-21

Using Floppy Disk or Tape Drives
For instructions on how to use floppy disk, tape, or compact disc
drives, see the following appendixes:
TZ30 tape drives—Appendix C

RX23 floppy disk drives—Appendix D

RX33 floppy disk drives—Appendix E

TZK10 QIC tape drive—Appendix F

RRD42 compact disc drive~Appendix G

xpansion Boxes

n'l

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2
Installing a BA42 Storage Expansion Box
Upgrade

This chapter tells you how to

Check your shipment to make sure nothing is broken or
missing

Select SCSI ID numbers and set SCSI ID switches or
jumpers for Digital-supplied hard disk, floppy disk, tape,
and compact disc drives you plan to install

Install a hard disk, floppy disk, tape, or compact disc drive
inside an expansion box

Make sure the drives inside the expansion box are
recognized by your system, and what to do if they aren't

instaling a BA42 Storage Expansion Box Upgrade

2-1

Checking Your Shipment
important:

In addition to the items that make up your shipment, you

will need a Phillips screwdriver and a standard screwdriver.

If you ordered an RZ5x Series hard disk drive, your shipment
should include:
s

The drive

The document you are now reading

If you ordered an RZ25 hard disk drive, your shipment should

include:
e

The drive

A SCSI ID switch cable

The document you are now reading

If you ordered a floppy disk, tape, or compact disc drive, your
shipment should include:
e

The drive

An open bezel

Two floppy diskettes, one tape cartridge, or one compact
disc and cartridge

The document you are now reading

If any item is broken or missing, contact your system manager
or Digital service representative.

2-2

Instaling a BA42 Storage Expansion Box Upgrade

Determining Available SCSI ID Numbers
You can connect up to seven SCSI drives to a given SCSI
connector on the system unit.
You must assign a SCSI ID number to each drive installed in a
BA42 expansion box. Numbers that can be used range from 0
to 7. You can assign each number only once. To find out what
SCSI ID numbers are available, see the option installation
instructions in the installation guide or user’s guide for your
system.

Instaliing a BA42 Siorage Expansion Box Upgrade

2-3

Preparing the Expansion Box
Turn Power Off

Turn off power to all expansion boxes and then the system unit.
Remove the Cover from the Expansion Box

Loosen the two cover-release screws on the back of the
expansion box. Grasp each side of the cover and pull it toward
you. Then pull the cover up and away from the box.

Cover-release screws
WSEBAI20

Figure 2-1.

2-4

Removing the cover from the expansion box

Installing a BA42 Storage Expansion Box Upgrade

Figure 2-2 shows the internal SCSI signal cable, SCSI ID
switch cable, power cable, and power supply inside the BA42
expansion box.
Power supply

SCSl signal cable

SCSI ID switch cable

}Power cable
WSEBAI22

Figure 2-2.

Inside the BA42 expansion box

To install an RZ5x Series hard disk drive, turn to page 2-6.
To install an RZ25 hard disk drive, turn to page 2-10.
To install a floppy disk, tape, or compact disc drive, turn to
page 2-21.

installing a BA42 Storage Expansion Box Upgrade 2-5

installing an RZ5x Series Hard Disk Drive
You can install an RZ5x Series hard disk drive in either drive
location in a BA42 expansion box.
Altach the Internal Cables to the Drive
Attach the internal SCSI signal cable, SCSI ID switch cable,
and power cable to the drive.

Attach the connector in the middle of the SCSI ID switch cable
to a hard disk drive you are installing in the position furthest
from the power supply. Attach the connector on the end of the
SCSI ID switch cable to a hard disk drive you are installing in
the position next to the power supply.
If your BA42 expansion box contains an RZ25 hard disk drive,
the SCSI ID switch cable is different than the one shown in the
figure below. Turn to page 2-7 to attach the type of cable that
connects to an RZ25 drive.

SCSIID
switch cable

‘ Power cable
SCSl signal cable

WSEBAI25

Figure 2-3.

Altaching the intemal cables to an RZ5x Series hard disk
drive

2-6

Installing a BA42 Storage Expansion Box Upgrade

it Your Expansion Box Contains an RZ25 Hard Disk Drive,
Attach the 6-Pin SCSI ID Switch Cable
If your BA42 expansion box has an RZ25 hard disk drive
installed, the SCSI ID cable has 6-pin connectors rather than
24-pin connectors.

To attach a 6-pin SCSI ID switch cable to an RZ5x hard disk
drive, position the cable connector with the silver dot facing
upward and attach it to the three rightmost sets of pins in the

connector on the drive.

Aftach the cable to these
three sets of pins.

Silver dot

WSERAI84

Figure 2-4.

Attaching a 6-pin SCSI ID switch cable to an RZ5x Series

hard disk drive

Instaliing a BA42 Storage Expanslon Box Upgrade

2-7

insert the Drive into the Expansion Box

Tilt the drive until you can place the metal tabs on the bottom
of the drive into the openings in the floor of the box.

WSEBAI26

Figure 2-5.

Inserting the RZ5x Series hard disk drive in the expansion
box

Tighten the Captive Screw

Tighten the captive screw to hold the drive in place.

WSERALT

Figure 2-6.

Tightening the captive screw on the drive

To finish installing the drive, see “Replace the Cover on the
Expansion Box” on page 2-17 for directions.

installing a BA42 Storage Expansion Box Upgrade

2-9

installing an RZ25 Hard Disk Drive
You can install an RZ25 hard disk drive in either drive location

in a BA42 expansion box.

If there is not already a 6-pin SCSI ID switch cable in your
expansion box, you will need to remove the 24-pin SCSI ID
switch cable from the box and replace it with the 6-pin SCSI ID
switch cable that came with the RZ25 drive you are installing.
The 24-pin SCSI ID switch cable is used with RZ5x Series
drives only. The 6-pin SCSI ID switch cable is used with both
RZ5x series drives and the RZ25.
Silver dot
must face up

24-pin SCSI ID
switch cable

Six-pin SCS!
ID switch cable
WSEBAM31

Figure 2-7.

2-10

6-pin and 24-pin 5CSI ID switch cables

Installing a BA42 Storage Expansion Box Upgrade

Remove the 24-Pin SCSI ID Switch Cable from the Expansion
Box

Disconnect the 24-pin SCSI ID switch cabie from any drive
that may already be installed in your expansion hox. Then
disconnect the cable from the connector on the expansion box.

WSEBAIBS

Figure 2-8.

Disconnecting the 24-pin SCS! ID switch cable from the

expansion box

Installing a BA42 Storage Expansion ox Upgrade

2-11

Attach the 6-pin SCSI ID Switch Cable That Came with the
RZ225 Hard Disk Drive

Attach the 6-pin SCSI ID switch cable that came with the RZ25 (@)
hard disk drive to the expansion box. If there is an RZ56x Series
hard disk drive in the position closest to the power supply, see
Figure 2-4 to aitach the 6-pin cable to the drive.

WGSEBAISS

Figure 2-9.

Afttaching the 6-pin SCSI ID swilch cable to the expansion
box

2-12

Installing a BA42 Storage Expansion Box Upgrade

Attach the Internal Cables to the Drive

Attach the internal SCSI signal cable and power cable to the
drive. Then attach the 6-pin SCSI ID switch cable. When
attaching the SCSI ID switch cable, make sure the silver dot on
the cable connector is facing upward.
Attach the connector in the middle of the SCSI ID switch cable
to a hard disk drive you are installing in the position furthest
from the power supply. Attach the connector on the end of the
SCSI ID switch cable to a hard disk drive you are installing in
the position next to the power supply.

Power cable

SCSI signal cabie

WSERAI79

Figure 2-10.

Alaching the internal SCSI signal and power cables to an
kZ25 hard disk drive

installing a BA42 Storage Expansion Box Upgrade

2-13

Silvar dot

WSEBAIS9

Figure 2-11.

2-14

AHaching the intemal 6-pin SCSI ID switch cable to an
RZ225 hard disk drive

Instaling a BA42 Storage Expansion Box Upgrade

insert the Drive into the Expansion Box
Tilt the drive until you can place the metal tabs on the bottom

of the drive into the openings in the floor of the box.

WSEBAIB?

Figure 2-12.

Inserting an RZ25 hard disk drive in the expansion box

installing a BA42 Storage Expansion Box Upgrade

2-18

Tighten the Captive Screw

Tighten the captive screw to hold the drive in place.

WSEBAIBS

Figure 2-13.

2-16

Tightening the captive screw on the drive

Instaling a BA42 Storage Expansion Box Upgrade

Replace the Cover on the Expansion Box
Position the cover so it rests on top of the box about 3 inches
short of the back of the box. Move the cover straight toward
the back of the box until it slips into place. Tighten the two
cover-release screws on the back of the box.
Caution: Make sure the internal cables are pushed down into the
box before replacing the cover. Closing the cover on the cables may
damage the cables.

