IBM 7208 Model 345, 7208 345 Service Manual

7208 Mod el 345 External 8mm Tape Drive

72 08 M od el 345 8mm Tape Driv e
Service Guid e



SY32-0411-00

7208 Mod el 345 External 8mm Tape Drive

72 08 M od el 345 8mm Tape Driv e
Service Guid e



SY32-0411-00

Note!

Before using this information and the product it supports, be sure to read the general information under “Notices” on
page v.

First Edition (November, 2000)

This edition, SY32–0411–00, applies to Model 345 of the 7208 8mm Tape Drive and to all subsequent releases and
modifications until otherwise indicated in new editions. This edition applies only to the specified model of the
device.

© Copyright International Business Machines Corporation 2000. All rights reserved.

US Government Users Restricted Rights – Use, duplication or disclosure restricted by GSA ADP Schedule Contract
with IBM Corp.

Contents

Notices ...............v

Safety and Environmental Notices .......vi

Danger Notices ............vi

Caution Notices ............vii

Attention Notices ...........vii

Product Recycling and Disposal ......vii

Battery Return Program .........vii

Environmental Design..........vii

Electronic Emission Notices.........viii

Federal Communications Commission (FCC)

Statement..............viii

Trademarks ..............ix

About This Guide ..........xi

Related Publications ...........xi

How to send your comments ........xii

Chapter 1. Reference Information ....1

FrontView...............1

Operator Controls ...........2

Indicator Lights ............2

Liquid Crystal Display ..........4

Rear View ...............5

Rear View of the Drive ...........6

Internal View ..............6

Specifications ..............7

Cleaning the Tape Drive ..........8

Chapter 2. Using the Media ......11

Types of 8mm Cartridges ..........11

Guidelines for Using Tape Cartridges......12

Storage and Shipping Environments ......13

Operating in Harsh Environments .......13

Setting the Write-Protect Switch .......14

Ordering Tape Cartridges..........15

Chapter 3. Maintenance Analysis

Procedures.............17

Purpose of the MAPs ...........17

Flowchart of the MAPs ..........18

Step 1 ................19

Step 2 ................19

Step 3 ................19

Step 4 ................20

Step 5 ................20

Step 6 ................21

Step 7 ................21

Step 8 ................22

Step 9 ................22

Step 10 ................22

Step 11 ................22

Step 12 ................23

Step 13 ................23

Step 14 ................24

Step 15 ................24

Step 16 ................24

Chapter 4. Removal and Replacement

Procedures.............25

Handling Static-Sensitive Devices .......25

Removing and Replacing the Cover ......26

Removing and Replacing the Drive ......27

Removing and Replacing the Power Supply . . . 28

Removing and Replacing the Cooling Fan ....30

Manually Removing a Tape Cartridge .....31

Chapter 5. Parts Diagram and Parts

List ................35

How To Use This Parts List .........35

Example of Parts Listing .........35

Assembly 1: Parts Diagram .........36

Appendix A. Power Cables ......39

Appendix B. Fault Symptom Codes and
Error Recovery Procedure Numbers . . 41

Appendix C. Error Recovery

Procedures.............49

© Copyright IBM Corp. 2000 iii

iv 7208 Model 345 Service Guide

Notices

This information was developed for products and services offered in the U.S.A.
IBM may not offer the products, services, or features discussed in this document in
other countries. Consult your local IBM representative for information on the
products and services currently available in your area. Any reference to an IBM
product, program, or service is not intended to state or imply that only that IBM
product, program, or service may be used. Any functionally equivalent product,
program, or service that does not infringe any IBM intellectual property right may
be used instead. However, it is the user’s responsibility to evaluate and verify the
operation of any non-IBM product, program, or service.

IBM may have patents or pending patent applications covering subject matter
described in this document. The furnishing of this document does not give you
any license to these patents. You can send license inquiries, in writing, to:

IBM Director of Licensing
IBM Corporation
500 Columbus Avenue
Thornwood, NY 10594
U.S.A.

