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ThinkPad T20, T21, T22 and T23
series
Product overview ............41
Specifications ............43
Status indicators ...........45
FRU Tests .............47
Fn key combinations ..........48
Symptom-to-FRU index ..........49
Numeric error codes ..........49
Error messages ...........52
Beep symptoms ...........53
No-beep symptoms ..........53
LCD-related symptoms .........54
Intermittent problems ..........55
Undetermined problems .........55
FRU replacement notices .........56
Screw notices ............56
Retaining serial numbers.........57
Restoring the serial number of the system unit 57
Retaining the UUID .........57
Removing and replacing a FRU........59
1010 Battery pack...........60
1020 Backup battery ..........61
1030 Hard-disk drive ..........63
1040 DIMM ............65
1050 Mini PCI adapter .........66
For T20, T21 and T22 series ......66
For T23 series...........68
1060 Ethernet daughter card .......71
1070 Ultrabay 2000 device ........73
1080 Keyboard ...........74
For T20, T21 and T22 series ......74
For T23 series...........75
1090 Keyboard CRU insulator .......82
1100 Hinge cover ...........83
For T20 and T21 series ........84
For T22 series...........86
For T23 series...........87
1110 Keyboard bezel ..........88
For T20, T21 and T22 series ......89
For T23 series...........92
1120 Fan assembly ..........94
For T20, T21, T22 series........94
For T23 series...........97
1130CPU.............98
For T20, T21 and T22 series ......98
For T23 series...........99
1140 PC Card slot assembly .......100
For T20, T21, T22 series .......100
For T23 series ..........102
1150 Speaker ...........103
© Copyright IBM Corp. 2002
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