v Microprocessors with different stepping levels are supported in this server. If you
install microprocessors with different stepping levels, it does not matter which
microprocessor is installed in microprocessor connector 1 or connector 2.
v Do not install an Intel Xeon
™
5500 series microprocessor and an Xeon
™
5600
series microprocessor in the same server.
v If you are installing a microprocessor that has been removed, make sure that it is
paired with its original heat sink or a new replacement heat sink. Do not reuse a
heat sink from another microprocessor; the thermal grease distribution might be
different and might affect conductivity.
v If you are installing a new heat sink, remove the protective backing from the
thermal material that is on the underside of the new heat sink.
v If you are installing a new heat-sink assembly that did not come with thermal
grease, see “Thermal grease” on page 228 for instructions for applying thermal
grease.
v If you are installing a heat sink that has contaminated thermal grease, see
“Thermal grease” on page 228 for instructions for replacing the thermal grease.
To install a new or replacement microprocessor, complete the following steps. The
following illustration shows how to install a microprocessor on the system board.
1. Locate the second microprocessor socket on the system board.
2. Remove the microprocessor socket dust cover from the surface of the
microprocessor socket, if one is present. Store the dust cover in a safe place.
3. Install the microprocessor:
a. Rotate the microprocessor release lever on the socket from its closed and
locked position until it stops in the fully open position.
Microprocessor
release lever
Microprocessor
retainer
b. Rotate the hinged microprocessor bracket frame into the open position.
c. Touch the static-protective package that contains the microprocessor to any
unpainted metal surface on the server. Then, remove the microprocessor
from the package.
224 IBM System x3630 M3 Type 7377: Problem Determination and Service Guide
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