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10. If you have other options to install or remove, do so now; otherwise, go to
34
IBM xSeries 235 Type 8671: Installation Guide
Attention:
v Do not use excessive force when pressing the microprocessor into the
socket.
v Make sure that the microprocessor is oriented and aligned correctly with
pin number 1 in the socket before you try to close the
microprocessor-release lever.
Microprocessor 1
Alignment marks
Microprocessor
socket 1
d. Carefully close the microprocessor-release lever to secure the
microprocessor in the socket.
9. Install a heat sink on the microprocessor:
a. Remove the protective film from the bottom of the heat sink.
Notes:
1) Do not set the heat sink down after you remove the protective film.
2) 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, contact
your service technician.
b. Align and place the heat sink on top of the microprocessor in the retention
bracket. Press firmly on the heat sink.
Attention:
Alternate the tightening of the two captive screws to prevent
damage to the microprocessor. Ensure that the screws are completely
tightened until they stop; otherwise, damage to the microprocessor will
occur.
c. Secure the heat sink to the microprocessor. Alternate between the two
captive screws in the heat sink while tightening them.
"Completing the installation" on page 35.
Microprocessor 2
Alignment marks
Microprocessor
socket 2
Thermal grease
Heat sink
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