Cover-release screws
WSEBAIY

Figure 2-14.

Replacing the cover on the BA42 expansion box

Instaling a BA42 Storage Expansion Box Upgrade

2-17

Check the SCSI ID Switch Settings on the Expansion Box
SCSI ID switches for hard disk drives installed in the BA42

expansion box are located on the back of the box.

If you have one hard disk drive installed in your expansion
box, the right three SCSI ID switches on the back of the box
determine the SCSI ID switch setting for that drive. These
switches are preset to ID number 0, down down down.
If you have two hard disk drives installed in your expansion
box, the left three SCSI ID switches on the back of the box
determine the SCSI ID switch setting for the second hard disk
drive. These switches are preset to ID number 1, down down
up.

If there is a SCSI ID switch cover over the switches on your
expansion box, turn to page 1-5 for instructions on how to
remove the cover.

2-18

Installing a BA42 Storage Expansion Box Upgrade

SCSI D switches set for ID numbers
1 (down down up) on the left and
0 (down down down) on the right.
Y,

e
e

WSEBAI0E

Figure 2-15.

SCSI ID switches for hard disk drives

Instaliing a BA42 Storage Expansion Box Upgrade

2-19

Change the SCSI ID Switch Settings If Necessary
If the switches on your expansion box are set for a SCSI ID
number that is not available for use, use a pen or small pointed
object to flip the switches you need to change.
Table 2-1 shows the SCSI ID switch settings for hard disk
drives.
Table 2-1.

SCSI ID Numbers and Switch Settings for Hard Disk Drives
Switch Settings

SCsi ID
Number

Switch 1

Switch2

Swiich 3

Down

Turn to page 2-28 to verify your system configuration.

2-20

Instaling a BA42 Storage Expansion Box Upgrade

installing a Floppy Disk, Tape, or Compact Disc Drive
Install a floppy disk, tape, or compact disc drive in the position
furthest from the power supply.
Check the SCSI ID Switch or Jumper Settings on the Drive
SCSI ID switches and jumpers for floppy disk, tape, and
compact disc drives are located directly on the drives. If you
are installing one of these types of drives inside your BA42 box,
use the switches or jumpers on the drive itself instead of the
switches on the expansion box.

SCSI ID switches and jumpers on floppy disk and tape drives
are preset to ID number 5. SCSI ID jumpers on compact disc
drives are preset to ID number 4.
See the following appendixes for SCSI ID switch and jumper
locations and settings for each drive:
s

TZ30 tape drive—Appendix C

RX23 floppy disk drive-Appendix D

RX33 floppy disk drive-Appendix E

RRD42 compact disc drive~Appendix G

e TZK10 QIC tape drive-Appendix F

Change the SCSI ID Switch or Jumper Seftings If Necessary
If the switches or jumpers on the drive are set to a SCSI ID
number that is not available for use, use a pen or small pointed
object to flip the switches you need to change, or use a small
set of needle-nose pliers to remove and replace the jumpers you
need to change.

instaliing a BA42 Storage Expansion Box Upgrade

2-21

Connect the internal Cables
Connect the internal power and SCSI signal cables to the drive.
Note: Because floppy disk, tape, and compact disc drives do not use
the SCSI ID switches on the back of the expansion box, you cannot
connect the SCSI ID switch cable to the drive.

See the following appendixes for instructions on how to connect
internal cables to a floppy disk, tape, or compact disc drive.
TZ30 tape drive-Appendix C
RX23 floppy disk drive-Appendix D
RX33 floppy disk drive-Appendix E
TZK10 QIC tape drive—-Appendix F

RRD42 compact disc drive~Appendix G

Turn to page 2-15 for instructions on how to insert the drive
into the expansion box.

2-22

Instaling a BA42 Storage Expansion Box Upgrads

insert the Drive into the Expansion Box

Tilt the drive until you can place the metal tabs on the bottom
of the drive into the openings in the floor of the box.

WSEBAL35

Figure 2-16. Inserting the drive in the expansion box

instaliing a BA42 Storage Expanslon Box Upgrade 2-23

Tighten the Captive Screw
Tighten the captive screw to hold the drive in place.

WSEBAIG

Figure 2-17.

2-24

Tightening the captive screw

Instaling a BA42 Storage Expansion Box Upgrade

Remove the Blank Panel from the Front of the Expansion Box
Cover
Remove the blank panel from the front of the expansion box
cover by inserting a standard screwdriver under the bottom of
the panel and pulling outward.

Use a small standand screwdriver

to pry the panel loose, then lift

the panel away from the box.

WSEBAIT4

Figure 2-18.

Removing the blank panel from the front of the expansion
box cover

instailing a BA42 Storage Expansion Box Upgrade

2-25

install the Open Bezel Insert on the Front of the Expansion
Box Cover

Install the open bezel insert that came with your drive onto the .
front of the expansion box cover by lining up the locating posts
with the holes on the front of the cover and snapping the insert
into place.

Front of the
expansion box cover

Bezel insert
\

Locating
nncte
i

Figure 2-19.

Installing the open bezel insert on the front of the
expansion box cover

2-26

WSEBAIO7

Installing a BA42 Storage Expansion Box Upgrade

Replace the Cover on the Expansion Box

Position the cover so it rests on top of the box about 3 inches
short of the back of the box. Move the cover straight toward
the back of the box until it slips into place. Tighten the two
cover-release screws on the back of the box.

Caution: Make sure the internal cables are pushed down into the
Lox before replacing the cover. Closing the cover on the cables may
damage the cables.

Cover-release screws
WSEBAI19

Figure 2-20.

Replacing the cover on the expansion box

Turn to page 2-28 to verify your system configuration.

Instaling a BA42 Storage Expansion Box Upgrade

2-27

Verifying Your System Configuration
Turn Power On

Turn on power to all expansion boxes and then the system unit.
Check the Configuration Display
The configuration display for your system tells you whether the
system recognizes the drives in your expansion boxes.

To display and read your system configuration, follow the

instructions provided in the hardware installation guide or
user’s guide that came with your system.
If an expansion box drive does not appear in the configuration
display, follow this procedure:
1.

Press the 1 on the on/off switch on the expansion box to be
sure the switch is securely in the on position.

Be sure all power cords are connected securely.

Be sure all expansion box cables are connected securely.

Turn off your system unit and expansion boxes

Be sure the SCSI terminator is attached securely to the
expansion box.

Be sure the internal cables are connected securely to the
drive.

Check the expansion box cable connector for damaged pins.
Check the SCSI ID switch or jumper settings.

Turn on all expansion boxes and then system unit. Check
the configuration display again.

10. If the configuration display still does not show the drives in
the expansion box, contact your system manager or Digital
service representative.

box, and snapping the cover into place.

2-28

Instaling a BA42 Storage Expansion Box Upgrade

Using Floppy Disk or Tape Drives

For instructions on how to use floppy disk, tape, or compact disc

drives, see the following appendixes:
s

TZ30 tape drives-Appendix C

s«

RX23 floppy disk drives—Appendix D

RX33 floppy disk drives—Appendix E

TZK10 QIC tape drive~Appendix F

RRD42 compact disc drive-Appendix G

Installing o BA42 Storage Exponsion Box Upgrade

2-29

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A
Equipment Specifications

This appendix lists the physical specifications, operating
conditions, and nonoperating conditions for the following items:
«

BA42 expansion box

RZ25 hard disk drive

RZ55 hard disk drive

RZ56 hard disk drive

RZ57 hard disk drive

RZ58 hard disk dnive

TZ30 tape drive

TZK10 QIC tape drive

RX23 diskette drive

RX33 diskette drive

Equipment Specifications

A-i

BA42 Storage Expansion Box Equipment Specifications

Table A-1. BAJ42 Storage Expansion Box Descriplion
Weight

17.24 kg (38.00 1b) maximum

Height

10.16 cm (4.00 in)

Width

46.02 cm (18.12 in)

Depth

40.64 cm (16.00 in)

Input voltage

Automatically adjusting ac input

120-240 Vac

Frequency range

47 to 63 Hz

Power

90 watts maximum

Table A-2.

BA42 Storage Expansion Box Operating Conditions

Temperature range!

10°C to 40°C (50°F to 104°F)

Temperature change rate

11°C (20°F) per hour maximum

Relative humidity

20% to 80% noncondensing

Maximum wet-bulb temperature

28°C (82°F)

Altitude

2400 m (8000 ft) maximum

Minimum dew-point temperature

2°C (36°F)

1Reduce maximum temperature by 1.8°C for each 1,000 meter (1.0°F for each 1,000 ft) increase in

altitude.

Table A-3.

