IBM X23 - Manual (Page 43)

Chapter 3. ThinkPad X20, X21, X22,
X23, X24
Product overview . . . . . . . . . . . . 42
Specifications . . . . . . . . . . . . 42
Status indicators . . . . . . . . . . . 45
Fn key combinations . . . . . . . . . . 47
Symptom-to-FRU index . . . . . . . . . . 48
Numeric error codes . . . . . . . . . . 48
Error messages . . . . . . . . . . . 50
Beep symptoms . . . . . . . . . . . 51
No beep symptoms . . . . . . . . . 51
LCD-related symptoms . . . . . . . . . 52
Intermittent problems . . . . . . . . . . 52
Undetermined problems . . . . . . . . . 53
FRU replacement notices . . . . . . . . . 54
Screw notices . . . . . . . . . . . . 54
Retaining serial numbers. . . . . . . . . 55
Restoring the serial number of the system unit 55
Retaining the UUID . . . . . . . . . 56
Removing and replacing a FRU. . . . . . . . 57
1010 Battery pack. . . . . . . . . . . 58
1020 DIMM . . . . . . . . . . . . 59
1030 Backup battery . . . . . . . . . . 60
1040 Hard disk drive . . . . . . . . . . 61
1050 Keyboard . . . . . . . . . . . 63
For X20, X21 . . . . . . . . . . . 63
For X22, X23, X24 . . . . . . . . . 65
1060 KBD Control Panel Assemble . . . . . 67
1070 Mini PCI adapter . . . . . . . . . 69
For X20, X21 . . . . . . . . . . . 69
For X22, X23, X24 . . . . . . . . . 69
1080 CDC adapter . . . . . . . . . . 70
For X22, X23, X24 . . . . . . . . . 71
1090 BDC adapter . . . . . . . . . . 71
For X23, X24 . . . . . . . . . . . 72
1100 Fan assembly . . . . . . . . . . 72
For X20, X21 . . . . . . . . . . . 72
For X22, X23 . . . . . . . . . . . 73
For X24. . . . . . . . . . . . . 73
1110 Wirelesslan assembly for X22, X23, X24 . . 74
1120 LCD assembly . . . . . . . . . . 75
For X20, X21 . . . . . . . . . . . 76
For X22, X23, X24 . . . . . . . . . 78
1130 Case Keyboard deck . . . . . . . . 79
For X20, X21 . . . . . . . . . . . 80
For X22, X23, X24 . . . . . . . . . 81
1140 Speaker . . . . . . . . . . . . 82
For X20, X21 . . . . . . . . . . . 82
For X22, X23, X24 . . . . . . . . . 83
1150 PC Card slot assembly . . . . . . . 84
For X20, X21 . . . . . . . . . . . 84
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