a. Close the microprocessor retainer on the microprocessor socket.
b. Identify which release lever is labeled as the first release lever to close and
close it.
c. Close the second release lever on the microprocessor socket.
12. Install a heat sink on the microprocessor:
Attention:
v Do not set down the heat sink after you remove the plastic cover
v Do not touch the thermal grease on the bottom of the heat sink or set down
the heat sink after you remove the plastic cover. Touching the thermal
grease will contaminate it. If the thermal grease is contaminated, call IBM
service and support to request a replacement thermal grease kit. For
information about installing the replacement thermal grease, see “Thermal
grease” on page 73.
Figure 54. Microprocessor socket levers and retainer engagement
Figure 55. Heat-sink
Chapter 2. Installing optional devices 71
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