Technical information
Table Of Contents
- Contents
- About this manual
- Introduction
- General descriptions
- ThinkPad R40
- Product overview
- Symptom-to-FRU index
- FRU replacement notices
- Removing and replacing a FRU
- 1010 Battery pack
- 1020 Ultrabay Plus device
- 1030 Hard-disk drive
- 1040 DIMM
- 1050 Mini PCI adapter
- 1060 Keyboard
- 1070 Backup battery
- 1080 Optical storage in the fixed bay
- 1090 PC Card slot assembly
- 1100 Hinge cover
- 1110 Communication daughter card (CDC)
- 1120 Fan assembly
- 1130 CPU
- 1140 Bluetooth antenna assembly
- 1150 LCD assembly
- 1160 Keyboard bezel
- 1170 Speaker assembly and microphone cable
- 1180 System board
- 1190 Hard-disk drive slot
- 2000 Ultrabay Plus guide rail
- 2010 I/O Bracket
- 2020 LCD front bezel
- 2030 Inverter card
- 2040 LCD panel and LCD cable assembly
- 2050 Antenna assembly, hinges, and LCD cover
- Locations
- Parts list
- Notices

Contents
About
this
manual
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.1
Introduction
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.3
Important
service
information
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.3
Strategy
for
replacing
FRUs
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.3
How
to
use
error
messages
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.4
Diskette
compatibility
matrix
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.4
Safety
notices:
multilingual
translations
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.5
Safety
information
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.17
General
safety
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.17
Electrical
safety
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.18
Safety
inspection
guide
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.19
Handling
devices
that
are
sensitive
to
electrostatic
discharge
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.20
Grounding
requirements
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.21
Laser
compliance
statement
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.22
General
descriptions
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.25
Read
this
first
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.25
What
to
do
first
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.25
Related
service
information
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.28
Service
web
site
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.28
Restoring
the
preloaded
system
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.28
Passwords
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.30
Power
management
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.33
Checkout
guide
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.36
Testing
the
computer
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.36
Detecting
system
information
with
PC-Doctor
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.38
Power
system
checkout
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.39
ThinkPad
R40
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.43
Product
overview
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.45
Specifications
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.45
Status
indicators
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.48
FRU
tests
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.50
Fn
key
combinations
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.52
Symptom-to-FRU
index
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.53
Numeric
error
codes
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.53
Error
messages
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.56
Beep
symptoms
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.57
No-beep
symptoms
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.57
LCD-related
symptoms
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.58
Intermittent
problems
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.59
Undetermined
problems
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.59
FRU
replacement
notices
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.60
Screw
notices
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.60
Retaining
serial
numbers
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.61
Removing
and
replacing
a
FRU
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.63
1010
Battery
pack
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.64
1020
Ultrabay
Plus
device
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.65
©
Copyright
IBM
Corp.
2004
iii