IBM x3455 - System - 7984 User Manual page 64

10. Reinstall the air baffle for microprocessor 2 (see step1 on page 51).
If you have other devices to install or remove, do so now. Otherwise, go to
"Completing the installation" on page 51.
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System x3455 Types 7984 and 7986: User's Guide
8. Carefully close the release lever to secure the microprocessor in the socket.
Note: A new heat sink comes in a kit with a microprocessor.
Heat sink
9. Install the heat sink.
a. Remove the heat sink from its package and remove the cover from the
bottom of the heat sink.
b. Make sure that the thermal material is still on the bottom of the heat sink,
and position the heat sink on top of the microprocessor.
c. Align the captive screws on the heat sink with the holes that surround the
microprocessor socket.
d. Press firmly on the captive screws and tighten them, alternating among the
screws on opposite sides of the heat sink until they are tight. Do not
overtighten the screws by using excessive force.
Captive screws
Microprocessor
socket