Lenovo ThinkServer RD120 Hardware Maintenance Manual page 132

Attention:
v A startup (boot) microprocessor must always be installed in microprocessor
v To ensure correct server operation, use microprocessors that have the same
v If you are installing a microprocessor that has been removed, make sure that it is
To install a new or replacement microprocessor, complete the following steps. The
following illustration shows how to install microprocessor 2 on the system board. A
VRM is required only if microprocessor 2 is installed.
Note: For simplicity, certain components are not shown in this illustration.
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ThinkServer RD120 server Machine Types 6444, 6445, 6446, and 6447: Hardware Maintenance Manual
connector 1 on the system board.
cache size and type, front-side bus frequency, and clock speed. Microprocessor
internal and external clock frequencies must be identical.
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.
1
Heat sink
2
Heat sink filler
1. If you are installing microprocessor 2, and are replacing the VRM, install the
new VRM in the VRM connector (J72).
3
Microprocessor
4
Microprocessor socket dust cover