For license inquiries regarding double-byte (DBCS) information, contact the IBM
Intellectual Property Department in your country or send inquiries, in writing, to:

IBM World Trade Asia Corporation
Licensing
2-31 Roppongi 3-chome, Minato-ku
Tokyo 106, Japan

The following paragraph does not apply to the United Kingdom or any other
country where such provisions are inconsistent with local law:

INTERNATIONAL BUSINESS MACHINES CORPORATION PROVIDES THIS
PUBLICATION “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER
EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS
FOR A PARTICULAR PURPOSE. Some states do not allow disclaimer of express or
implied warranties in certain transactions, therefore, this statement may not apply
to you.

This information could include technical inaccuracies or typographical errors.
Changes are periodically made to the information herein; these changes will be
incorporated in new editions of the publication. IBM may make improvements
and/or changes in the product(s) and/or the program(s) described in this
publication at any time without notice.

Any references in this information to non-IBM Web sites are provided for
convenience only and do not in any manner serve as an endorsement of those Web
sites. The materials at those Web sites are not part of the materials for this IBM
product and use of those Web sites is at your own risk.

Any performance data contained herein was determined in a controlled
environment. Therefore, the results obtained in other operating environments may
vary significantly. Some measurements may have been made on development-level

© Copyright IBM Corp. 2000 v

systems and there is no guarantee that these measurements will be the same on
generally available systems. Furthermore, some measurement may have been
estimated through extrapolation. Actual results may vary. Users of this document
should verify the applicable data for their specific environment.

Information concerning non-IBM products was obtained from the suppliers of
those products, their published announcements or other publicly available sources.
IBM has not tested those products and cannot confirm the accuracy of
performance, compatibility or any other claims related to non-IBM products.
Questions on the capabilities of non-IBM products should be addressed to the
suppliers of those products.

All statements regarding IBM’s future direction or intent are subject to change or
withdrawal without notice, and represent goals and objectives only.

This information contains examples of data and reports used in daily business
operations. To illustrate them as completely as possible, the examples include the
names of individuals, companies, brands, and products. All of these names are
fictitious and any similarity to the names and addresses used by an actual business
enterprise is entirely coincidental.

If you are viewing this information softcopy, the photographs and color
illustrations may not appear.

The drawings and specifications contained herein shall not be reproduced in whole
or in part without the written permission of IBM.

IBM has prepared this publication for use by customer personnel for operating and
planning for the specific machines indicated. IBM makes no representations that it
is suitable for any other purpose.

Safety and Environmental Notices

Danger Notices

A danger notice calls attention to a situation that is potentially lethal or extremely
hazardous to people.

Use the following danger notices throughout this book.

DANGER

To prevent a possible electrical shock from touching two surfaces with
different electrical grounds, use one hand, when possible, to connect or
disconnect signal cables. (RSFTD004)

DANGER

An electrical outlet that is not correctly wired could place hazardous voltage
on metal parts of the system or the products that attach to the system. It is the
customer’s responsibility to ensure that the outlet is correctly wired and
grounded to prevent an electrical shock. (RSFTD201)

vi 7208 Model 345 Service Guide

DANGER

To prevent a possible electrical shock when adding or removing any devices
to or from the system, ensure that the power cords for those devices are
unplugged before the signal cables are connected or disconnected. If possible,
disconnect all power cords from the existing system before you add or
remove a device. (RSFTD203)

DANGER

To prevent a possible electrical shock when installing the device, ensure that
the power cord for that device is unplugged before installing signal cables.
(RSFTD204)

Caution Notices

A caution notice calls attention to a situation that is potentially hazardous to
people because of some existing condition.

Attention Notices

An attention notice indicates the possibility of damage to a program, device,
system, or data.

Product Recycling and Disposal

Components of the system, such as structural parts and circuit cards, can be
recycled where recycling facilities exist. IBM does not currently collect and recycle
used IBM products from customers in the United States other than those products
that are involved in trade-in programs. Companies are available to disassemble,
reutilize, recycle, or dispose of electronic products. Contact an IBM account
representative for more information.

