IBM PS/2 CL57 SX Owner's manual

FRONT
PICTURE 1
March 19, 1992
This booklet contains procedures for isolating problems to a FRU, a
Symptom-to-FRU Index, and a parts listing for the IBM Personal System/2
Model CL57 SX.
This pamphlet is intended to be used with the IBM Personal System/2
Hardware Maintenance Reference manual (part number 15F2190, form number
S15F-2190-00) and the IBM Personal System/2 Hardware Maintenance Service
manual (part number 15F2200, form number S15F-2200-00).
Part Number 41G8696
Form Number S10G-4420-01
IBM PS/2 Model CL57 SX HMS
¦ Copyright IBM Corp. 1992
FRONT - 1

FRONT_1 Safety Information
Refer to the Hardware Maintenance Service General Information pamphlet for
the following information:
General Safety
Electrical Safety
Safety Inspection Guide.
Second Edition (March 1992)
The following paragraph does not apply to the United Kingdom or any
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 MERCHANTABILITY OR FITNESS
FOR A PARTICULAR PURPOSE. Some states do not allow disclaimer or express
or implied warranties in certain transactions, therefore, this statement
may not apply to you.
This publication 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.
It is possible that this publication may contain reference to, or
information about, IBM products (machines and programs), programming, or
services that are not announced in your country. Such references or
information must not be construed to mean that IBM intends to announce
such IBM products, programming, or services in your country.
Requests for technical information about IBM products should be made to
your IBM Authorized Dealer or your IBM Marketing Representative.
IBM may have patents or pending patent applications covering subject
matter 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 the IBM Director of Commercial Relations, IBM Corporation,
Armonk, NY 10577.
¦ Copyright International Business Machines Corporation 1991, 1992. All
rights reserved.
Note to US Government Users -- Documentation related to restricted rights
-- Use, duplication or disclosure is subject to restrictions set forth in
GSA ADP Schedule Contract with IBM Corp.
IBM PS/2 Model CL57 SX HMS
Safety Information
¦ Copyright IBM Corp. 1992
FRONT_1 - 1

CONTENTS Table of Contents
FRONT_1 Safety Information
CONTENTS Table of Contents
FRONT_2 Notices
FRONT_2.1 Trademarks and Service Marks
1.0 General Checkout
2.0 Installed Devices List
3.0 Undetermined Problem
4.0 Hard Disk Partition
4.1 Restoring the Partition
5.0 Power Supply
5.1 Checking the AC Adapter
5.2 Checking the Battery Packs
5.3 Checking the Backup Battery
6.0 Printer
7.0 LCD Panel
8.0 Keyboard
9.0 External Display Self-Test
10.0 Memory
11.0 Symptom-to-FRU Index
11.1 No-Beep Symptoms
11.2 Beep Symptoms
11.3 Miscellaneous Symptoms
11.4 Numeric Error Codes
12.0 How To Use This Parts Catalog
13.0 System Overview
14.0 Parts
IBM PS/2 Model CL57 SX HMS
Table of Contents
¦ Copyright IBM Corp. 1992
CONTENTS - 1

FRONT_2 Notices
References in this publication to IBM products, programs, or services do
not imply that IBM intends to make these available in all countries in
which IBM operates. Any reference to an IBM product, program or service
is not intended to state or imply that only IBM's product, program, or
service may be used. Any functionally equivalent product, program, or
service that does not infringe any of IBM's intellectual property rights
or other legally protectible rights may be used instead of the IBM
product, program, or service. Evaluation and verification of operation in
conjunction with other products, programs, or services, except those
expressly designated by IBM, are the user's responsibility.
IBM may have patents or pending patent applications covering subject
matter 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 the IBM Director of Commercial Relations, IBM Corporation,
Purchase, NY 10577.
Subtopics
FRONT_2.1 Trademarks and Service Marks
IBM PS/2 Model CL57 SX HMS
Notices
¦ Copyright IBM Corp. 1992
FRONT_2 - 1

FRONT_2.1 Trademarks and Service Marks
The following terms, denoted by an asterisk (*) in this publication, are
trademarks of the IBM Corporation in the United States and/or other
countries:
IBM
Personal System/2.
IBM PS/2 Model CL57 SX HMS
Trademarks and Service Marks
¦ Copyright IBM Corp. 1992
FRONT_2.1 - 1

