Attention: When you handle static-sensitive devices, take precautions to
avoid damage from static electricity. For details about handling these devices,
see “Handling static-sensitive devices” on page 36.
9. Close the microprocessor socket release levers and retainer:
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.
Attention:
v If you are installing a new heat sink, 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.
Touching the thermal grease will contaminate it.
10. Install the heat sink.
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 after you
remove the plastic cover. Touching the thermal grease will contaminate it.
See “Thermal grease” on page 92 for more information.
Socket cover
Microprocessor
Figure 70. Socket cover removal
Microprocessor
Microprocessor
release le
ver
Microprocessor
release le
ver
Figure 71. Microprocessor socket levers and retainer engagement
90 IBM System x3550 M4 Type 7914: Installation and Service Guide
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