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Installing a microprocessor kit
The server comes with one microprocessor installed on the system board. The
server supports up to four microprocessors. If you install at least one additional
microprocessor, the 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 Review the information in “Before you begin” on page 50
v Thoroughly 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 the server is available through the
World Wide Web and the IBM Bulletin Board System (BBS). Go to
http://www.pc.ibm.com/support/, select IBM Servers, and make the selections for
the server.
v 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.
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 and
external clock frequencies must be identical.
Notes:
1. To order additional microprocessor options, contact your IBM reseller or IBM
marketing representative.
2. The server comes standard with one microprocessor installed in microprocessor
connector J34 (slot 1) on the system board, and a terminator card in
microprocessor slot 4. The microprocessor in slot 1 is the startup (boot)
microprocessor. The microprocessor installed in microprocessor connector J35
is microprocessor 2 (slot 2); the microprocessor installed in microprocessor
connector J36 is microprocessor 3 (slot 3); and the microprocessor installed in
microprocessor connector J37 is microprocessor 4 (slot 4). If more than one
microprocessor is installed, the highest numbered microprocessor is the
microprocessor from which the server will start. The lower numbered
microprocessors are used as application microprocessors.
3. If you replace the microprocessors in the server with microprocessors of a
different speed, be sure to set the microprocessor-core-frequency-selection
jumper block correctly, as described in this section. For a list of supported
microprocessor speeds, see http://www.ibm.com on the World Wide Web.
4. The server does not support replaceable voltage regulator modules (VRMs).
If you need to install additional microprocessors, install them in the following order:
v Slot 1 (first slot, connector J34)
v Slot 2 (second slot, connector J35)
v Slot 3 (third slot, connector J36)
v Slot 4 (fourth slot, connector J37)
Attention: The server comes with a terminator card installed in
microprocessor slot 4. To ensure proper server operation, the terminator card
must remain installed in microprocessor slot 4 until you have installed
microprocessors in slots 1 through 3.
66 IBM xSeries 350 Type 8682: Hardware Maintenance Manual