BA42 Storage Expansion Box Nonoperating Conditions

Temperature range

5°C to 50°C (41°F to 122°F)

Relative humidity

10% to 95% noncondensing

Maximum wet-bulb temperature

46°C (115°F) packaged

Altitude

4900 m (16,000 ft) maximum

A-2

Equlpment Speclfications

R225 SCSI Hard Disk Drive Equipment Specifications
Table A-4.

RZ25 SCS! Hard Disk Drive Description

Internal drive
- Weight

0.82 kg (1.8 1b)

- Height

4.14 cm (1.63 in)

- Width

10.16 cm (4.00 in)

- Depth

14.61 cm (5.75 in)

Capacity

- Bytes per drive

426 MB

- Blocks per drive

832,627

- Block size

512 bytes

Data transfer rate

— Bus asynchronous mode

3.0 MB per second

~ Bus synchronous mode

4.0 MB per second

~ To and from media

2.1-3.2 MB per second

Seek time

2.5 ms track-to-track
14 ms average

26 ms maximum

Average latency

6.8 ms

Interface

SCSI

Table A-5.

RZ25 SCSI Hard Disk Drive Operating Conditions

Temperature range!

10°C to 55°C (50°F to 131°F)

Temperature change rate

11°C (20°F) per hour, maximum

Relative humidity

8% to 80% noncondensing

Maximum wet-bulb temperature

26°C (78°F)

Altitude

~300 to 3050 m ( —1000 to 10,000 ft)

Reduce maximum temperature by 1.8°C for each 1,000 meter (1.0°F for each 1,000 ft) increase in

altitude.

Equipment Specifications

A-3

Table A-6.

RZ25 SCSI Hard Disk Drive Nonoperating Conditions

Temperature range

--40°C to 66°C ( -40°F to 151°F)

Temperature change rate

20°C (36°F) per hour, maximum

Relative humidity

8% to 95% packaged, noncondensing

Maximum wet-bulb temperature

46°C (115°F) packaged

Altitude

-300 m to 12,200 m ( —1,000 ft to 40,000 ft)

A-4

Equipment Specifications

RZ55 SCSI Hard Disk Drive Equipment Specifications
Table A-7.

RZS55 SCS! Hard Disk Drive Description

Expansion box

- Weight

13.15 kg (29.00 Ib)

- Height

13.97 cm (5.50 in)

- Width

42.39 cm (12.75 in)

- Depth

28.55 cm (11.25 in)

Internal drive

— Weight

3.81 kg (8.40 1b)

-~ Height

8.26 cm (3.25 in)

- Width

14.61 cm (5.75 in)

— Depth

20.83 ¢m (8.20 in)

Capaaty
- Bytes per drive

332.3 MB

— Blocks per drive

649,040

- Block size

512 bytes

Data transfer rate

- Bus asynchronous mode

1.5 MB per second

— Bus synchronous mode

4 MB per second

— To and from media

1.25 MB per second

Seek time

4 ms track-to-track
16 ms average

35 ms maximum

Average latency

8.3 ms

Interface

SCSI

Equipment Specifications

A-5

Table A-8.

RZ55 SCSI Hard Disk Drive Operating Conditions

Temperature range’

10°C to 55°C (50°F to 131°F)

Temperature change rate

11°C (20°F) per hour, maximum

Relative humidity

20% to 80% noncondensing

Maximum wet-bulb temperature

25.6°C (78°F)

Minimum dew-point temperature

2°C (36°F)

Altitude

- 300 to 4600 m ( - 1000 ft to 15,000 ft)

1Reduce maximum temperature by 1.8°C for each 1,000 meter (1.0°F for each 1,000 ft) increase in

altitude.

Table A-9.

RZ55 SCSI Hard Disk Drive Nonoperating Conditions

Temperature range

-40°C to 66°C ( -40°F to 151°F)

Temperature change rate

20°C (36°F) per hour, maximum

Relative humidity

20% to 95% packaged

Maximum wet-bulb temperature

46°C (115°F) packaged

Altitude

~-300 to 12,200 m ( - 1000 ft to 40,000 ft)

A-6

Equipment Specifications

RZ56 SCSI Hard Disk Drive Equipment Specifications
Table A-10.

RZ56 SCSI Hard Disk Drive Description

Internal drive

Weight

3.81 kg (840 1b)

Height

8.26 cm (3.25 in)

Width

14.61 cm (5.75 in)

Depth

20.32 ¢m (8.00 in)

Capacity
—~ Bytes per dnive

655.17 MB

— Blocks per drive

1,299,174

- Block size

512 bytes

Data transfer rate
~ Bus asynchronous mode

1.6 MB per second

- Bus synchronous mode

4.0 MB per second

-~ To and from media

1.875 MB per second

Seek time

4 ms track-to-track
16 ms average

35 ms maximum
Average latency

83 ms

Interface

SCSI

Table A-11.

RZ56 SCSI Hard Disk Drive Operating Conditions

Temperature range!

10°C to 55°C (50°F to 131°F)

Temperature change rate

11°C (20°F) per hour, maximum

Relative humidity

8% to 80% noncondensing

Maximum wet-bulb temperature

25.6°C (78°F)

Minimum dew-point temperature

2°C (36°F)

Altitude

~300 to 4600 m ( —1000 to 15,000 ft)

1Reduce maximum temperature by 1.8°C for each 1,000 meter (1.0°F for each 1,000 ft) increase in

altitude.

Equipment Specifications

A-7

Table A-12.

RZ56 SCSI Hard Disk Drive Nonoperating Conditions

Temperature range

-40°C to 66°C ( —40°F to 151°F)

Temperature change rate

20°C (36°F) per hour, maximum

Relative humidity

8% to 95% packaged

Maximum wet-bulb temperature

46°C (115°F) packaged

Altitude

-300 to 12,200 m ( 1000 to 40,000 ft)

A-8

Equipment Specifications

RZ57 SCSI Hard Disk Drive Equipment Specifications
Table A-13.

RZ57 SCSI Hard Disk Drive Description

Internal drive
~ Weight

3.81 kg (8.40 1b)

- Height

8.26 cm (3.25 in)

-~ Width

14.61 cm (5.75 1n)

~ Depth

20.32 cm (8.00 in)

Capacity
~ Bytes per drive

1.0 gigabytes

- Blocks per drive

1,954,050

— Block size

512 bytes

Data transfer rate

— Bus asynchronous mode

1.6 MB per second

-~ Bus synchroncus mode

4.0 MB per second

- To and from media

2.5 MB per second

Seek time

4 ms track-to-track
14.5 ms average

33 ms maximum

Average latency

8.3 ms

Interface

SCSI

Table A-14.

RZ57 SCSI Hard Disk Drive Operating Conditions

Temperature range!

10°C to 55°C (50°F to 131°F)

Temperature change rate

11°C (20°F) per hour, maximum

Relative humidity

8% to 80%, noncondensing

Maximum wet-bulb temperature

26°C (78°F)

Minimum dew-point temperature

2°C (36°F)

Aluitude

~300 to 4600 m ( - 10600 to 15,000 ft)

Reduce maximum temperature by 1.8°C for each 1,000 meter (1.0°F for each 1,000 ft) increase in

altitude.

Equipment Specifications

A-9

Table A-15.

RZ57 SCSI Hard Disk Drive Nonoperating Conditions

Temperature range

—-40°C to 66°C ( —-40°F to 151°F)

Temperature change rate

20°C (36°F) per hour, maximum

Relative humidity

8% to 96%, packaged

Maximum wet-bulb temperature

46°C (115°F), packaged

Altitude

~-300 to 12,200 m ( —1000 to 40,000 ft)

A-10

Equlpment Specifications

RZ58 SCSI Hard Disk Drive Equipment Specifications
Table A-16.

RZ58 SCSI Hard Disk Drive Description

Internal drive

- Weight

3.81 kg (840 1b)

-~ Height

8.26 cm (3.25 in)

-~ Width

14.61 cm (5.75 in)

—~ Depth

20.32 ¢cm (8.00 in)

Capacity

—~ Bytes per drive

1.38 gigabytes

- Blocks per drive

2,698,061 not including spares

- Block size

512 bytes

Data transfer rate
- Bus asynchronous mode

1.6 MB per second

— Bus synchronous mode

5.0 MB per second

-~ To and from media

2.5 MB per second

Seek time

2.5 ms track-to-track

Average latency

5.6 ms

Interface

SCSI 11

Table A-17.

12.5 ms average
25 ms maximum

RZ58 SCSI Hard Disk Drive Operating Conditions

Temperature rangel

10°C to 55°C (50°F to 131°F)

Temperature change rate

11°C (20°F) per hour, maximum

Relative humidity

8% to 80%

Maximum wet-bulb temperature

26°C (78°F)

Minimum dew-point temperature

2°C (36°F)

Altitude

~300 to 4600 m ( —1000 to 15,000 ft)

1Reduce maximum temperature by 1.8°C for each 1,000 meter (1.0°F for each 1,000 ft) increase in

altitude.

