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Microprocessor
Microprocessor retainer
e. Center the microprocessor over the microprocessor socket. Align the triangle
on the corner of the microprocessor with the triangle on the corner of the
socket and carefully place the microprocessor into the socket.
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.
f. Carefully close the microprocessor retainer.
g. Rotate the locking lever on the microprocessor socket to the closed and
locked position. Make sure that the lever is secured in the locked position by
the tab on the microprocessor socket.
2. Install a heat sink on the microprocessor.
Attention:
v 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.
v If the thermal material on the microprocessor or heat sink becomes
contaminated, you must replace it. See the information that follows these
steps for instructions.
Heat sink
Thermal material
a. If you are installing a new heat sink, remove the plastic protective cover
from the bottom of the heat sink.
b. Install the thermal sensor clip on the back of the heat sink.
c. Make sure that the thermal material is still on the bottom of the heat sink;
then, 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 four screws on the heat sink with the holes on the system-board
tray.
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
Alignment marks
Microprocessor
socket
Chapter 5. Removing and replacing server components
201
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