1140 Express Sub Card - Lenovo 1141BTU Hardware Maintenance Manual

• "1110 Keyboard" on page 65
• "1120 Top case assembly" on page 66
Table 20. Removal steps of Bluetooth daughter card
Step Screw (quantity)
1
M2 × 3 mm, wafer-head, nylon-coated (1)
When installing: Make sure that the connector on the bottom side of the card is attached firmly to the system board.

1140 Express sub card

For access, remove these FRUs in order:
• "1010 Battery pack" on page 54
• "1020 ExpressCard blank bezel" on page 55
• "1030 Bottom slot cover" on page 56
• "1040 Optical drive or travel cover" on page 57
• "1110 Keyboard" on page 65
• "1120 Top case assembly" on page 66
Table 21. Removal steps of Express sub card
When installing: Make sure that the Express sub card is attached firmly to the system board.
70
Hardware Maintenance Manual
Color Torque
Black 0.181 Nm
(1.85 kgfcm)