Attention:
Do not touch the thermal grease on the bottom of the heat sink.
Touching the thermal grease will contaminate it. If the thermal grease on the
microprocessor or heat sink becomes contaminated, wipe off the contaminated
thermal grease on the microprocessor or heat sink with the alcohol wipes and
reapply clean thermal grease to the heat sink (see “Thermal grease”).
a.
Make sure that the thermal grease 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 grease 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).
14.
If you are installing a new heat sink, complete the following steps.
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. Touching
the thermal grease will contaminate it. If the thermal grease on the
microprocessor or heat sink becomes contaminated, wipe off the
contaminated thermal grease on the microprocessor or heat sink with the
alcohol wipes and reapply clean thermal grease to the heat sink (see
“Thermal grease”).
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 grease side down.
d.
Press firmly on the heat sink.
e.
Align the screws on the heat sink with the holes on the heat-sink retention
module.
f.
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).
15.
If you have other devices to install or remove, do so now; otherwise, go to
“Completing the installation” on page 43.
Thermal grease
Use this information to determine the guidelines for using thermal grease on a
heat sink and processor.
34
BladeCenter HS23E Type 8038 and 8039: Installation and User's Guide
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