IBM A22P, A21M, A22M, A21P, A20M, MT 2631 manual System board and RJ45/11 connector assembly

Removing and replacing a FRU

1190 System board and RJ45/11 connector assembly

For access, remove these FRUs, in order:

v“1010 Battery pack” on page 60

v“1020 DIMM” on page 61

v“1030 Mini PCI adapter” on page 63

v“1040 Backup battery” on page 66

v“1050 Hard-disk drive or RF ID adapter” on page 67

v“1060 Ultrabay 2000 device” on page 69

v“1070 Keyboard” on page 71

v“1080 Keyboard CRU insulator” on page 74

v“1090 Hinge cover and clear sheet icon” on page 75

v“1100 Keyboard bezel and speaker” on page 76

v“1110 Microphone and speaker cable” on page 78

v“1120 Sub card” on page 80

v“1130 PC Card slot assembly” on page 82

v“1140 Fan assembly” on page 83

v“1150 Diskette drive” on page 85

v“1160 Upper shield” on page 87

v“1170 TV card” on page 88

v“1180 CPU socket and CPU” on page 89

Step	Screw (quantity)	Torque
	M2.5 × 4.8 mm, nylon-coated (2)	0.392 Nm
		(4 kgfcm)

(continued)

ThinkPad A20m/p, A21m/p and A22m/p 91