IBM ThinkPad T21

4
a
When installing, do the following:
v Attach the I/O card spacer (a) onto the new sub card
and make sure that the connector is firmly attached.
v Make sure that the eject lever is poped out b and then
install the sub card.
v Take care not to damage the switch on the sub card (A).
v Make sure that the guide of the card is firmly attached
c as shown in the figure.
A
b
c
Removing and replacing a FRU
132 ThinkPad T20, T21, T22, T23 (MT 2647/2648)