IBM ThinkCentre 8104, Hardware Replacement Manual

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10. Position the microprocessor so that the notches on the microprocessor are
aligned with the tabs in the microprocessor socket.
Important
To avoid damaging the microprocessor contacts, do not tilt the
microprocessor when installing it into the socket.
11. Use the vacuum pen
1
to lower the microprocessor straight down into the
system board socket.
12.
Lower the microprocessor retainer
1
and then lower the lever
3
to secure
the retainer. Make sure the lever is securely locked into position.
16
Hardware Replacement Guide