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v When you install a second microprocessor, you must also install the voltage
v Some models support dual-core microprocessors or quad-core microprocessors.
v To ensure proper server operation when you install an additional microprocessor,
v Mixing microprocessors of different stepping levels within the same server model
v The microprocessor speeds are automatically set for this server; therefore, you
v If the thermal-grease protective cover (for example, a plastic cap or tape liner) is
v If you have to replace a microprocessor, call for service.
v To order additional microprocessor options, contact your IBM marketing
The following illustration shows the locations of the microprocessor connectors and
the VRM connector.
To install an additional microprocessor, complete the following steps:
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System x3400 M2 Types 7836 and 7837: Installation and User's Guide
regulator module (VRM), which comes with the microprocessor option kit, in the
VRM connector on the system board.
Do not mix dual-core microprocessors and quad-core microprocessors in the
same system. Install all dual-core or all quad-core microprocessors in the server.
use microprocessors that have the same QuickPath Interconnect (QPI) link
speed, integrated memory controller frequency, core frequency, power segment,
internal cache size, and type. You can use the Setup utility to determine the
specific type of microprocessor that is installed on the system board.
is supported. You do not have to install the microprocessor with the lowest
stepping level and features in microprocessor socket 1.
do not have to set any microprocessor frequency-selection jumpers or switches.
removed from the heat sink, do not touch the thermal grease on the bottom of
the heat sink or set down the heat sink.
representative or authorized reseller. See http://www.ibm.com/servers/eserver/
serverproven/compat/us/ for a list of supported microprocessors.
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