Contents
Introduction . . . . . . . . . . . . . . . . . . .
1
Important service information
. . . . . . . . . . .
1
How to use error messages
. . . . . . . . . .
2
Diskette compatibility matrix
. . . . . . . . . . . .
2
Safety notices: multilingual translations
. . . . . . .
3
Safety information . . . . . . . . . . . . . . . . .
10
General safety . . . . . . . . . . . . . . . . .
10
Electrical safety . . . . . . . . . . . . . . . .
11
Safety inspection guide
. . . . . . . . . . . . 13
Handling electrostatic discharge-sensitive devices
14
Grounding requirements . . . . . . . . . . . .
14
Laser compliance statement
. . . . . . . . . . . . 15
General descriptions . . . . . . . . . . . . . . .
17
Read this first
. . . . . . . . . . . . . . . . . . . 17
Related service information
. . . . . . . . . . . . 19
Service Web site
. . . . . . . . . . . . . . . 19
Passwords
. . . . . . . . . . . . . . . . . .
19
Power management . . . . . . . . . . . . . .
21
Checkout guide . . . . . . . . . . . . . . . . . .
24
Testing the computer
. . . . . . . . . . . . . 24
Detecting system information with PC-Doctor
. . 26
Power system checkout
. . . . . . . . . . . . 26
ThinkPad T20
. . . . . . . . . . . . . . . . . .
31
Product overview . . . . . . . . . . . . . . . . .
32
Specifications . . . . . . . . . . . . . . . . .
32
Status indicators . . . . . . . . . . . . . . . .
34
Fn key combinations
. . . . . . . . . . . . . . 38
Symptom-to-FRU index . . . . . . . . . . . . . .
39
Numeric error codes
. . . . . . . . . . . . . . 39
Error messages . . . . . . . . . . . . . . . .
41
Beep symptoms . . . . . . . . . . . . . . . .
42
LCD-related symptoms . . . . . . . . . . . . .
44
Intermittent problems . . . . . . . . . . . . . .
44
Undetermined problems
. . . . . . . . . . . .
45
FRU replacement notices
. . . . . . . . . . . . . 46
Screw notices . . . . . . . . . . . . . . . . .
46
Retaining serial numbers
. . . . . . . . . . . . 47
Removing and replacing a FRU
. . . . . . . . . . 49
1010 Battery pack . . . . . . . . . . . . . . .
50
1020 Backup battery
. . . . . . . . . . . . .
51
1030 Hard-disk drive
. . . . . . . . . . . . .
53
1040 DIMM . . . . . . . . . . . . . . . . . .
55
1050 Mini PCI adapter
. . . . . . . . . . . . 56
1060 Ultrabay 2000 device
. . . . . . . . . . 58
1070 Keyboard . . . . . . . . . . . . . . . .
59
1080 Keyboard CRU insulator
. . . . . . . . . 62
1090 Fan assembly . . . . . . . . . . . . . .
63
1100 PC Card slot assembly
. . . . . . . . . . 64
Copyright IBM Corp. 2000
iii
Содержание ThinkPad T20
Страница 1: ...S19K 2331 00 IBM Mobile Systems ThinkPad T20 2647 2648 Hardware Maintenance Manual March 2000 ...
Страница 34: ...Checkout guide 30 ThinkPad T20 HMM ...
Страница 64: ...Removing and replacing a FRU 6 5 4 4 5 6 7 6 60 ThinkPad T20 HMM ...
Страница 88: ...Removing and replacing a FRU 3010 ThinkPad Dock PCI cover 1 1 2 84 ThinkPad T20 HMM ...
Страница 92: ...Removing and replacing a FRU The release button works correctly 88 ThinkPad T20 HMM ...
Страница 96: ...Parts list Parts list 1 2 3 4 5 6 7 8 10 9 12 11 13 14 15 18 17 19 22 21 20 23 24 25 16 92 ThinkPad T20 HMM ...
Страница 108: ...IBM Part Number 19K2331 Printed in U S A S19K 2331 ðð ...