Equipment Speclfications

A-11

Table A-18.

RZ58 SCSI Hard Disk Drive Nonoperating Conditions

Temperature range

—40°C to 66°C ( —40°F to 151°F)

Temperature change rate

20°C (36°F) per hour, maximum

Relative humidity

8% to 95%, packaged

Maximum wet-bulb temperature

46°C (115°F), packaged

Altitude

-300 to 12,200 m ( —1000 to 40,000 ft)

A-12

Equipment SpecHications

1230 Tape Drive Equipment Specifications
Table A-19.

TZ30 Tape Drive Description

Internal diive
—~ Weight

1.50 kg (3.31 1b)

— Height

4.14 cm (1.63 in)

- Width

14.48 cm (5.70 in)

~ Depth

21.59 cm (8.50 in)

Bit density

2624 bits per cm (6667 bits per in)

Cartridge capacity

95 Mbytes, formatted (approximate)

Media

12.77 mm (0.5 in) unformatted magnetic tape

Mode of operation

Streaming

Number of tracks

Tape speed

190 cm per second (75 in per second)

Track format

Multiple track serpentine recording

Data transfer rate

62.5 Kbytes per second

Yable A-20.

TZ30 Tape Drive Operating Conditions

Temperature range!

10°C to 40°C (50°F to 104°F)

Temperature change rate

11°C (20°F) per hour, maximum

Relative humidity

20% to 80% noncondensing

Maximum wet-bulb temperature

25°C (7T7°F)

Minimum dew-point temperature

2°C (36°F)

Altitude

2400 m (8000 ft) maximum

IReduce maximum temperature by 1.8°C for each 1,000 meter (1.0°F for each 1,000 ft) increase in

altitude.

Eguipment Speclfications

A-13

Table A-21.

TZ30 Tape Drive MNonoperating Conditions

Temperature range

~40°C to 66°C ( —~40°F to 151°F)

Temperature change rate

20°C (36°F) per hour, maximum

Relative humidity

10% to 95%

Maximum wet-bulb temperature

2°C (36°F)

Altitude

9100 m (30,000 ft) maximum

A~-14

Equipment Specifications

TZK10 QIC Tape Drive Equipment Specifications
Table A-22.

TZK10 QIC Tape Drive Description

Internal drive
- Weight

1.09 kg (2.40 1b)

- Height

4.39 cm (1.73 in)

-~ Width

14.61 cm (5.75 in)

-~ Depth

20.83 cm (8.20 in)

Cartridge capacity

320 MB (approximate) with DC6320
525 MB (approximate) with DC65625

Data density

16,000 bits per in

Drive interface

SCSI-2

Media

DC8320, DC6525, or Digital-approved
equivalent

Mode of operation

Streaming

Number of tracks

Power consumption, normal

20 watts

Power consumption, peak

33 watts

Transfer rate

200 KB per second at average streaming mode
1.5 MB per second at SCSI maximum

Tape speed

305 cm (120 in) per second

Track format

Multiple track serpentine recording

Table A-23.

TIK10 QIC Tape Drive Operating Conditions

Temperature range!

5°C to 40°C (50°F to 104°F)

Temperature change rate

11°C {20°F) per hour, maximum

Relative humidity

2% to 80% noncondensing

Maximum wet-bulb temperature

28°C (82°F)

Minimum dew-point temperature

2°C (36°F)

Altitude

3900 m (13,00C ft) maxymum

'Reduce maximum temperature by 1.8°C for each 1,000 meter (1.0°F fcr each 1,000 ft) increase in
altitude.

Eguipment Specifications

A-15

Table A-24.

TZK10 QIC Tape Drive Nonoperating Conditions

Temperature range

-30°C to 60°( —22°F to 151°F)

Temperature change rate

20°C (36°F) per hour, m aximum

Relative humidity

10% to 95%

Maximum wet-bulb temperature

46°C (115°F)

Altitude

12,200 m (40,000 ft) maximum

A-16

Eqgulpment Specifications

RX23 Diskette Drive Equipment Specifications
Table A-25.

RX23 Diskette Drive Description

Internal drive

- Weight

0.48 kg (1.06 1b)

- Height

3.00 cm (1.18 in)

- Width

10.16 ¢cm (4.00 in)

- Depth

15.01 cm (591 in)

Number of tracks

Number of heads

Step rate

3 ms per track

Diskette size

8.9 ¢m (3.5 in)

Recording surfaces per diskette

Sectors per track

9 double density
18 high density

Capacity

— Bytes per drive

737 KB double density

1,474 KB high density
— Blocks per drive

1,440 double density
2,880 high density

- Block size

512 bytes

Data transfer rate
— To and from media

250 Kbits per second double density
500 Kbits per second high density

Operating power

3.0 watts

Standby power

0.3 watts

Equipment Specifications

A-17

Table A-26.

RX23 Diskette Drive Operating Conditions

Temperature range!

5°C to 50°C (40°F to 122°F)

Temperature change rate

11°C (20°F) per hour, maximum

Relative humidity

8% to 80%, noncondensing

Maximum wet-bulb temperature

29°C (80°F)

Minimum dew-point temperature

2°C (36°F)

Altitude

-300 to 3060 m ( - 1,000 ft to 10,000 ft)

1Reduce maximum temperature by 1.8°C for each 1,000 meter (1.0°F for each 1,000 ft) increase in

altitude.

Table A-27.

RX23 Diskette Drive Nonoperating Conditions

Temperature

~40°C to 66°C ( —40°F to 151°F)

Temperature change rate

20°C (36°F) per hour, maximum

Relative humidity

5% to 95%, packaged

Maximum wet-bulb te.aperature

46°C (115°F), packaged

Altitude

-300 to 12,300 m ( - 1,000 ft to 40,000 ft)

A-18

Equipment Specifications

‘\
»

RX33 Diskette Drive Equipment Specifications
Table A-28.

RX33 Diskette Drive Description

Internal drive
~ Weight

1.10 kg (2.43 1b)

-~ Height

4.32 cm (1.70 1n)

-~ Width

14.61 cm (575 1n)

- Depth

20.32 c¢m (8.00 in)

Number of tracks

Number of heads

Track density

96 tracks per inch

Step rate

3 ms per track

Digkette size

13.13 cm (5.25 in)

Recording surfaces per diskette

Sectors per track

10 normal density
15 hugh density

Capacity

— Bytes per drive

409 KB normal density
1200 KB high density

— Blocks per drive

800 normal density
2400 high density

— Block size

512 bytes

Data transfer rate

— To and from media

250 Kbits per second normal density

500 Kbits per second high density
Operating power

4.1 watts

Standby power

1.5 watts

Equipment Speclfications

A-19

Table A-29.

RX33 Diskefte Drive Operating Conditions

Temperature range’

10°C to 46°C (50°F to 115°F)

Relative humidity

20% to 80% noncondensing

Maximum wet-bulb temperature

45°C (113°F)

Minimurmn dew-point temperature

2°C (36°F)

Altitude

2400 m (8000 ft) maximum

Temperature change rate

11°C (20°F) per hour, maximum

1Reduce maximum temperature by 1.8°C for each 1,000 meter (1.0°F for each 1,000 &) increase in

altitude.

Table A-30.

RX33 Diskette Drive Nonoperating Conditions

Temperature

-34°C to 60°C ( -30°F) to 140°F)

Temperature change rate

20°C (36°F) per hour, maximum

Relative humidity

5% to 90%

Maximum wet-bulb temperature

45°C (113°F) packaged

Altitude

9100 rv (30,000 ft) maximum

A<20

Equlpment Specifications

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B
BA42 Configurations and Part Numbers

Table B-1.

BA42 Storage Expansion Box Configurations
Order Number

Expansion Box Configuration

120 Volt

240 Volt

Single RZ25

SZ12G-XA

S712G-XB

Double RZ25

SZ12G-GA

Single RZ25, single TZ30

SZ12G-HA

SZ12G-HB

Single R225, single TZK10

SZ12G-EA

SZ12G-EB

Singie RZ225, single RRD42

SZ12G-FA

S5Z12G-FB

RZ25 upgrade kit

RZ25-UK

Single RZ55

SZ12A-XA

SC12A-XB

Double RZ55

SZ12A-AA

SZ12A-AB

Single RZ56

SZ12B-XA

SZ12B-XB

Double RZ56

SZ12B-BA

SZ12B-BB

Single RZ57

SZ12C-XA

SZ12C-XB

Double RZ57

SZ12C-CA

SZ12C-CB

Single RZ55, single RX23

SZ12A-LA

SZ12A-LB

Single RZ55, single RX33

SZ12A-MA

SZ12A-MB

Single RZ55, single TZ30

SZ12A-HA

SZ12A-HB

Single RZ55, single TZK10

SZ12A-EA

SZ12A-EB
(continued on next page)

BA42 Configurations and Part Numbers

8-1

Table B-1 (Cont.).