The system unit contains batteries and circuit boards with lead solder. Before you
dispose of this unit, these batteries and circuit boards must be removed and
discarded according to local regulations or recycled where facilities exist. This book
contains specific information on each battery type where applicable.

Battery Return Program

In the United States, IBM has established a collection process for reuse, recycling,
or proper disposal of used IBM batteries and battery packs. For information on
proper disposal of the batteries in this unit, please contact IBM at 1-800-426-4333.
Please have the IBM part number that is listed on the battery available when you
make your call. For information on battery disposal outside the United States,
contact your local waste disposal facility.

Environmental Design

The environmental efforts that have gone into the design of the system signify
IBM’s commitment to improve the quality of its products and processes. Some of
these accomplishments include the elimination of the use of Class I
ozone-depleting chemicals in the manufacturing process, reductions in
manufacturing wastes, and increased product energy efficiency. For more
information, contact an IBM account representative.

Notices vii

Electronic Emission Notices

The following Statement applies to this IBM product. The statement for other IBM
products intended for use with this product will appear in their accompanying
manuals.

Federal Communications Commission (FCC) Statement

Note: This equipment has been tested and found to comply with the limits for a
class B digital devices, pursuant to Part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference in a
residential installation. This equipment generates, uses, and can radiate radio
frequency energy and, if not installed and used in accordance with the instructions,
may cause harmful interference to radio communications. However, there is no
guarantee that interference will not occur in a particular installation. If this
equipment does cause harmful interference to radio or television reception, which
can be determined by turning the equipment off and on, the user is encouraged to
try to correct the interference by one or more of the following measures:

v Reorient or relocate the receiving antenna.
v Increase the separation between the equipment and receiver.
v Connect the equipment into an outlet on a circuit different from that to which

the receiver is connected.

v Consult an IBM authorized dealer or service representative for help.

Properly shielded and grounded cables and connectors must be used in order to
meet FCC emission limits. Proper cables and connectors are available from IBM
authorized dealers. IBM is not responsible for any radio or television interference
caused by using other than recommended cables or connectors or by unauthorized
changes or modifications to this equipment. Unauthorized changes or
modifications could void the user’s authority to operate the equipment.

This device complies with Part 15 of the FCC Rules. Operation is subject to the
following two conditions: (1) this device may not cause harmful interferences, and
(2) this device must accept any interferences received, including interference that
may cause undesired operation.

Responsible Party:

International Business Machines Corporation
New Orchard Road
Armonk, NY 10504

Telephone: [phone]

Industry Canada Compliance Statement

This Class B digital apparatus meets the requirements of the Canadian
Interference-Causing Equipment Regulations.

Avis de conformitéàla réglementation d’Industrie Canada

Cet appareil numérique de la classe B respecte toutes les exigences du Réglement
sur le matériel brouilleur du Canada.

European Community Compliance Statement

viii 7208 Model 345 Service Guide

This product is in conformity with the protection requirements of EC Council
Directive 89/336/EEC on the approximation of the laws of the Member States
relating to electromagnetic compatibility. IBM cannot accept responsibility for any
failure to satisfy the protection requirements resulting from a non-recommended
modification of the product, including the fitting of non-IBM option cards.

This product has been tested and found to comply with the limits for Class B
Information Technology Equipment according to CISPR 22 / European Standard
EN 55022. The limits for Class B equipment were derived for typical residential
environments to provide reasonable protection against interference with licensed
communication devices.

Properly shielded and grounded cables and connectors (IBM part number 75G5958
or its equivalent) must be used in order to reduce the potential for causing
interference to radio and TV communications and to other electrical or electronic
equipment. Such cables and connectors are available from IBM authorized dealers.
IBM cannot accept responsibility for an interference caused by using other than
recommended cables and connectors.

Germany Only: This product is in conformity with the EN55022 Class B emission
limits.

