Lenovo 7812, Hardware Maintenance Manual

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Notes:
a.
Note the orientation of the notches
1
on the microprocessor. This is
important when reinstalling the microprocessor on the system board.
b. Do not drop anything onto the microprocessor socket while it is exposed.
The socket pins must be kept as clean as possible.
8.
Make sure that the microprocessor retainer is fully open.
9. Holding the microprocessor with your fingers, remove the protective cover
2
that protects the gold contacts on the new microprocessor
1
.
10. Holding the microprocessor with your fingers, align the notches on the
microprocessor with the tabs in the microprocessor socket
11. Lower the microprocessor straight down into the socket.
12.
To secure the microprocessor in the socket, close the microprocessor retainer
and lock it into position with the small handle.
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Hardware Maintenance Manual