BA42 Storage Expansion Box Configurations
Order Number

B-2

Expansion Box Configuration

120 Volt

240 Volt

Single RZ55, single RRD42

SZ12A-FA

SZ12A-FB

Single RZ56, single TZ30

SZ12B-HA

SZ12B-HB

Single RZ56, single TZK10

SZ12B-EA

SZ12B-EB

Single RZ56, single RRD42

SZ12B-FA

SZ12B-FB

Single RZ57, single TZK10

SZ12C-EA

SZ12C-EB

Single RZ57, single RRD42

SZ12C-FA

SZ12C-FB

Single RZ58

SZ12-JX

Double RZ58

SZ12-4J

Single RX23

SZ12X-LA

SZ12X-LB

Single RX33

SZ12X-MA

SZ12X-MB

Single TZ30

SZ12X-HA

SZ12X-HB

Single TZK10

SZ12X-EA

SZ12X-EB

BA42 Configurations and Part Numbers

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C
TZ30 Tape Drive

The TZ30 is a 1/2-inch, 95-megabyte, half-height tape drive.
This appendix tells you how to
s

Set SCSI ID switches on the TZ30 tape drive

Attach the internal BA42 expansion box SCSI signal and
power cables to the TZ30 tape drive

Use the TZ30 tape drive

Handle and store tape cartridges

1230 Tape Drive

C-~1

Setting the SCSI ID Switches
SCSI ID switches for the TZ30 tape drive are arranged

vertically on the siac¢ of the drive. The bottom switch is
switch 1. The top switch is switch 4.

To set the SCSI ID number on a TZ30 tape drive, start from the
bottom switch and work up, setting the switches to the left or
to the right.
Table C-1 shows the SCSI ID switch settings for the TZ30
tape drive. Figure C-1 shows the SCSI ID switches set to ID
number 5.
Table C-1.

SCSI ID Switch Seiftings for the T230 Tape Drive

SCs! ID

Number

Switch 1!

Switch 2

Switch 3

Switch 4

0
1

Left
Left

Right
Right

Right
Left

Left

Right

Left

Right

Left

Right

Left

Right

Left

Right

Left

Right

Left

lawitch 1 should always be set to the left.

C-2

TZ30 Tape Drve

SCS! D switches
set to 1D number 5
(from the bottom,

Left Left Right Left)

WSEBAIS8

Figure C-1.

SCSI ID switches on the TZ30 tape drive

1230 Tape Drive

C-3

Attaching the Internal Expansion Box Cables to a Drive
Figure C-2 shows how to attach the expansion box internal

SCSI signal cable and power cable to a TZ30 tape drive.

SCSl signal cable

FPower cable

WSEBAI33

Figure C-2.

Aftaching the infemal expansion box cables to .

drive

C-4

TZ30 Tape Dive

230 tape

Using a TZ30 Tape Drive

1230 Tape Cartridge
The TZ30 tape drive uses CompacTape TK50 tape cartridges.

Wirite-protect switch

WSEBAIS9

Figure C-3.

A TZ30 tape cartridge

1230 Tape Drve

C-8

External Confrols and Indiccators
Figure C-4 shows the external controls and indicator lights on

the TZ30 tape drive. Table C-2 explains how to interpret the
indicator lights on the drive.

Write-protect
indicator light

Tape-in-use
indicator light

Operate-laver
indicator light

Tape cartridge

Unload button

locking lever

YWSEBAl44

Figure C-4.

ape Drive

External controls and indicator lights on the TZ30 tape drive

Table C-2.

Indicator Lights on the TZ30 Tape Drive

Light

State

Meaning

Orange

The tape is write-protected.

Off

The tape is write-enabled.

Yellow (Tape-in-use)

Blinking!

The tape is in use.

Green (Operate lever)

You can load the tape (move the
lever to the right) or unload it

(Write-protect)

The tape is ready for use.

(move the lever to the left).

All three

Off

Do not move the lever.

Blinking

A cartridge error has been
detected.

On?

The power-up diagnostic test is
running.

Blinking

A drive fault has been detected.

1Past blinking (four times a second) indicates that a read or write is in progress.

Medium blinking (two times a second) indicates that the tape is loading or unloading.
Slow blinking (once a second) indicates that the tape is rewinding.

2A11 three lights stay on for a few seconds, while the power-up diagnostic test is
running. If all three lights stay on for a long time, it means that the power-up
diagnostic test has failed.

1230 Tape Diive

C-~7

Write-Protecting a Tape Cartridge
To prevent information on the tape from being written over,
write-protect the cartridge. To do this,
1.

Find the write-protect switch on the right side of the front
of the cartridge.

Slide the switch to the left until an orange dot appears
above the left arrow on the switch.

Tape cartridge

Orange dot

Write-protected
position

WSEBAI41

Figure C-5.

C-8

TZ30 Tape Drve

Write-protecting a 17230 tape cartridge

Write-Enabling a Tape Cartridge
To write data to a cartridge, write-enable it. To do this,
1.

Find the write-protect switch on the right side of the front

of the cartridge.
Slide the switch all the way to the right until the orange
dot disappears.

Tape cartridge

Write-enabled
pesition

Write-protect switch
WSEBAI42

Figure C-6.

Wirite-enabling a TZ30 tape cartridge

TZ230 Tape Drive

C-®

Inserting a Tape Cartridge into a Drive
Before using a cartridge, check the position of the tape leader
inside it to make sure it is correct.
1.

Remove the cartridge from its protective case.

Open the door on the back of the cartridge.
a.

Insert your thumb into the groove on the right corner
of the back of the cartridge.

Press up on the door lock to release it.
Push the right edge of the door away from you until the
door is fully open and you can see the leader.

WSEBAI39

Figure C-7.

C~10

TZ30 Tape Diive

Opening the door on a cartridge

Be sure the leader is positioned as shown in Figure C-8. If
it looks different in any way, use another cartridge.

Caution: Using a cartridge that has an incorrectly positioned

leader can damage your tape drive.
Tape cartridge

Cartridge leader

WSEBAI40

Figure C-8.

A tape leader positioned correctly in a cartridge

T230 Tape Drve

C-11

To insert a tape cartridge into the drive,
1.

Make sure the system unit is on.

2. The TZ30 operate lever light (green) comes on and a beep
sounds.

Make sure the lever is to the left in the open position.
Insert the tape cartridge into the drive, as shown in
Figure C-9.

With the cartridge all the way in, slide the lever all the way
to the right into the closed position. The green light goes
off and the yellow tape-in-use light blinks, indicating that
the tape is being loaded.

Locking lever

WSEBAISE

Figure C-9.

C-12

T1Z30 Tape Dive

Inserting a tape cartridge info a 1230 tape drive

Removing a Tape Cartridge from a Drive
Caution: The tape cartridge must be removed from a drive before
the drive is turned off. Failure to remove the cartridge can result in
damage to the cartridge and to the drive.
To remove a tape cartridge from the drive,

Press the unload button. Wait approximately 2 minutes for

When the green light comes on and the beep sounds, slide
the lever to the left. The cartridge ejects. Remove the

the tape to rewind.

cartridge, as shown in Figure C-10.

Locking lever

WSEBAIS?

Figure C-10.

Removing a tape cartridge from a T230 tape drive

T230 Tape Drive

C-13

Handling and Storing Tape Cartridges
Incorrect handling and storing of tape cartridges can damage

them and cause loss of data. In turn, damaged cartridges can

damage the tape drive. The following precautions should be
taken:

C-14

Do not touch the exposed surface of the tape.

Store tape cartridges in their protective containers.

Place cartridge labels in the front slide slot to the left of
the write-protect switch. Placing labels on the top, bottom,
sides, or rear of the cartridge can damage the tape drive.

Do not drop tape cartridges. Doing so can damage the
cartridges.

Keep cartridges out of extreme temperatures and away
from direct sunlight.

TZ30 Tape Drive

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D
RX23 Floppy Disk Drive

The RX23 is a 3-1/2 inch, 1.44-megabyte, half-height floppy disk
drive. This appendix tells you how to

Set SCSI ID switches on the RX23 floppy disk drive

Attach the internal BA42 expansion box SCSI signal and
power cables to the RX23 floppy disk drive

Use the RX23 floppy disk drive

Handle and store floppy diskettes

RX23 Floppy Disk Drive

D-1

Setting the SCSI ID Switches
SCSI switches for the RX23 floppy disk drive are located on the
left side of the drive as you face the front of the drive.
Table D-1 shows the SCSI ID swiich settings for the RX23
floppy disk drive. Figure D-1 shows the SCSI ID switches set to
ID number 5.