Japanese Voluntary Control Council for Interference (VCCI) Statement

This product is a Class B Information Technology Equipment and conforms to the
standards set by the Voluntary Control Council for Interference by Information
Technology Equipment (VCCI). This product is aimed to be used in a domestic
environment. When used near a radio or TV receiver, it may become the cause of
radio interference. Read the instructions for correct handling.

Trademarks

Korean Government Ministry of Communication (MOC) Statement

Please note that this device has been approved for non-business purposes and may
be used in any environment including residential areas.

The following terms are trademarks of International Business Machines
Corporation in the United States, or other countries, or both:

AIX
IBM
RISC
RISC System/6000
RS/6000

Other company, product, and service names may be the trademarks or service
marks of others.

Notices ix

x 7208 Model 345 Service Guide

About This Guide

This guide describes how to install and use the 7208 Model 345 8mm Tape Drive.
It contains the following chapters:

Chapter 1, “Reference Information,” describes the 7208 Tape Drive, gives the
system requirement, and lists hardware specifications.

Chapter 2, “Using the Media,” describes the media to use in the 7208 Tape Drive.

Chapter 3, “Maintenance Analysis Procedures,” describes a series of procedures
designed to evaluate and correct a problem with the 7208 Tape Drive.

Chapter 4, “Removal and Replacement Procedures,” describes the procedures to
follow when removing and replacing the field replaceable units (FRUs).

Chapter 5, “Parts Diagram and Parts List,” provides the parts diagram and parts
list required to service the 7208 Model 345 Tape Drive.

Appendix A, “Power Cables,” provides power cable information for different
countries.

Appendix B, “Fault Symptom Codes and Error Recovery Procedure Numbers,”
provides information about the error codes reported by the drive.

Appendix C, “Error Recovery Procedures,” provides information and recovery
procedures for resolving the error codes reported by the drive.

Store this guide with your system manuals.

Related Publications

v 7208 Model 345 8mm Tape Drive Setup and Operator Guide, SA26–2008, provides

installation and operating information for the 7208 Model 345 Tape Drive.

v IBM Externally Attached Devices Safety Information, SA26-2004, provides

translations of danger notices.

© Copyright IBM Corp. 2000 xi

How to send your comments

Your feedback is important in helping to provide the most accurate and
high-quality information. If you have any comments about this book or any other
IBM documentation, fill out the readers’ comment form at the back of this book.

v If you prefer to send comments by mail, use the readers’ comment form with the

address that is printed on the back. If you are mailing a readers’ comment form
from a country other than the United States, you can give the form to the local
IBM branch office or IBM representative for postage-paid mailing.

v If you prefer to send comments by FAX, use either of the following numbers:

– United States, Canada, and Puerto Rico: 1-800-937-3430
– Other countries: 1-507-253-5192

v If you prefer to send comments electronically, use one of these e-mail addresses:

– Comments on books:

[e-mail]
IBMMAIL, to IBMMAIL(USIB56RZ)

Be sure to include the following:

v The name of the book.
v The publication number of the book.
v The page number or topic to which your comment applies.

xii 7208 Model 345 Service Guide

Chapter 1. Reference Information

The 7208 Model 345 8mm Tape Drive is an external storage device that connects to
a host system and stores additional data.

The 7208 Tape Drive:

v Saves and restores system data files
v Archives important records
v Distributes upgrades to operating system software

The sections that follow describe the operator controls, indicator lights, and liquid
crystal display (LCD) on the 7208 Tape Drive. This chapter also shows connector
locations, lists hardware specifications, and describes how to clean the tape drive.

Front View

Figure 1 shows the front view of the 7208 Model 345 Tape Drive.

Figure 1. Front View of the 7208 Model 345 Tape Drive

© Copyright IBM Corp. 2000 1

Operator Controls

The 7208 Tape Drive has the following operator controls.

Power Switch

The power switch (1 in Figure 1 on page 1) is a push button switch that enables
the power to be turned on or off. When the 7208 Tape Drive is on, the power-on
light 2 is on.

