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ThinkPad X20, X21, X22, X23, X24
ThinkPad X20, X21, X22, X23,
X24 Hardware Maintenance
Manual
note
Before using this information and the product it
supports, be sure to read the general information
under
Chapter 4, “Notices” on page 137
First Edition (March 2002)
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 ANY
WARRANTY OF ANY KIND, EITHER EXPRESS OR
IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE
LIMITED 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 or changes to the products or the programs
described in this publication at any time.
It is possible that this publication may contain references
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.
© Copyright International Business Machines
Corporation 2001. All rights reserved.
NotetoUS
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.
Contents
Chapter 1. Introduction . . . . . . . . . .
1
Im t t i ei f rm ti n. . . . . . . . .
1
FRU replacement strategy . . . . . . . .
1
Hard disk drive replacement strategy . . . . .
2
How to use error messages . . . . . . . .
2
How to read POST error messages . . . . . .
2
Safety notices: multilingual translations . . . . . .
3
S f tyi f rm ti n. . . . . . . . . . . .
2
General safety . . . . . . . . . . . .
2
El t i l f ty. . . . . . . . . . .
3
Safety inspection guide . . . . . . . . .
4
Handling electrostatic discharge-sensitive devices
15
Grounding requirements . . . . . . . . .
6
Laser compliance statement. . . . . . . . .
7
Laser radiation. . . . . . . . . . . . .
8
Chapter 2. General descriptions . . . . . . .
1
Read this first . . . . . . . . . . . . .
1
R l t d i ei f rm ti n. . . . . . . . .
4
S i eW b ite. . . . . . . . . . .
4
Product recovery program . . . . . . . .
4
Using Recovery CD . . . . . . . . . .
5
Creating a Recovery Repair diskette . . . . .
6
Passwords . . . . . . . . . . . . .
6
Power management . . . . . . . . . .
8
Checkout guide . . . . . . . . . . . .
2
Testing the computer . . . . . . . . . .
4
Detecting system information with PC-Doctor. . .
35
Power system checkout . . . . . . . . .
8
Chapter 3. ThinkPad X20, X21, X22, X23, X24 . . .
39
Product overview . . . . . . . . . . . .
2
Specifications . . . . . . . . . . . .
2
St t si i t s. . . . . . . . . . .
5
Fn key combinations . . . . . . . . . .
7
Symptom-to-FRU index . . . . . . . . . .
8
Numeric error codes . . . . . . . . . .
8
Error messages . . . . . . . . . . .
0
Beep symptoms . . . . . . . . . . .
1
LCD-related symptoms . . . . . . . . .
2
I t rmitt t lems. . . . . . . . . .
2
Undetermined problems . . . . . . . . .
3
FRU replacement notices . . . . . . . . .
4
S ew ti s. . . . . . . . . . . .
4
Retaining serial numbers. . . . . . . . .
5
Removing and replacing a FRU. . . . . . . .
7
1010 Battery pack. . . . . . . . . . .
8
1020 DIMM . . . . . . . . . . . .
9
1030 Backup battery . . . . . . . . . .
0
1040 Hard disk drive . . . . . . . . . .
1
iii
1050 Keyboard . . . . . . . . . . . 3
1060 KBD Control Panel Assemble . . . . . 7
1070 Mini PCI adapter . . . . . . . . . 9
1080 CDC adapter . . . . . . . . . . 0
1090 BDC adapter . . . . . . . . . . 1
1100 Fan assembly . . . . . . . . . . 2
1110 Wirelesslan assembly for X22, X23, X24 . .
74
1120 LCD assembly . . . . . . . . . . 5
1130 Case Keyboard deck . . . . . . . . 9
1140 Speaker . . . . . . . . . . . . 2
1150 PC Card slot assembly . . . . . . . 4
0IRDAPt . . . . . . . . . . . 5
1170 RJ11, RJ45 . . . . . . . . . . . 7
1180 System board . . . . . . . . . . 9
1190 LCD USB cover. . . . . . . . . . 1
1200 Front bezel . . . . . . . . . . . 2
1210 LCD panel . . . . . . . . . . . 3
Locations . . . . . . . . . . . . . . 8
Front view for X20, X21 . . . . . . . . . 8
t iewfrX2 . . . . . . . . . . 8
Front view for X23, X24 . . . . . . . . . 9
Rear view for X20, X21 . . . . . . . . . 1
Rear view for X22, X23, X24 . . . . . . . 1
Bttomiew. . . . . . . . . . . . 3
Ptsit . . . . . . . . . . . . . . 4
X20 series model matrix . . . . . . . . 4
X21 series model matrix . . . . . . . . 4
X22 series model matrix . . . . . . . . 5
X23 series model matrix . . . . . . . . 5
X24 series model matrix . . . . . . . . 6
LCDFRU. . . . . . . . . . . . . 7
System . . . . . . . . . . . . . 2
Keyboard . . . . . . . . . . . . . 1
Base Cover FRU . . . . . . . . . . 2
Recovery CDs for X21 Series . . . . . . . 4
Recovery CDs for X22 Series . . . . . . . 6
Recovery CDs for X23 Series . . . . . . . 8
Recovery CDs for X24 Series . . . . . . . 9
Miscellaneous parts . . . . . . . . . . 1
OtisFRUlit . . . . . . . . . . . 3
Common parts list (X20, X21, X22, X23, X24)
135
Chapter 4. Notices . . . . . . . . . . . 7
Trademarks . . . . . . . . . . . . . 7
iv
ThinkPad X20, X21, X22, X23, X24
Chapter 1. Introduction
Important service information
Important
BIOS and device driver fixes are
customer-installable. The BIOS and device drivers
are posted on the IBM support site
http://www.ibm.com/pc/support/
Advise customers to contact the IBM
®
HelpCenter
®
at 800-772-2227 if they need assistance in obtaining
or installing any diskette fixes.
FRU replacement strategy
Before replacing parts
Ensure that all BIOS and device driver fixes are
installed before replacing any FRUs listed in this
manual.
Use the following strategy to prevent unnecessary FRU
replacement and service expense:
v
If you are instructed to replace a FRU, but the
replacement does not correct the problem, reinstall
the original FRU before you continue.
v
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 replace does not correct the problem, reinstall
the original board, and then replace the other (processor
or system) board.
v
If an adapter or device consists of more than one FRU,
any of the FRUs may be the cause of the error. 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); then,
when service has been completed, verify that the
settings are in place.
1
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