Replacing The Microprocessor; Types 8701, 8705, 8973, 8975, 8983, 8985, 8995, 9265, 9277, 9279, 9287, 9379, 9387, 9389, 9635, 9637, And 9648 - Lenovo ThinkCentre 8700 Hardware Maintenance Manual

19. Lower the small handle to secure the microprocessor in the socket.
20. Connect the heat sink and fan assembly cable to the system board. See the
21. Install the new system board into the chassis and align the screw holes with
22. Pivot the hard disk drive back into position.
23. Connect the power and signal cables to the hard disk drive.
24. Connect all cables to the system board. See the system board illustration for
25. Go to "Completing the FRU replacement" on page 160.

Replacing the microprocessor

The procedure to replace the microprocessor varies depending upon the machine
type.
Types 8701, 8705, 8973, 8975, 8983, 8985, 8995, 9265, 9277,
9279, 9287, 9379, 9387, 9389, 9635, 9637, and 9648
system board illustration for your machine type at "Identifying parts on the
system board" on page 130.
those in the chassis. Insert and tighten the screws that secure the system
board.
your machine type at "Identifying parts on the system board" on page 130.
Important
The heat sink and microprocessor might be very hot. Make sure these
components are cool enough to safely handle before continuing this
procedure.
1. Remove the side cover. See "Removing the cover" on page 129.
2. Place the computer on its right side to help make the microprocessor more
accessible.
3. Disconnect the heat sink and fan assembly cable from the system board. See
the system board illustration for your machine type at "Identifying parts on
the system board" on page 130.
Chapter 9. Replacing FRUs (tower computers)
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