Note: The

Standardization (ISO) symbol for a push button switch.

Unload Button

The unload button 3 enables a tape cartridge to be ejected. The unload button
operates only when the 7208 Tape Drive power is on. To remove a tape cartridge,
press and hold the unload button for about one second.

Indicator Lights

The 7208 Model 345 Tape Drive has the following indicator lights.

Power-On Light

When the 7208 Tape Drive is turned on, the power-on light 2 comes on and stays
on.

Status Lights

Three status lights 4 and their ISO symbols appear on the 7208 Tape Drive as
follows:

The combinations of the lights and their definitions are shown in Table 1.

symbol beside the power switch is an International Organization for

Table 1. Status Lights on the 7208 Tape Drive

Status Lights Status Status of 7208 Tape Drive

2 7208 Model 345 Service Guide

Fault On

Ready

Activity On

Fault

Ready

Activity

On

OfforOn
Off

Off

The Power-On Self Test (POST) is running.

One of the following conditions exists:

v The power is off (Fault light is off).
v The POST has completed successfully, but

no tape cartridge has been inserted. If the
Fault light is on, cleaning is required. See
“Cleaning the Tape Drive” on page 8.

Table 1. Status Lights on the 7208 Tape Drive (continued)

Status Lights Status Status of 7208 Tape Drive

Fault

Ready

OfforOn
Off

A tape cartridge has been inserted:
v The 7208 Tape Drive is ready to receive

commands from the system (whether the
Fault light is on or off).

v If the Fault light is on, cleaning is

required. See “Cleaning the Tape Drive”

on page 8.

Activity

Flashing or Off

v If the Activity light flashes, a tape

cartridge is in the drive and tape
movement is occurring. If the light is off,
no tape movement is occurring.

Fault

Ready

Activity

Fault

Ready

Activity

Flashing
OfforOn

Off, On, or Flashing

On
OfforOn

Flashing or Off

The 7208 Tape Drive has detected an
internal fault that requires corrective action:

v Reset the error by turning the power off

to the 7208 Tape Drive, then turning it
back on, or by holding down the unload
button for about 15 seconds.

v If the Fault light still flashes after the

reset, contact your service representative.

The tape drive requires cleaning. See
“Cleaning the Tape Drive” on page 8.

v If the Ready light is on, a tape cartridge

is in the drive. If the light is off, a
cartridge is not in the drive.

v If the Activity light flashes, a tape

cartridge is in the drive and tape
movement is occurring. If the light is off,
no tape movement is occurring.

Chapter 1. Reference Information 3

Liquid Crystal Display

The 7208 Tape Drive features a liquid crystal display (LCD) (5 in Figure 1 on
page 1). The LCD provides operating and error messages.

Table 2 shows a list of messages that display on the LCD.

Table 2. LCD Messages

Reset Messages

RESET The first message to appear during the power-on sequence.

MODEL:

SUBMOD: The submodel number of the tape drive.
SN: The serial number of the tape drive.
CODE: The level of the tape drive’s firmware.
LAST CLN: The number of hours since the last cleaning.

COMPRESSION:

SINGLE ENDED or
DIFFERENTIAL

WIDE The width of the SCSI bus (measured in bits or bytes).

SCSI ID:

LANGUAGE:

Tape Drive Status Messages

READY-NOTAPE The tape drive is ready to accept a cartridge.

V‾V LOADING.... The tape drive is loading the tape.

V‾V READY-TAPE The tape drive successfully loaded the tape and is ready for

V‾V ILLEGAL TAPE An unsuitable tape has been loaded and rejected.

<< EJECT======

V‾V EJECT PREVNT

Tape Motion Messages

V↑V READ+uuuuu=

V↓V WRITE+uuuu=

V/V PROTECTED

V/V ILLEGAL WRT

Variable information about the tape drive, in this case
IBM-60GB.

Whether data compression is turned on (the default) or
turned off.

The type of SCSI input/output electrical interface.

The SCSI address of the tape drive (0 through 15). The
default is 0.

