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IBM ThinkPad 310 Owner's manual

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S05L-1935-00
IBM Mobile Systems
ThinkPad 310, 310D, 310E, 310ED
Hardware Maintenance Manual
February 1998
S05L-1935-00
IBM Mobile Systems
ThinkPad 310, 310D, 310E, 310ED
Hardware Maintenance Manual
February 1998
IBM
Note
Before using this information and the product it
supports, be sure to read the general information
under “Notices” at the back of this manual.
First Edition (February 1998)
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 of
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.
This publication was developed for products and services
offered in the United States of America. IBM may not offer
the products, services, or features discussed in this
document in other countries, and the information is subject
to change without notice. Consult your local IBM
representative for information on the products, services,
and features available in your area.
Requests for technical information about IBM products
should be made to your IBM reseller or IBM marketing
representative.
 Copyright International Business Machines
Corporation 1998. All rights reserved.
Note to U.S. 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.
ii IBM Mobile Systems ThinkPad 310 (D/E/ED) HMM
About This Manual
This manual contains service and reference information for
IBM ThinkPad 310, 310D, 310E or 310ED (2600) products.
Use this manual along with the advanced diagnostic tests
to troubleshoot problems effectively.
The manual is divided into sections as follows:
The Introduction section provides general information,
guidelines, and safety information required to service
computers.
The product-specific section includes service,
reference, and product-specific parts information.
Important
This manual is intended for trained servicers who are
familiar with ThinkPad products. Use this manual
along with the advanced diagnostic tests to
troubleshoot problems effectively.
Before servicing an IBM mobile product, be sure to
review the safety information under “Safety Notices
(Multi-lingual Translations)” on page ix and “Safety
Information” on page xvi.
iii
Related Publications
The following mobile product publications are available
through IBM or your IBM Authorized Dealer.
Related Diskettes
The following diskettes are available through IBM or your
IBM Authorized Dealer.
Publication Part, Form Number
Mobile Systems HMM
Volume 1: Laptop,
Notebook, Portable, and
ThinkPad Computers
(Models L40, CL57, N45,
N51, P70/P75, ThinkPad
300, 350, 500, 510, 710T,
Expansion Unit, Dock I,
Dock II)
30H2356, S82G-1501-01
Mobile Systems HMM
Volume 2: ThinkPad
Computers
(Model 340, 355, 360, 370,
700, 701, 720, 750, 755)
30H2357, S82G-1502-03
Mobile Systems HMM
Volume 3: ThinkPad
Computers
(Model 365, 380, 385, 560,
760, SelectaDock
84H8099, S82G-1503-05
Mobile Systems HMM
Volume 4: ThinkPad
Computers
(Model 365, 380, 385, 560,
760, 765, 770, SelectaDock
05L1271, S05L-1270-01
Diskette Part, Form Number
ThinkPad 310 Diagnostics
Diskette 05L1936, S05L-1936
ThinkPad 310 Maintenance
Diskette 05L1770, S05L-1770
iv IBM Mobile Systems ThinkPad 310 (D/E/ED) HMM
Contents
Introduction . . . . . . . . . . . . . . . . . . . vii
How to Use Error Messages .......... viii
How to Read POST Error Messages ...... viii
Safety Notices (Multi-lingual Translations) ..... ix
Safety Information . . . . . . . . . . . . . . . . xvi
General Safety . . . . . . . . . . . . . . . . xvi
Electrical Safety . . . . . . . . . . . . . . . xvii
Safety Inspection Guide ........... xviii
Handling Electrostatic Discharge-Sensitive Devices xx
Grounding Requirements . . . . . . . . . . . . xx
Laser Compliance Statement ........... xxi
ThinkPad 310, 310D, 310E, 310ED (2600) .... 1
Read This First .................. 1
Note for Warranty: ................ 2
Checkout Guide . . . . . . . . . . . . . . . . . 3
BIOS Utility . . . . . . . . . . . . . . . . . . . . 11
Power Management Features ........... 12
Symptom-to-FRU Index . . . . . . . . . . . . . . 14
Related Service Procedures ............ 24
Utility Program Diskette .............. 29
Product Overview . . . . . . . . . . . . . . . . . 32
FRU Removals and Replacements ......... 33
Locations . . . . . . . . . . . . . . . . . . . . . 65
310 - System Unit Parts Listing .......... 70
310D - System Unit Parts Listing .......... 71
310/310D - System Unit FRU List ......... 72
310/310D LCD Unit Parts Listing .......... 75
310E System Unit Parts Listing .......... 77
310ED System Unit Parts Listing .......... 78
310E/310ED System Unit FRU List ........ 79
310E/310ED LCD Unit Parts Listing ........ 82
310E/310ED LCD Module FRU list ......... 83
310E (2600-Axx/Cxx/Exx/Fxx) System Unit Parts
Listing . . . . . . . . . . . . . . . . . . . . . 84
310ED (2600-Bxx/Dxx) System Unit Parts Listing . . 85
310E/310ED (2600-Axx/Bxx/Cxx/Dxx/Exx/Fxx) System
Unit FRU List .................. 86
310E/310ED LCD Unit Parts Listing ........ 89
310/310E/310D/310ED Miscellaneous and Other Parts 91
 Copyright IBM Corp. 1998 v
vi IBM Mobile Systems ThinkPad 310 (D/E/ED) HMM
Introduction
Important
Diskette fixes are customer installable. The diskette
fixes are located on the PC Company Bulletin Board
Service (BBS). The direct phone line for modem
connection is 919-557-0001 or tieline 255-0001.
Advise customers to contact the PC Company
HelpCenter at 800-772-2227 if they need assistance in
obtaining or installing any diskette fixes.
Customers in Canada should call IBM HelpPC at
800-565-3344 for assistance or down-load information.
The Canadian BBS phone numbers are:
Montreal 514-938-3022
Toronto 905-316-4255
Vancouver 604-664-6464
Winnipeg 204-934-2735
FRU Replacement Strategy
Ensure that all diskette fixes are installed prior to replacing
any FRUs. And, use the following strategy to prevent
unnecessary FRU replacement and service expense:
If you are instructed to replace a FRU and that
does not correct the problem, reinstall the original
FRU before you continue.
Some computers have both a processor board and a
system board. If you are instructed to replace either
the processor board or the system board, and the first
board that you replaced does not correct the problem,
reinstall the original board, then replace the other
(processor or system) board.
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. Replace only the FRU that
changed the symptoms.
Attention
A customized setup configuration (other than default
settings) may exist on the computer 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.
The advanced diagnostic tests are intended to test
only
IBM products. Non-IBM products or modified options can
give false errors and invalid responses.
 Copyright IBM Corp. 1998 vii