Lenovo SL500c, SL400c manual M2 ⋅ 4 mm, wafer-head, nylon-coated Silver 167 Nm Kgfcm

1290 I/O board and I/O board FPC (for ThinkPad SL400 and SL400c)

For access, remove these FRUs in order:

v“1010 Battery pack” on page 63

v“1020 Optical drive” on page 64

v“1030 Hard disk drive (HDD) cover and HDD” on page 65

v“1040 DIMM slot cover (for ThinkPad SL400 and SL400c)” on page 67

v“1060 DIMM” on page 68

v“1070 PCI Express Mini Card for wireless LAN/WiMAX” on page 69

v“1080 PCI Express Mini Card for wireless WAN (for ThinkPad SL400 and SL400c)” on page 72

v“1100 Thermal door (for ThinkPad SL400 and SL400c)” on page 76

v“1120 Fan assembly” on page 78

v“1130 CPU thermal module” on page 81

v“1140 CPU” on page 83

v“1150 Palm rest (for ThinkPad SL400 and SL400c)” on page 84

v“1170 Bluetooth daughter card (BDC-2.1)” on page 88

v“1180 Intel Turbo Memory Minicard or Wireless USB adapter” on page 89

v“1190 Backup battery (for ThinkPad SL400 and SL400c)” on page 91

v“1210 Keyboard” on page 93

v“1220 Top case sub assembly (for ThinkPad SL400 and SL400c)” on page 95

v“1240 LCD unit (for ThinkPad SL400 and SL400c)” on page 100

v“1260 Frame L (magnesium frame assembly)” on page 109

Table 42. Removal steps of I/O board and I/O board FPC (ThinkPad SL400 and SL400c)

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Step	Screw (quantity)	Color	Torque
	M2 ⋅ 4 mm, wafer-head, nylon-coated (4)	Silver	0.167 Nm
			(1.7 kgfcm)

116ThinkPad SL400, SL400c, SL500, and SL500c Hardware Maintenance Manual