Lenovo THINKSERVER 3821 User Manual
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(Optional) Obtain an SMP-capable operating system. For a list of supported
operating systems and optional devices, see
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To order additional microprocessor optional devices, contact your Lenovo
marketing representative or authorized reseller.
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The microprocessor speeds are automatically set for this server; therefore, you
do not have to set any microprocessor frequency-selection jumpers or switches.
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If you have to replace a microprocessor, call for service.
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The heat-sink FRU is packaged with the thermal grease applied to the underside:
– If the thermal-grease protective cover (for example, a plastic cap or tape liner)
is removed from the heat sink, do not touch the thermal grease on the bottom
of the heat sink or set down the heat sink.
– You must replace the thermal grease if it becomes contaminated or has come
in contact with another object other than its paired microprocessor.
– The thermal grease is available as a separate FRU.
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Do not remove the first microprocessor from the system board to install the
second microprocessor.
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Some models support dual-core processors and quad-core processors. Do not
use dual-core processors and quad-core processors in the same server. Install all
dual-core or all quad-core processors in the server.
1
Heat sink 2
5
Alignment key tab
2
Microprocessor release lever
6
Microprocessor 2
3
VRM connector
7
Alignment key
4
Microprocessor 2 VRM
To install a microprocessor, complete the following steps:
1. Touch the static-protective package that contains the microprocessor to any
unpainted metal surface on the server; then, remove the microprocessor from
the package.
Chapter 7. Installing optional devices and replacing customer replaceable units
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