For ThinkPad X61 and X61s computers:
Step Screw (quantity) Color Torque
2 M2 × 2.5 mm, wafer-head, nylon-coated (2) Silver 0.157 Nm
(1.6 kgfcm)
When installing: If you are installing a 802.11n wireless LAN card, attach the grey
cable to the left connector and the black cable to the right
connector. If you attach either cable to the center connector, the
connection speed will be lower.
Removing and replacing a FRU
ThinkPad X60, X60s, X61, and X61s 79