Toshiba Magnia 3310 - Manual (Page 123)

Installing and Removing Hardware
CPU module
105
3 Align the CPU pins correctly with the holes in the socket, and
insert the CPU module as far as it will go.
Press in the CPU module until both ends are even and flat.
Check it has gone in all the way.
Inserting the CPU module
NOTE: A standard CPU module is installed in the CPU socket
1. To add a CPU module, install it in the CPU socket 2.
4 Push down the socket lock lever until it hooks on the socket
claw and is locked in place.
Pushing down the CPU lock lever