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IBM System x3750 M4 User Manual

IBM System x3750 M4
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v To ensure proper server operation when you install an additional
microprocessor, use microprocessors that have the same QuickPath Interconnect
(QPI) link speed, integrated memory controller frequency, core frequency, power
segment, internal cache size, and type.
v Installing microprocessors of different stepping levels within the same server is
supported.
v When you install microprocessors with different stepping levels within the same
server , you do not have to install the microprocessor with the lowest stepping
level and features in microprocessor socket 1.
v The components in the server dictate the number of microprocessors that you
must install to support the components. Failure to adhere to the following
information will affect the system performance and functionality:
Table 20. The components supported by each microprocessor
Number of microprocessors
Components the server can support with
the that number of microprocessor(s)
installed
Microprocessor 1 Onboard LSI SAS controller
Onboard Emulex Ethernet controller
PCIe slots 6, 7, and 8
Microprocessor 2 PCIe slots 1, 2, 3, 4, and 5
Microprocessor 3 and 4 (these must be
installed as a pair)
A fully-populated server
v The server supports microprocessor failover support. For example, if two
microprocessors are installed and microprocessor 1 fails, the server will switch to
microprocessor 2 until the server is serviced. To ensure that the microprocessor
failover support works correctly, do the following:
Make sure that microprocessor 1 and microprocessor 2 have valid boot
devices and paths. That is, an Ethernet controller or a SAS controller must be
installed in slots 1, 2, 3, 4, or 5 to boot from microprocessor 2.
Make sure that the boot order in the Setup utility is set up so that both
microprocessor 1 and microprocessor 2 boot devices are in the boot order.
v The microprocessor voltage regulator modules are integrated on the system
board and the microprocessor and memory expansion tray.
v If you have to replace a microprocessor, you must call for service.
v Read the documentation that comes with the microprocessor, so that you can
determine whether you have to update the server firmware. To download the
latest level of the server firmware and other code updates for your server, go to
http://www.ibm.com/supportportal/.
v 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. For more information, see “Thermal
grease” on page 101.
Note: Removing the heat sink from the microprocessor destroys the even
distribution of the thermal grease and requires replacing the thermal grease.
v To order an additional optional microprocessor, contact your IBM marketing
representative or authorized reseller.
v When you order a microprocessor option kit, it comes with a microprocessor
installation tool that you must use to install the microprocessor. The
microprocessor installation tool comes with the microprocessor and a protective
cover on the bottom of the microprocessor tool.
96 System x3750 M4 Types 8722 and 8733: Installation and Service Guide

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IBM System x3750 M4 Specifications

General IconGeneral
BrandIBM
ModelSystem x3750 M4
CategoryServer
LanguageEnglish

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