50
M41-80 Hardware Maintenance Manual
1110 IO board
For access, remove these FRUs in order:
• “1010 Keyboard” on page 33
• “1020 Base cover” on page 35
• “1030 Battery pack” on page 38
• “1040 Hard disk drive” on page 39
• “1050 PCI Express Mini Card for wireless LAN” on page 41
• “1070 System board” on page 45
• “1090 Touchpad module” on page 48
• “1100 Speakers” on page 49
Figure 11. Removal steps of IO board
Remove the screws
1
and
2
. Then remove the IO board in the direction
shown by arrow
3
.
1
2
3
Step Screw (quantity)
Color Torque
1
M2.5 x 4.5 mm, Phillips-head, nylok-coated (1)
IO BD to Up
Silver
3.0 (2.7-3.3) kgf*cm
2
M2.0 x 4.0 mm, Phillips-head, nylok-coated (1)
IO BD to Up
Black 1.85 (1.7-2.0) kgf*cm
