IBM 8835 Installation Guide - Page 37

Installing an additional microprocessor, User's Guide, Documentation

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Installing an additional microprocessor The following notes describe the type of microprocessor that your server supports and other information that you must consider when installing a microprocessor: v The server comes with one microprocessor installed. The following illustration shows the two microprocessor sockets on the system board. The voltage regulator modules (VRMs) for microprocessors 1 and 2 are on the system board. Microprocessor 1 error LED (DLED13) Microprocessor 1 (U1) Microprocessor 2 (U2) Microprocessor 2 error LED (DLED14) v If one microprocessor is installed, it is installed in microprocessor socket 1 (U1) and supports both the startup and application processes. v If you install a second microprocessor in the server, the server operates as a symmetric multiprocessing (SMP) server, and operating-system application programs can distribute the processing load between the microprocessors. This enhances performance for database and point-of-sale applications, integrated manufacturing solutions, and other applications. Microprocessor 2 is installed in socket 2 (U2). v Read the documentation that comes with the microprocessor to determine whether you need to update the BIOS code. The most current level of BIOS code for the server is available at http://www.ibm.com/pc/support/. For additional information, see the User's Guide on the IBM Documentation CD. Eserver v To use SMP, obtain an SMP-capable operating system. For a list of supported operating systems, go to http://www.ibm.com/pc/us/compat/. Chapter 2. Installing options 23

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Installing an additional microprocessor
The following notes describe the type of microprocessor that your server supports
and other information that you must consider when installing a microprocessor:
v
The server comes with one microprocessor installed. The following illustration
shows the two microprocessor sockets on the system board. The voltage
regulator modules (VRMs) for microprocessors 1 and 2 are on the system board.
Microprocessor 2 (U2)
Microprocessor 2 error
LED (DLED14)
Microprocessor 1 (U1)
Microprocessor 1 error
LED (DLED13)
v
If one microprocessor is installed, it is installed in microprocessor socket 1 (U1)
and supports both the startup and application processes.
v
If you install a second microprocessor in the server, the server operates as a
symmetric multiprocessing (SMP) server, and operating-system application
programs can distribute the processing load between the microprocessors. This
enhances performance for database and point-of-sale applications, integrated
manufacturing solutions, and other applications. Microprocessor 2 is installed in
socket 2 (U2).
v
Read the documentation that comes with the microprocessor to determine
whether you need to update the BIOS code. The most current level of BIOS code
for the server is available at http://www.ibm.com/pc/support/. For additional
information, see the
User’s Guide
on the IBM
Eserver
Documentation
CD.
v
To use SMP, obtain an SMP-capable operating system. For a list of supported
operating systems, go to http://www.ibm.com/pc/us/compat/.
Chapter 2. Installing options
23