IBM Thinkpad A21e 2000 Manual

IBM Mobile Systems
ThinkPad Computer
Hardware Maintenance Manual

            

NoteBefore using this information and the product it
supports, be sure to read the general information
under “Notices” on page 100.
Second Edition (December 2000)
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...

Contents
Introduction.............1
Important service information.........1
Strategy for replacing FRUs........1
How to use error messages........2
Diskette compatibility matrix.........2
Safety notices: multilingual translations......3
Safety information............12
General safety............12
Electrical safety...........13
Safety inspection guide.........14
Handling electrostatic discharge-sensitive devices 15
Grounding requirements.........16
Laser compliance statement.........16
General...

1060 Ultrabay 2000 device........58
1070 Keyboard...........60
1080 Keyboard CRU insulator.......63
1090 Hinge cover...........64
1100 Keyboard bezel and speaker......65
1110 Speaker cable..........67
1120 Sub card............68
1130 PC Card slot assembly.......70
1140 Fan assembly..........71
1150 Diskette drive..........73
1160 Upper shield...........74
1170 System board..........75
2010 LCD assembly..........77
2020 Front bezel...........79
2030 Inverter card..........81
2040 LCD panel...........83...

Introduction
Important service information
ImportantDiskette fixes are customer-installable. The diskette
fixes are posted on the IBM support site
(http://www.pc.ibm.com/support/).
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 download
information.
Strategy for replacing FRUs
Before replacing partsMake sure that all diskette fixes are...

AttentionThe setup configuration on the computer you are
servicing may have been customized. Running
Automatic Configuration may alter the settings. Note
the current configuration settings (using the View
Configuration option); then, when service has been
completed, verify that those settings remain in
effect.
Strategy for replacing a hard-disk driveAlways try to run a low-level format before replacing a
hard-disk drive.
AttentionThe drive startup sequence in the computer you are
servicing may have been...

Safety notices: multilingual translations
In this manual, safety notices appear in English with a
page number reference to the appropriate translation in
this section.
The safety notices are provided in English, French,
German, Italian, and Spanish, as follows:
Safety notice 1Before the computer is powered-on after FRU
replacement, make sure all screws, springs, and
other small parts are in place and are not left loose
inside the computer. Verify this by shaking the
computer and listening for rattling...

Safety notice 2
Some standby batteries contain a small amount of
nickel and cadmium. Do not disassemble a standby
battery, recharge it, throw it into fire or water, or
short-circuit it. Dispose of the battery as required by
local ordinances or regulations. Use only the battery
in the appropriate parts listing. Use of an incorrect
battery can result in ignition or explosion of the
battery.
Certaines batteries de secours contiennent du nickel
et du cadmium. Ne les démontez pas, ne les
rechargez pas, ne les...

Continuation of Safety notice 2
Alcune batterie di riserva contengono una piccola
quantitàdi nichel e cadmio. Non smontarle,
ricaricarle, gettarle nel fuoco o nell’acqua né
cortocircuitarle. Smaltirle secondo la normativa in
vigore (DPR 915/82, successive disposizioni e
disposizioni locali). Quando si sostituisce la batteria
dell’RTC (real time clock) o la batteria di supporto,
utilizzare soltanto i tipi inseriti nell’appropriato
Catalogo parti. L’impiego di una batteria non adatta
potrebbe determinare...

Safety notice 3
The battery pack contains small amounts of nickel.
Do not disassemble it, throw it into fire or water, or
short-circuit it. Dispose of the battery pack as
required by local ordinances or regulations. Use
only the battery in the appropriate parts listing when
replacing the battery pack. Use of an incorrect
battery can result in ignition or explosion of the
battery.
La batterie contient du nickel. Ne la démontez pas,
ne l’exposez ni au feu niàl’eau. Ne la mettez pas
en court- circuit. Pour...