Lenovo ThinkCentre 3656 Hardware Maintenance Manual page 138

10. Lower the microprocessor straight down into the system board socket of the
11. To secure the microprocessor in the socket, close the microprocessor retainer
12. Install the heat sink and fan assembly on the system board.
13. Connect the heat sink and fan assembly cable to the system board. See
14. Position the fan duct on the heat sink fan.
15. Go to "Completing the FRU replacement" on page 141.
132
Hardware Maintenance Manual
9. Holding the microprocessor with your fingers, position the microprocessor so
that the small triangle on one corner is aligned with the corresponding
triangle on the microprocessor socket.
new system board.
and lock it into position with the small handle.
"Locating parts on the system board" on page 119.