D-2

Table D-1.

SCSI 1D Switch Settings for the RX23 Floppy Disk Drive

SCSIID

Number

Switch 1

Switch 2

Switch 3

Down

RX23 Floppy Dkk Drive

Switch Seitings

SCSI ID switches set
to ID number §

{Down Up Down)

WSEBAI34
Figure D-1.

SCSI ID switches on the RX23 floppy disk drive

RX23 Foppy Disk Drive

D=3

Attaching the Internal Expansion Box Cables to a Drive
Figure D-2 shows how to attach the expansion box internal
SCSI signal cable and power cable to an RX23 floppy disk
drive.

WSEBAR1

Figure D-2.

AMaching the internal expansion box cables to an RX23
floppy disk drive

RX23 Floppy Disk Drve

Using an RX23 Floppy Disk Drive
RX23 Floppy Diskette

The RX23 floppy disk drive uses high-density RX23K floppy
diskettes. You can identify a high-density diskette by the
notches that appear in each lower corner of the diskette. A
floppy diskette that has a notch in only one corner is not a
high-density diskette.
. Arrow

Logo

]
.

Label

0
Front

s l‘ J

- J’HE
r

J_I!I_
I/

‘\‘\\

\\
\

—

\\\

/
/ Back

DERX035

Figure D-3.

An RX23 floppy diskeite

RX23 Floppy Disk Drive

D-5

External Conirols and Indicators
Figure D-4 shows the external controls and indicators on the

RX23 floppy disk drive.

Indicator light

Eject button

WESBAI61

Figure D-4.

D-6

Extemal controls and indicators on the RX23 floppy disk
drive

RX23 Floppy Disk Drive

Write-Protecting a Floppy Diskette
To prevent information on a diskette from being written over,
write-protect the diskette. To do this,
1.

Find the black write-protect switch in the lower-right corner
on the back of the floppy diskette.
Move the switch toward the bottom of the floppy diskette
until it clicks and locks into place, and a small, square
opening appears just above the switch.
Switch in the
write-protect

position

Write-protect switch
in the write-enable
position
WSEGO32

Figure D-5.

Write-protecting an RX23 floppy diskette

RX23 Floppy Disk Drive

D=7

Write-Enabling a Floppy Diskette
To write data to a diskette, write-enable it. To do this,
1.

Find the black write-protect switch in the lower-right corner
on the back of the floppy diskette.

Move the switch up until the hole in the floppy diskette is
closed and the switch clicks and locks into place.

Switch in the

write-enable
position

Write-protect switch
in the write-protect

position

WSEG040

Figure D-6.

D-8

Wirite-enabling an RX23 floppy diskette

RX23 Floppy Disk Drive

inserting a Floppy Diskette into a Drive
To insert a floppy diskette into the drive,
1.

Position the floppy diskette so the metal portion on the
front of the diskette points to the center of the slot in the
drive.

WSEG036

Figure D-7.

Inserting a floppy diskette into an RX23 floppy disk drive

RX23 Floppy Disk Drive

D-9

Gently push the floppy diskette into the slot until it clicks
and drops down into place.

WSEG037

Figure D-8. A floppy diskette positioned correctly in an RX23 floppy
disk drive

D-10

RX23 Floppy Disk Drive

Removing a Floppy Diskefte from a Drive

To remove a floppy diskette from the drive,
1.

Be sure the indicator light on the front of the drive is not
glowing yellow. This shows the drive is still operating.
Caution: Removing a floppy diskette from a drive while the
indicator light glows yellow can damage the floppy diskette and
the drive.

Press the eject button on the lower-right corner of the drive.
Pull the diskette out of the drive.
T

Eject button

WSEGO038

Figure D-9.

Removing a floppy diskefte from an RX23 floppy disk drive

RX23 Floppy Disk Drive

D-11%

Handling and Storing Floppy Diskettes
Incorrect handling and storing of floppy diskettes can damage
them and cause loss of data. In turn, damaged diskettes can
damage the disk drive. The following precautions should be
taken:

B-12

Keep diskettes dry.

Keep diskettes out of extreme temperatures and away from
direct sunlight.

Store floppy diskettes away from magnetic fields, such
as those produced by motors, transformers, and video
terminals and monitors.

RX23 Floppy Disk Drive

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E
RX33 Floppy Disk Drive

The RX33 is a 5-1/4 inch, 1.2-megabyte, half-height floppy disk
drive. This appendix tells you how to

Set SCSI ID switches on the RX33 floppy disk drive
Attach the internal BA42 exransion box SCSI signal and
power cables to the RX33 floppy disk drive

Use the RX33 floppy disk drive

Handle and store floppy diskettes
Format diskettes in the RX33 floppy disk drive

RX33 Floppy Disk Drive

E-1

Sefting the SCSI ID Switches
SCSI switches for the RX33 floppy disk drive are located inside
the bracket on the left side of the drive as you face the front of
the drive.
Table E-1 shows the SCSI ID switch settings for the RX33
floppy disk drive. Figure E-1 shows the SCSI ID switches set to
ID number 5.
Table E-1.

SCSI ID Switch Seftings for the RX33 Floppy Disk Drive
Swiich Seftings

SCsI D

E-2

Number

Switch 1

Switch 2

Switch 3

Down

RX33 Floppy Disk Drive

SCSI D switches

set to ID number 5
{Down Up Down)

WSERAI2Y

.
Figure E-1.

SCSI ID switches on the RX33 floppy disk drive

RX33 Floppy Disk Drive

E-3

Aftaching the Internal Expansion Box Cables to a Drive
Figure E-2 shows how to attach the expansior box internal
SCSI signal cable and power cable to an RX33 floppy disk
drive.

Power cable

WSEBAIZ2

Figure E-2.

Altaching the Internal expansion box cables to an RX33

floppy disk drive

E-4

RX33 Floppy Disk Drive

Using an RX33 Floppy Disk Drive
RX33 Floppy Diskette

The RX33 fioppy disk drive uses double-sided, high-density,
removable RX33K floppy diskettes.
Caution:

Tbuching the diskette surface where it shows through its

cover can damage the diskette.

Diskette label

Write-protedt notch

/
PO

——"“

-_,/-*—/',,_—4--

WSEBAIS4

Figure E-3.

An RX33 floppy diskeite

RX33 Floppy Disk Drive

E-5

External Controls and indicators
Figure E-4 shows the external controls and indicators on the

RX33 floppy disk drive.

Indicator light

4 Locking lever

WSEBAI62

Figure E-4.

External controls and Iindicators on the RX33 floppy disk

drive

E-6

RX33 Floppy Disk Drive

Write-Protecting a Floppy Diskette

To prevent information on a diskette from being written over,
write protect it. To do this, cover the write-protect notch on the
side of the diskette with write-protect tape supplied with your
floppy diskettes.
Write-protect

P tape
/,/

[A——

C (|

|S
——

WSEBAISS

Figure E-5.

Wirite-protecting an RX33 floppy diskefte

Write-Enabling a Floppy Diskette
To write data to a diskette, write-enable it by peeling off the
write-protect tape from the write-protect notch on the diskette.

RX33 Foppy Disk Drive

E~7

Inserting a Floppy Diskefte into a Drive
To insert a floppy diskette into the drive,

1. Position the diskette so that the arrow on the diskette label e
is pointing towards the slot opening in the drive.

Push the diskette all the way into the slot until it stops.
Move the lever clockwise to its vertical position.
Indicator light

Locking lever '
WSEBAIS2

Figure E-6.

E-8

Inserting a floppy diskefte info an RX33 floppy disk drive

RX33 Floppy Disk Drive

Removing a Floppy Diskette from a Drive
To remove a floppy diskette from the drive,
1.

Check the light on the front of the drive. If the light glows
red, the drive is active. Do not attempt to remove a diskette
when the drive is active, or the diskette may be damaged.
Note:

If during software installation, the light remains lit when

the drive is not active, follow the instructions in your software

documentation.

Once the light is off, move the lever to the horizontal
position and remove the diskette.
Locking iever

WSEBAI53

Figure E-7.

Removing a floppy disketlte from an RX33 floppy disk drive

RX33 Floppy Disk Drive

E-9

Handling and Storing Floppy Diskettes
Incorrect handling and storing of floppy diskettes can damage
them and cause loss of data. In turn, damaged floppy diskettes
can damage the disk drive. Take the following precautions:
Keep floppy diskettes in paper envelopes when not in use.

