IBM 8646 Hardware Maintenance Manual - Page 69

Installing and removing a microprocessor, Attention, Save Settings, Advanced Setup, Memory Settings

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Attention: When you restart the server, the system displays a message indicating that the memory configuration has changed. v If you installed additional memory, start the Configuration/Setup Utility program and select Save Settings. v If you just replaced a failed DIMM, you must start the Configuration/Setup Utility program, select Advanced Setup, select Memory Settings, highlight the connector or bank of connectors that you want to enable, then select Enable. v In some memory configurations, the 3-3-3 beep code might sound during POST followed by a blank screen. If this occurs, you must restart the server three times to force the system BIOS to reset the memory connector or bank of connectors from Disabled to Enabled. Installing and removing a microprocessor The server comes with one microprocessor, which is installed on the system board. If you install an additional microprocessor kit, the 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 the server is available through the World Wide Web. 2. Obtain an SMP-capable operating system (optional). For a list of supported operating systems, see http://www.ibm.com/pc/compat/ on the World Wide Web. 3. The server comes with one microprocessor, which is installed in microprocessor connector (U12) (the microprocessor connector that is furthest from the power supply). This is the startup (boot) microprocessor. If you install a microprocessor in microprocessor connector (U11), that one becomes the startup microprocessor, and the microprocessor that is installed in microprocessor connector (U12) is the application microprocessor. You must also install a VRM when you install a microprocessor. 4. When you are installing a microprocessor, you must also install a fan sink and connect the fan-sink power cable to the system board. 5. The illustrations in this document might differ slightly from your server. 6. If necessary, see "System board options connectors" on page 40 for connector locations. Installing options 61

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Attention:
When you restart the server, the system displays a message indicating
that the memory configuration has changed.
v
If you installed additional memory, start the Configuration/Setup Utility
program and select
Save Settings
.
v
If you just replaced a failed DIMM, you must start the Configuration/Setup
Utility program, select
Advanced Setup
, select
Memory Settings
, highlight the
connector or bank of connectors that you want to enable, then select
Enable
.
v
In some memory configurations, the 3-3-3 beep code might sound during POST
followed by a blank screen. If this occurs, you must restart the server three times
to force the system BIOS to reset the memory connector or bank of connectors
from Disabled to Enabled.
Installing and removing a microprocessor
The server comes with one microprocessor, which is installed on the system board.
If you install an additional microprocessor kit, the 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 the server is available through the World Wide Web.
2.
Obtain an SMP-capable operating system (optional). For a list of supported
operating systems, see http://www.ibm.com/pc/compat/ on the World Wide
Web.
3.
The server comes with one microprocessor, which is installed in microprocessor
connector (U12) (the microprocessor connector that is furthest from the power
supply). This is the startup (boot) microprocessor. If you install a
microprocessor in microprocessor connector (U11), that one becomes the startup
microprocessor, and the microprocessor that is installed in microprocessor
connector (U12) is the application microprocessor. You must also install a VRM
when you install a microprocessor.
4.
When you are installing a microprocessor, you must also install a fan sink and
connect the fan-sink power cable to the system board.
5.
The illustrations in this document might differ slightly from your server.
6.
If necessary, see
“
System board options connectors
”
on page 40 for connector
locations.
Installing options
61