IBM manual System board, For T20, T21, T22 series

Removing and replacing a FRU

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

1

3

5

2

Step	Screw (quantity)	Torque
	M2.5 × 4.8 mm, nylon-coated (1)	0.392 Nm
		(4 kgfcm)

(continued)

ThinkPad T20, T21, T22 and T23 series 113