Do not fold or bend floppy diskettes.
Do not touch the exposed surface of floppy diskettes.
Handle only the top label area.

Store floppy diskettes vertically. To prevent warping, avoid
packing them tightly.
Use only a felt-tip pen when labeling floppy diskettes. The
pressure of a sharp instrument, such as a percil or pen, can
damage diskette surfaces.
Keep diskettes out of extreme temperatures and away from
direct sunlight.
Store floppy diskettes away from magnetic fields, such
as those produced by motors, transformers, and video
terminals and monitors.

E-10

RX33 Floppy Disk Drive

Formatting RX33 Floppy Diskettes
Each new RX33 floppy diskette must be formatted and
initialized before it can be used.

The following pages tell you how to format RX33 floppy
diskettes when using VMS or ULTRIX.
Using VMS
To format and initialize RX33 floppy diskettes using VMS, do
the following:
1.

Insert the RX33 floppy diskette into the disk drive.

Enter the following command at the VMS § prompt:
initialize/density=double

Note:

This command may fail the first time. Repeat the command

if you receive an error message or if you receive a message that the
device you are ustng is offline.

Refer to the VMS documentation set for additional information
on the initialize/density=double command.

Using ULTRIX Version 4.1 or Higher
Note:

If you are using a version of ULTRIX prior to ULTRIX Version

4.1, turn to page E-13 for instructions.

To format and initialize RX33 floppy diskettes using ULTRIX
Version 4.1 or higher, use the following rzdisk utility program.
For the purposes of this discussion we will assume that
your drive has been installed as special device file rrz5. Use
whatever address is convenient and available on your system.

To format a diskette,
1.

Insert an RX33 floppy diskette into the drive.

Type the command line rzdisk -f /dev/rrz5c at the
ULTRIX prompt and press Return to invoke the rzdisk
utility program.

RX33 Floppy Disk Drive

E~11

The indicator light on the front of the drive will glow red
as the drive accesses the diskette. In a few moments, the
following format option menu will appear on your screen:
Please

enter

one

the

following

1.44MB

720KB

3.5"

1.2MB

5.25"

DISKETTE

(15

sector,

cylinder,

head)

400KB

5.25"

DISKETTE

(10

sector,

cylinder,

head)

360KB

5.25"

DISKETTE

OTHER FORMAT

CANCEL FORMAT

diskette

TYPE

(18

(you

sector,

options:

diskette

format

Format

3.5"

sector,

supply

cylinder,

format

cylinder,

head)

parameters)

OPERATION

type:

Select option 3 to format an RX33K HD diskette. Enter it
at the prompt, and press Return. Your system will then
format the diskette.
Note:

Use options 4 or 5 to format single density diskettes.

When the formatting operation is complete, use the ULTRIX

newfs command to build the file system on the diskette. Type
newfs -n /dev/rrz5c rx33 at the prompt and press Return.

The following is sample output received as a result of applying
this command to a diskette that ha~ a 1.2MB, 15 sector-pertrack layout:
Warning:

missing

/dev/rrz5c:
1.2Mb

2400
5

disk

groups

(16

c/g,

0.25Mb/g,

(for

fsck

-b#)

at:

cyl

backups

32,

992,

E-12

1488,

RX33 Floppy Disk Drive

1952,

table

super~block

528,

partition

sectors

cylinders

tracks,

i/qg)

sectors

Using Versions of ULTRIX Prior to ULTRIX Version 4.1
To format and initialize RX33 floppy diskettes using versions of
ULTRIX prior to ULTRIX Version 4.1, use the following rzdisk
utility program.
For the purposes of this discussion we will assume that
your drive has been installed as special device file rrz5. Use
whatever address is convenient and available on your system.
To format a diskette,
1.

Insert an RX33 floppy diskette into the drive.

Type the command line rzdisk -f /dev/rrz5c at the

ULTRIX prompt and press Return to invoke the rzdisk
utility program.
The indicator light on the front of the drive will glow red
as the drive accesses the diskette. In a few moments, the
following format option menu will appear on your screen:
Flease

enter

cne

1.44MB

720KB

OTHER FORMAT

CANCEL

Format

3.5"

FORMAT

the

fcllowing

diskette

diskette
TYPE

(you

(18

format

sector,

supply

format

options:

cylinder,

head)

parameters)

OPERATION

type:

Select option 3 for “other format type.”
The following series of prompts for information appear on
the screen:
e

Number of sectors

Number of heads

Number of cylinders

Number of step pulses per cylinder

Transfer rate (kbits per second)

RX33 Floppy Disk Drive

E-13

Refer to the following tabl» when answering the prompts.
Transfer
Number - Number

Formatied

Number of

Rate

Media
Type

Capacity

of
Sectors

of
Heads

Cylinders

Step Puises
per Cylinder

second)

HD
HD

1.2 Mbytes
720 Kbytes

15
9

2
2

80
80

0.~
0

500
250

HD/DD

360 Kbytes

250

HD/DD

400 Kbytes

250

('I'

(kblts per

When the formatting opera-ion is complete, use the ULTRIX
newfs command to build the file system on the disk. Type
newfs -n /dev/rrzbc rx33 at the prompt and press Return.
The following is sample output received as a result of applying
this command to a diskette that has a 1.2MB, 15 sector-pertrack layout:
Warning:

missing

/dev/rrz5c:
1.2Mb

2400
5

cyl

disk partition

sectors in
groups

(16

table

cylinders

c/g,

super-block backups (for fsck -b#) at:
32,

E-14

528,

992,

1488,

RX33 Floppy Disk Drive

1952,

of 2 tracks,

0.25Mb/g,

i/q)

sectors

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F
TZK10 QIC Tape Drive

The TZK10 QIC (quarter-inch cartridge) tape drive is a halfheight, 5 1/4-inch streaming tape drive. This appendix tells you
how to
s

Set SCSI ID jumpers on the TZK10 QIC tape drive

Attach the internal BA42 expansion box SCSI signal and
power cables to the TZK10 QIC tape drive

Use the TZK10 QIC tape drive

Handle and store tape cartridges

TZK10 QIC Tape Drve

Setting the SCSI ID Jumpers

Instead of SCSI ID switches, the TZK10 QIC tape drive uses

jumpers inserted on pins inside the middle connector on the
back of the drive to determine the SCSI ID number for the
drive.

Counting from the left side of the connector, the location
of jumpers on the seventh, eighth, and ninth sets of pins
determines the SCSI ID number. The seventh set of pins is
reserved for drive select ID 2, the eighth set for ID 1, and the
ninth set for ID 0.
Note: Jumpers located on the sixth and last sets of pins should
always be set to the in position. These jumpers are not related to

setting the SCSI ID.

Table F-1 shows the SCSI ID jumper settings for the TZK10
QIC tape drive.
Figure F-1 shows the SCSI ID jumpers set to SCSI ID
number 5.

Table F-1. SCSI ID Jumper Settings for the TZK10 QIC Tape Drive

SCsi ID

iDO

Number

Jumper

Out

QOut

Out

Qut

Cut

Out

TZK10 QiC Tape Drive

Use thase three sets of pins
to set the SCSI! ID number.
‘

{The jumpers shown here

are set to SCSI ID number

WSEBAIGS

Figure F-1.

SCSI ID jumpers on the TZK10 QIC tape drive

TZK10 QIC Tape Dive

Aftaching the Internal Expansion Box Cables to a Drive
Figure F-2 shows how to attach the expansion box internal
SCSI signal cable and power cable to a TZK10 QIC tape drive.
SCSI signal cable

Power cable

WSEBAIs4

Figure F-2.

Aftaching the internal expansion box cables to a TZK10 QIC
tape drive

TZK10 QIC Tape Drive

Using a TZK10 QIC Tape Drive
TZK10 QIC Tape Cartridge

The TZK10 QIC tape drive uses a DC6320 or DC6525 or
equivalent tape cartridge.
Write-protect switch

Label

@ SAFE

WSEBAIE0

Figure F-3.

A TZK10 QIC tape cartridge

TZK10 QIC Tape Drive

F-5

External Controls and Indicators
Figure F-4 shows the external controls and indicators on the

TZK10 QIC tape drive. Table F-2 explains how to interpret the
indicator light on the drive.

Cover-release button

indicator light

WSEBAIW?

Figure F-4.

Extemal controls and indicators on the TZK10 tape drive

Table F-2.

Indicalor Light on the TZK10 QiC Tape Drive

State

Meaning

Off

A tape is not present in the drive or the tape is
present but has been unloaded via software.

Solid green

The tape is loaded.!

Blinking green

The tape is in motion

Solid yellow

A drive fault has been detected.

IThe tape cartridge is automatically loaded upon insertion.

