Removing and replacing a FRU

When installing the CPU, do as shown in the figure.

vRotate the screw head (A) 180° to the direction of the

arrow

to lock the CPU.

vWhen attach the CPU to the socket, do as shown in the step .

90ThinkPad A20m/p, A21m/p, A22m/p

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IBM A21M, A22P, A22M, A21P, A20M, MT 2631 manual Removing and replacing a FRU