c. Lower the flange of the heat sink into the opening in the retainer bracket
and press down firmly on the rear of the heat sink until it is seated
securely.
Heat sink
release lever
Microprocessor
Retention
module
Lock tab
Flange
Slot
opening
d. Rotate the heat-sink release lever to the closed position and hook it
underneath the lock tab.
13. Reinstall the microprocessor air baffle, (see “Replacing the microprocessor air
baffle” on page 113).
14. Reinstall the riser-card assembly on the system board (see “Installing a PCI
riser-card assembly” on page 69).
15. Reinstall the memory tray, if one was removed (see“Replacing the memory
tray” on page 113).
16. Reinstall the DIMM air baffle, if one was removed (see “Replacing the DIMM
air baffle” on page 112).
17. Reconnect any cables that your disconnected from the adapters or system
board.
If you have other options to install or remove, do so now. Otherwise, go to
“Completing the installation” on page 112.
90 System x3690 X5 Types 7147, 7148, 7149, and 7192: Installation and User's Guide