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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 blade server and store it in a safe place.
Step 6.
If you are reinstalling a heat sink that was removed from the blade server, complete the following
steps.
Attention: Do not touch the thermal material on the bottom of the heat sink. Touching the thermal
material will contaminate it. If the thermal material on the microprocessor or heat sink becomes
contaminated, wipe off the contaminated thermal material on the microprocessor or heat sink with
the alcohol wipes and reapply clean thermal grease to the heat sink.
a.
Make sure that the thermal material is still on the bottom of the heat sink and on the top of the
microprocessor.
b.
Position the heat sink over the microprocessor. The heat sink is keyed to assist with proper
alignment.
c.
Align and place the heat sink on top of the microprocessor in the retention bracket, thermal
material side down. 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 using a torque wrench, tighten the screws to 8.5 Newton-meters (Nm) to 13 Nm (6.3
foot-pounds to 9.6 foot-pounds).
Step 7.
If you are installing a new heat sink, complete the following steps.
Attention:
• Do not set down the heat sink after you remove the plastic cover.
• Do not touch the thermal material on the bottom of the heat sink. Touching the thermal material
will contaminate it. If the thermal material on the microprocessor or heat sink becomes
contaminated, contact your service technician.
a.
Remove the plastic protective cover from the bottom of the heat sink.
b.
Position the heat sink over the microprocessor. The heat sink is keyed to assist with proper
alignment.
c.
Align and place the heat sink on top of the microprocessor in the retention bracket, thermal
material side down.
Microprocessor
retainer
Release lever
.
Chapter 4
Removing and replacing blade server components
69
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