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Installing a microprocessor
Your server comes with one microprocessor installed on the system board. Your
server supports up to two microprocessors. With two microprocessors, your server
can operate as a symmetric multiprocessing (SMP) server. With SMP, certain
operating systems and application programs can distribute the processing load
among the microprocessors.
Before you begin:
v Thoroughly review the documentation that comes with the microprocessor to
v (Optional) Obtain an SMP-capable operating system. For a list of supported
Attention:
microprocessor, use microprocessors that have the same cache size and type, and
the same clock speed. Microprocessor internal and external clock frequencies must
be identical. You can use the Configuration/Setup Utility program in your server to
determine the specific type of microprocessor on your system board.
Important: A microprocessor must always be installed in socket CPU1 of the
Notes:
1. To order additional microprocessor options, contact your IBM marketing
2. Terminator cards are not required for empty microprocessor sockets. However,
3. The microprocessor speeds are automatically set for this server; therefore, you
4. If you need to replace a microprocessor, call for service.
5. For additional illustrations of the system-board components, see "System board"
Configuring the operating system
Some operating systems need to be configured to support an additional
microprocessor. See your operating-system documentation for information.
If Windows 2000 is installed in the server, complete the following steps to configure
the operating system. Check the Microsoft web page at http://www.microsoft.com for
updates to these instructions. In the Microsoft Web page, type multiprocessor
support in the Search field and press Enter.
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IBM xSeries 225 Type 8647: Hardware Maintenance Manual and Troubleshooting Guide
determine the required BIOS update. The latest level of BIOS code for your
server is available through the World Wide Web. See the User's Guide on the
IBM xSeries Documentation CD for the World Wide Web addresses.
operating systems and other options, go to http://www.ibm.com/pc/us/compat/ on
the World Wide Web.
To ensure proper server operation when you install an additional
system board.
representative or authorized reseller.
for airflow, an empty microprocessor socket must contain a microprocessor
baffle.
do not need to set any microprocessor frequency-selection jumpers or switches.
on page 34
1. Back up the hard disk.
2. From the desktop, click Start → Settings → Control Panel.
3. In the Control Panel window, double-click the System icon.
4. In the System Properties window, click the Hardware tab; then, click Device
Manager.
5. In the Device Manager window, click on the plus sign (+) beside Computer to
expand the list; then, double-click ACPI Uniprocessor PC.
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Table of Contents
Troubleshooting
