Installing A Microprocessor - IBM xSeries 150 User Reference Manual

Installing a microprocessor

3. Turn off the server and peripheral devices and disconnect all external cables and
power cords; then, remove the cover (see "Removing the cover, door, and bezel"
on page 26 for details).
4. Touch the static-protective package containing the DIMM to any unpainted metal
surface on the server. Then, remove the DIMM from the package.
Note: To avoid breaking the retaining clips or damaging the DIMM connectors,
handle the clips gently.
5. Install the DIMM:
a. Turn the DIMM so that the pins align correctly with the connector.
b. Insert the DIMM into the connector by pressing on one edge of the DIMM
and then on the other edge of the DIMM. Be sure to press straight into the
connector. Be sure that the retaining clips snap into the closed positions.
c. Make sure the retaining clips are in the closed position. If a gap exists
between the DIMM and the retaining clips, the DIMM has not been properly
installed. In this case, open the retaining clips and remove the DIMM; then,
reinsert the DIMM.
6. If you have other options to install or remove, do so now; otherwise, go to
"Installing the cover" on page 49.
Your server comes with one microprocessor installed on the system board. If you
install an additional microprocessor, your server can operate as a symmetric
multiprocessing (SMP) server. With SMP, certain operating systems and 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.
Notes:
1. Before you install a new microprocessor, review the documentation that comes
with the microprocessor, so that you can determine whether you need to update
the server basic input/output system (BIOS). The latest level of BIOS for your
server is available through the World Wide Web and the IBM Bulletin Board
System (BBS). Refer to "Service support" on page 116 for the appropriate World
Wide Web addresses and bulletin-board telephone numbers.
2. Obtain an SMP-capable operating system (optional). For a list of supported
operating systems, see http://www.ibm.com/pc/us/compat/ on the World
Wide Web.
3. Your server comes with one microprocessor installed in the microprocessor
connector (U3) that is closest to the power supply. This is the startup (boot)
microprocessor. A microprocessor installed in connector U17 is microprocessor 2.
If more than one microprocessor is installed, the microprocessor installed in
microprocessor connector U17 is the startup processor and the microprocessor
installed in U3 is the application processor.
Attention: To avoid damage and ensure proper server operation when you install a
new or an additional microprocessor, use microprocessors that have the same cache
size and type, and the same clock speed. Microprocessor internal clock frequencies
and external clock frequencies must be identical. See the ServerProven list at
http://www.ibm.com/pc/netfinity for a list of microprocessors for use with your
server.
Note: The illustrations in this document might differ slightly from your hardware.
Chapter 3. Installing Options
41