11. Lower the microprocessor straight down into the system board socket of the
system board.
12. To secure the microprocessor in the socket, close the microprocessor retainer
and lock it into position with the small handle.
13. Install the heat sink and fan assembly on the system board.
14. Connect the heat sink and fan assembly cable to the system board. See the
system board illustration for your machine type at "Locating parts on the
system board" on page 125.
15. Go to "Completing the FRU replacement" on page 161.
Chapter 9. Replacing FRUs - Tower Computers
145