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1180 System board
For access, remove these FRUs, in order:
v “1010 Battery pack” on page 60
v “1020 Backup battery” on page 61
v “1030 Hard-disk drive” on page 63
v “1040 DIMM” on page 65
v “1050 Mini PCI adapter” on page 66
v “1060 Ethernet daughter card” on page 70 (only for T23
series)
v “1070 Ultrabay 2000 device” on page 73
v “1080 Keyboard” on page 74
v “1090 Keyboard CRU insulator” on page 82
v “1100 Hinge cover” on page 83
v “1110 Keyboard bezel” on page 88
v “1120 Fan assembly” on page 94
v “1130 CPU” on page 98
v “1140 PC Card slot assembly” on page 100
v “1150 Speaker” on page 103
v “1160 Hard-disk bay” on page 105
v “1170 Ultrabay 2000 slot” on page 107
For T20, T21, T22 series
3
5
1
2
4
Step Screw (quantity) Torque
4 M2.5 × 4.8 mm, nylon-coated (1) 0.392 Nm
(4 kgfcm)
(continued)
Removing and replacing a FRU
ThinkPad T20, T21, T22 and T23 series 113