The current language used on the LCD. To change the
language, turn off the power to the tape drive. Press and
hold the unload button immediately after turning the
power back on. When the desired language displays, release
the unload button.

read or write operations.

The unload button was pressed. The tape drive will eject
the cartridge as soon as it finishes the current operation.

The unload button was pressed, and the system software
has issued a command to prevent the eject function.

The tape drive is reading data. The + sign appears when
the data is compressed. The boxes (u) represent the amount
of tape processed (out of a total of six boxes). The = sign
represents the amount of unprocessed tape.

The tape drive is writing data. The + sign appears when the
data is compressed.

The tape drive cannot write data because the data cartridge
is write-protected.

The tape drive cannot write to the type of data cartridge
inserted. This message remains until a proper tape is
inserted or a tape motion command is issued.

4 7208 Model 345 Service Guide

Table 2. LCD Messages (continued)

>> SEARCHuu====

<< SEARCHuu====
<< REWINDuuu=== The rewind function is in progress.

V×V ERASEu=====

Cleaning Messages

V))V CLEAN SOON The tape drive needs to be cleaned.

V))V MUST CLEAN

V))V CLEANING Cleaning is in progress.

V))V DEPLETED

Error Conditions

LAST 3 ERRORS

ERR 1: xx yy zz
ERR 2: xx yy zz
ERR 3: xx yy zz

A high-speed search is in progress.

The tape drive is erasing data on the tape. As the data is
erased, the equal signs (=) change to boxes (u).

The tape drive must be cleaned when advanced
metal-evaporated (AME) media is inserted after using metal
particle (MP) media.

The cleaning tape in the cartridge is used up and the tape
drive will eject it. Insert a new cleaning cartridge.

A hardware error has occurred. The LCD displays the last
three error codes, with ERR 1: xx yy zz as the most
recent. xx = the fault symptom code (FSC). yy and zz =
additional information for product support personnel (the
information may or may not be present). To resolve the
error, refer to “Appendix B. Fault Symptom Codes and
Error Recovery Procedure Numbers” on page 41.

Rear View

Figure 2 shows the connector locations on the 7208 Model 345 Tape Drive:

1 SCSI address switch 3 Fan
2 SCSI bus cable connectors 4 Power cable connector

Figure 2. Rear View of the 7208 Model 345 Tape Drive

Chapter 1. Reference Information 5

Rear View of the Drive

Figure 3 shows the connector locations on the drive:

1 Internal SCSI bus connector 3 Internal SCSI address connector
2 Power supply connector

Figure 3. Connector Locations on the Drive

Internal View

Figure 4 shows the inside of the 7208 Model 345 Tape Drive:

1 Drive 4 Cooling fan
2 SCSI address cable 5 Power supply
3 SCSI bus connectors

Figure 4. Internal View of the 7208 Model 345 Tape Drive

6 7208 Model 345 Service Guide

Specifications

Table 3. Specifications for the 7208 Model 345 Tape Drive

Physical Specifications

Width 250 mm (9.8 in.)
Depth 275 mm (10.8 in.)
Height 55 mm (2.2 in.)
Weight 3.2 kg (7.1 lb)

Power Specifications

kVA 0.023 @ 120 V ac
V ac 100 to 125, or 200 to 240
Hertz 50 to 60
Btu Maximum (watts) 41.6 Btu/hr (12.2 watts) @ 240 V ac
Power Factor 0.4 to 0.6

Other Specifications

Altitude 2135 m (7000 ft)

Recommended Environment

Environmental Factor Operating Non-operating

Temperature

16 to 32°C

(60 to 90°F)

Relative Humidity

20 to 80% 20 to 95%

(noncondensing)

23°C

Maximum Wet Bulb

(73°F)

Note: The operating limits include media. The storage and shipping limits do not include
media. For media storage and shipping limits, see “Storage and Shipping Environments”

on page 13.

1to60°C

(34 to 140°F)

27°C

(81°F)

Chapter 1. Reference Information 7