Attention:
v Do not press the microprocessor into the socket.
v Make sure that the microprocessor is oriented and aligned correctly in the
socket before you try to close the microprocessor retainer.
v Do not touch the thermal material on the bottom of the heat sink or on
top of the microprocessor. Touching the thermal material will contaminate
it.
6. Close the microprocessor socket release retainer and levers.
Dust
cover
Microprocessor
retainer
Release
lever
Release
lever
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.
d. If a socket cover is installed over the microprocessor retainer, it is released
as you close the retainer. Remove the socket cover from the compute node
and store it in a safe place.
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 material on the bottom of the heat sink.
Touching the thermal material will contaminate it.
7. If you are installing a new heat sink, remove the plastic protective cover from
the bottom of the heat sink. If you are reinstalling a heat sink that you
previously removed from the compute node, make sure that the thermal
material is still on the bottom of the heat sink and on the top of the
microprocessor.
a. Position the heat sink over the microprocessor. The heat sink is keyed to
assist with proper alignment.
b. Align and place the heat sink on top of the microprocessor in the retention
bracket, thermal material side down.
c. Press firmly on the heat sink.
d. Align the screws on the heat sink with the holes on the heat-sink retention
module.
e. Press firmly on the captive screws and tighten them with a screwdriver,
alternating among the screws until they are tight. If possible, each screw
should be rotated two full rotations at a time. Repeat until the screws are
tight. Do not overtighten the screws by using excessive force. If you are
550 IBM Flex System x440 Compute Node Types 7917 and 2584: Installation and Service Guide
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