c. Align the heat sink above the microprocessor with the thermal-grease side
down.
d. Slide the rear flange of the heat sink into the opening in the retainer
bracket.
e. Press down firmly on the front of the heat sink until it is seated securely.
f. Rotate the heat-sink release lever to the closed position and hook it
underneath the lock tab.
10. Install the microprocessor air baffle (see “Installing the microprocessor 2 air
baffle” on page 49).
11. Install PCI riser-card assembly 2 (see “Installing a PCI riser-card assembly” on
page 47).
If you have other devices to install or remove, do so now. Otherwise, go to
“Completing the installation” on page 139.
102 System x3650 M3 Types 4255, 7945, and 7949: Installation and User’s Guide