IBM ThinkPad X30, ThinkPad X31 (MT 2672 Manual page 122

Removing and replacing a FRU
When installing:
1. If the ThinkPad computer you are servicing has the
Bluetooth features, reattach the Bluetooth button cover
before you install the new inverter card FRU to the
computer.
2. Make sure that both of the connectors 2 , 3 are
attached firmly.
Cable routing: When replacing the inverter card, route
118
ThinkPad X30, X31 (MT 2672/2673)
the connector cable as in the following
figure: