1170 System Board, Interposer Card, And Base Cover - IBM ThinkPad R50e Series Hardware Maintenance Manual

Removing and replacing a FRU
1170 System board, interposer card,
and base cover
For access, remove these FRUs, in order:
v "1010 Battery pack" on page 65
v "1020 Hard disk drive" on page 66
v "1030 DIMM (optional)" on page 68
v "1040 Keyboard" on page 69
v "1050 Ultrabay device" on page 73
v "1060 DIMM (standard)" on page 74
v "1070 Modem daughter card (MDC-2)" on page 75
v "1080 Keyboard bezel" on page 77
v "1090 Fan assembly" on page 81
v "1100 CPU" on page 82
v "1110 Backup battery" on page 83
v "1120 Speaker assembly" on page 84
v "1130 PC Card slot assembly" on page 86
v "1140 Ultrabay Enhanced shield kit" on page 89
v "1150 LCD assembly" on page 95
v "1160 VGA and Ultrabay Enhanced device eject button
cable" on page 99
Important notice for handling the system board:
In ThinkPad R50e series, an accelerometer chip for the
IBM HDD Active Protection System b is soldered on the
topside of the system board.
b
(continued)
102
R50e (MT1834, 1842)