TZK10 QIC Tape Drive

Write-Protecting or Write-Enabling a Tape Cartridge

To prevent information on a tape from being written over, writeprotect the cartridge. To do this, set the write-protect switch
with the arrow pointing toward the SAFE label on the tape
cartridge.

To write data to a tape, write-enable the cartridge. To do this,
set the write-protect switch with the arrow pointing way from
the SAFE label on the tape cartridge.

~ Write protected

Write enabled
o

WSEBAIS?

Figure F-5.

Write-protect and write-enable switch positions on a TZK10
QIC tape cartridge

TZK10 QIC Tape Drive

-7

inserting a Tape Cartridge into a Drive
To insert a tape cartridge into the drive,

1. Open the drive door by pressing the cover-release button.

Insert the cartridge into the drive opening by positioning
the cartridge so the write-protect switch is in the forward
upper right corner.

Slide the cartridge straight into the drive until you feel
resistance.

Cover release bufton

WSEBAI48

Figure F-6.

-8

Inserting a tape cartridge Into the T2ZK10 QIC tape drive

TZK10 QIC Tape Drive

Close the drive door.

WSEBAI49

Figure F-7.

Closing the drive door on the TZK10 QIC tape drive

TZK10 QiC Tape Drive

F-9

Removing a Tape Cartridge from a Drive
To remove a tape cartridge from the drive,

1. Check to see that the green indicator light on the front of .
the drive cover is glowing solid or is off. This ensures the
tape cartridge is not in motion.
Note:

The green indicator light may be off if the tape is present

but has been unloaded via software.

Press the cover-release button to open the drive door.

Pull the drive door down, grasp the cartridge and slide it
out of the drive.

F~10

TZK10 QIC Tape Drive

Cover reloase button

WSEBAIS0

Figure F-8.

Removing a tape cartridge from the TZK10 QIC tape drive

TZK10 QIC Tape Drive

F=11

Handling and Storing Tape Cartridges
Incorrect handling and storing of tape cartridges can damage
them and cause loss of data. In turn, damaged cartridges can
damage the tape drive. The following precautions should be
taken:

Do not drop tape cartridges. Doing so can damage the
cartridges.

Store cartridges in their protective containers on edge or
stacked.
Place cartridge labels in the space provided on the top of
the cartridge. Placing labels on the front, bottom, sides, or
rear of the cartridge can damage the tape drive.
Keep cartridges out of extreme temperatures and away
from direct sunlight.
Store cartridges away from magnetic fields, such as those
produced by motors, transformers, and video terminals and
monitors.

F-12

TZK10 QIC Tape Drive

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G
RRD42 Compact Disc Drive

The RRD42 is a half-height, 5 1/4-inch, 600-megabyte compact
disc drive. This appendix tells you how to
s

Select the mode of operation and set the SCSI ID jumpers
on the RRD42 compact disc drive

Attach the internal BA42 expansion box SCSI signal and

power cables to the RRD42 compact disc drive
s

Insert and remove a compact disc from a disc caddy.

Use the RRD42 compact disc drive

Handle and store compact discs

RRD42 Compact Disc Dive

G-1

Sefting the Mode Select and SCSI ID Jumpers
The RRD42 compact disc drive uses jumpers inserted on sets of
pins on the back of the drive to determine the mode of operation
and SCSI ID number for the drive.

The presence or absence of a jumper on the mode select set of
pins determines the mode of operation for the drive. If your
operating system is VMS or ULTRIX, the jumper should be in.
If your operating system is MS-DOS or SCO UNIX, the jumper
should be out. The drive is shipped with the mode jumper in.
The location of jumpers on the next three sets of pins
determines the SCS! ID number for the drive.
Table G-1 shows the SCSI ID jumper settings for the RRD42
compact disc drive.
Figure G-1 shows the mode select jumper in and the SCSI ID
jumpers set to SCSI ID number 4.
Table G-1.

G~-2

SCSI ID Jumper Settings for the RRD42 Compact Disc Drive

SCSI ID

ID1

iD 2

Number

Jumper

Out

Qut

Out

RRD42 Compact Disc Drive

Mode select jumper

SCSIH D jumpers set to
ID number 4 (Out Out In)

WSEBAIGE

Figure G-1.

Mode select and SCSI ID jumpers on the RRD42 compact

disc drive

RRD42 Compact Disc Drive

6-3

Aftaching the Internal Expansion Box Cables to a Drive
When attaching the SCSI signal cable to the drive, match the
key on the cable connector with the notch in the connector
on the drive. Tb do this, twisc! the cabie a half turn before
attaching it to the drive. Figure G-2 illustrates the location of
the key on the SCSI signal cable.
Figure G-3 shows how to attach the expansion box internal
SCSI signal cable and power cable to an RRD42 compact disc
drive.

SCSi cable
connector

WSEBAI77

Figure G-2.

G-4

The SCSI signal cable connector and key

RRD42 Compact Disc Drive

SCSl signal cable

Powar cable

’% . \\\ AW

\\\\\\\

WSEBAI7S

Figure G-3.

Alaching the internal expansion box cables to an RRD42
compact disc drive

RRD42 Compact Disc Drive

6-5

Using an RRD42 Compact Disc
Figure G-4 shows an RRD42 compact disc in its caddy.

—} TR
R TR TORUMEREY

Disc caddy

Compact disc

WSEBAI74

Figure G-4.

G-6

An RRD42 compact disc

RRD42 Compact Disc Drive

inseriing a Compact Disc into a Caddy
To insert a compact disc into a caddy,
1.

If there is a protective film on the outside of the disc caddy,
remove it.

Protective film

WSEBAIE7

Figure G-5.

Removing the protective film from a compact disc caddy

RRD42 Compact Disc Drive

G-7

Open the cartridge by pressing in on the tabs on the edge
of the cartridge and lifting up the cover (Figure G-6).

Pick up the disc by placing your fingers on the edges of it.

Position the disc with the printed side upward, and set it
into the caddy (Figure G-7).

Close the lid by pressing down firmly on each corner,
locking the lid into place.

Be careful not to touch the surface of the disc.

WSEBAl68

Figure G-6.

G-8

Opening a compact disc caddy

RRD42 Compact Disc Drive

WSEBAIED

Figure G-7.

Inserting a disc into a compact disc caddy

RRD42 Compact Disc Diive

-9

Removing a Compact Disc from a Caddy
To remove a compact disc from a caddy,

1. Open the caddy as shown in Figure G-6.

&-10

Remove the disc carefully by placing your fingers on the
edges of the disc and lifting it out of the cartridge.

RRD42 Compact Disc Drive

Using an RRD42 Compact Disc Drive
External Controls and Indicators
Figure G-8 shows the external controls and indicators on the
RRD42 compact disc drive. Note that audio playback may not
be supported by your operating system software.
Warning:

The audio feature is meant for audio disc listening only.

Emergency
eject opening

Eject button
Busy indicator light
Headphons !evel control

‘Headphone jack
WSEBAI70

Figure G-8.

Extemal confrols and indicators on the RRD42 compact disc
drive

RRDA42 Compact Disc Drive

6G-11

Inserting a Disc Caddy into a Drive
To insert a compact disc caddy into the drive,
1.

Position the disc caddy so the disc label faces upward and
the arrow on the top edge of the caddy faces the opening in
the drive.

Insert the caddy into the drive.

WSEBAI7Y

Figure G-9.

&-12

Inserting a compact disc caddy into an RRD42 compact
disc drive

RRD42 Compact Disc Drive

Use your finger to push the caddy all the way into the
drive.

WSEBAI72

Figure G-10. Pushing a caddy into an RRD42 compact disc drive

RRD42 Compact Disc Drive

G~13

Removing a Disc Caddy from a Drive
To remove a compact disc caddy from the drive,

1. Make sure the expansion box power is on.

Press the eject hutton on the outside of the drive. After a
few seconds, the drive will partially eject the disc caddy
from the drive.

Remove the disc caddy from the drive.

WSEBAIT3

Figure G-11.

Removing a compact disc caddy from an RRD42 compact
disc drive

G~14

RRD42 Compact Disc Drive

Handling and Storing Compact Discs
Incorrect handling and storing of compact discs can damage

them and cause loss of data. In turn, damaged compact discs

can damage the disc drive. The following precautions should be
taken:

Do not drop the disc or caddy.

The caddy’s shutter automatically opens when it is inserted
into the drive. Do not open the shutter manually and touch
the disc.

When transporting the drive, remove the caddy from the
drive.

Keep the disc and caddy away from dust, direct sunlight,
high temperature, and high humidity.

When a disc is dirty, clean it with a clean, lint-free cloth.
Wipe the disc from the center out. Do not use solvents,
such as benzene, thinner, commercial cleaners, or antiseptic
sprays.

RRD42 Compact Disc Drive

G-15