Lenovo ThinkPad X121e Hardware Maintenance Manual page 61

Step Screw (quantity)
2
M2 × 3 mm, wafer-head, nylon-coated (1)
When installing: Plug the gray cable into the jack marked MAIN or M, and the black cable into the jack
marked AUX or A on the card.
Note: In models with a wireless LAN card that has three antenna connectors, plug the gray cable (MAIN) into
the jack marked TR1, the white cable (third) into the jack marked RO or TR3, and the black cable (AUX)
into the jack marked TR2 on the card.
1
1
Chapter 8
Color Torque
Black 0.181 Nm
(1.85 kgfcm)
.
Removing and replacing a FRU
55