Lenovo Flex System x480 X6 Compute Node Installation And Service Manual page 1043

• Do not press the microprocessor into the socket.
• Make sure that the microprocessor is oriented and aligned correctly in the socket before
you try to close the microprocessor retainer.
• 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.
Step 10. Close the microprocessor retainer and release levers in the order that is shown.
Microprocessor
bracket frame
Release
lever 2
a. Remove the microprocessor dust cover.
b. Close the microprocessor retainer on the microprocessor socket.
c. Identify which release lever is labeled as the first release lever to close, and close it.
d. Close the second release lever on the microprocessor socket.
Attention:
• If you are installing a new heat sink, do not set down the heat sink after you remove the
plastic cover.
• Do not touch the thermal grease on the bottom of the heat sink. Touching the thermal
grease will contaminate it.
Step 11. 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 grease is still on the bottom of the heat sink and on the top of
the microprocessor.
a. Position the notched side of the heat sink in the standoff and align the heat sink over the
microprocessor. The heat sink is keyed to assist with proper alignment.
Dust
cover
Release
lever 1
Heat sink
Standoff
.
Chapter 7 Installing, removing, and replacing compute node components
1033