IBM 8670M1X User Manual page 73

c. Alternate the tightening of the captive screws to secure the heat sink to the
microprocessor. Turn one screw a few turns and then turn the other screw a
few turns, alternating between the screws until the heat sink is secure.
9. Install the air baffle over the microprocessor section of the system board.
If you have other options to install or remove, do so now. Otherwise, go to
"Installing the server cover and bezel" on page 71.
Captive screws
Microprocessor
Heat sink
VRM
Microprocessor
release lever
Chapter 4. Customer replaceable units
65