1.0 General Checkout
The diagnostic tests are intended to test only IBM (*) products. Non-IBM
products, prototype cards, or modified options can give false errors and
invalid system responses.
Warning: Drives in the system you are servicing might have been rearranged
or the drive startup sequence might have been altered. Be extremely
careful during write operations such as copying, saving, or formatting.
Data or programs can be overwritten if you select an incorrect drive.
(*) Trademark of the International Business Machines
Corporation.
Subtopics
1.1 Automatic Configuration
1.2 How to Diagnose Combined FRUs
1.3 How to Use Error Messages
1.4 How to Cancel the Power-On Password
IBM PS/2 Model CL57 SX HMS
General Checkout
¦ Copyright IBM Corp. 1992
1.0 - 1

1.1 Automatic Configuration
Warning: A customized setup configuration (other than default settings)
may exist on the system you are servicing. Running Automatic Configuration
may alter those settings. Note the current configuration settings (using
the View Configuration option) and verify that the settings are in place
when service is complete. (For more information about configuration, refer
to the Hardware Maintenance Reference manual.)
IBM PS/2 Model CL57 SX HMS
Automatic Configuration
¦ Copyright IBM Corp. 1992
1.1 - 1

1.2 How to Diagnose Combined FRUs
If an adapter or device consists of more than one FRU, an error code may
be caused by any of the FRUs. Before replacing the adapter or device,
remove the FRUs, one by one, to see if the symptoms change.
IBM PS/2 Model CL57 SX HMS
How to Diagnose Combined FRUs
¦ Copyright IBM Corp. 1992
1.2 - 1

1.3 How to Use Error Messages
Use the error codes displayed on the screen to diagnose failures. If more
than one error code is displayed, begin the diagnosis with the first error
code. The cause of the first error code can result in false error codes
being displayed. If no error code is displayed, see if the error symptom
is listed in the "Symptom-to-FRU Index" in topic 11.0.
IBM PS/2 Model CL57 SX HMS
How to Use Error Messages
¦ Copyright IBM Corp. 1992
1.3 - 1

1.4 How to Cancel the Power-On Password
To cancel the power-on password, do the following:
1. Power-off the system.
2. Remove the keyboard and the top cover.
3. Identify the password-override connector on the system board.
4. Install a jumper over the pins of the password-override connector as
shown.
PICTURE 2
5. Power-on the system and leave it until the POST ends.
Make sure that you remove the jumper from the password-override connector
when you are finished.
To set the password, start the system programs, select Set features from
the Main Menu, then select Set password and unattended start mode, and
follow the instructions on the screen.
+---+
¦001¦
+---+
DOES THE PROBLEM APPEAR TO BE A POWER SUPPLY FAILURE?
Yes No
¦ ¦
¦ +---+
¦ ¦002¦
¦ +---+
¦ Go to Step 006.
¦
+---+
¦003¦
+---+
DO ALL SYSTEM-STATUS INDICATORS REMAIN OFF?
Yes No
¦ ¦
¦ +---+
¦ ¦004¦
¦ +---+
¦ Go to Step 006.
¦
+---+
¦005¦
+---+
- Make sure the power control switch at the rear of the system is set to
ON.
- Go to "Power Supply" in topic 5.0.
--------------------------------------------------------------------------
+---+
¦006¦
+---+
- Power-off the system and all external devices.
- Check all cables and power cords.
- Make sure no diskette is in the drive.
- Power-on all external devices.
- Power-on the system and check for the following responses:
1. All system-status indicators appear once for about 1 second.
Note: Some indicators remain on and others go off after 1 second.
2. Memory test (the number increases.)
3. Audible responses:
One short beep
- or -
Two short beeps.
DID YOU RECEIVE THE RESPONSES LISTED ABOVE?
Yes No
¦ ¦
¦ +---+
¦ ¦007¦
¦ +---+
¦ Go to Step 013.
¦
¦
+---+
¦008¦
+---+
- Press Ctrl+Alt+Delete. When the cursor moves to the upper right, press
Ctrl+Alt+Insert to start the system program. If the IBM logo screen
does not appear, insert the backup Reference Diskette into the diskette
drive and repeat this step.
1. If you are not at the Main Menu, follow the instructions on the
IBM PS/2 Model CL57 SX HMS
How to Cancel the Power-On Password
¦ Copyright IBM Corp. 1992
1.4 - 1