For access, remove this FRU:
v "1010 Battery pack" on page 60
Note: Loosen the screw 1 , but do not remove it.
When installing: With the notched end of the DIMM
toward the socket, insert the DIMM into
the socket, and then press it firmly. Pivot
the DIMM until it snaps into place. Make
sure that the card is firmly fixed in the
slot and does not move easily.
ThinkPad T20, T21, T22 and T23 series
Removing and replacing a FRU