For access, remove these FRUs in order:

• Battery pack FRU.
• Bottom door FRU.

In step [1a] and [1b], unplug the jacks by using the removal tool antenna RF connector (P/N: 08K7159) or pick the connectors with your fingers and gently unplug them in direction of the arrow.

When installing:

For ThinkPad X100e: 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.

For ThinkPad X120e: Plug the white cable into the jack marked 1 or M, and the black cable into the jack marked 2 or A on the card.