v Memory modules: the minimum configuration requirement is 1 GB DIMM
per microprocessor (2 GB in a two-microprocessor configuration)
The following minimum configuration is required for the server to start:
v One microprocessor
v One 1 GB DIMM
v One power supply
v Power cord
v ServeRAID SAS adapter
v System board assembly
4. Turn on the server. If the problem remains, suspect the following components
in the following order:
a. Power supply
b. Power-supply cage
c. Memory
d. Microprocessor
e. System board
If the problem is solved when you remove an adapter from the server but the
problem recurs when you reinstall the same adapter, suspect the adapter; if the
problem recurs when you replace the adapter with a different one, suspect the
system board or extender card.
If you suspect a networking problem and the server passes all the system tests,
suspect a network cabling problem that is external to the server.
Event logs
Error codes and messages are displayed in the following types of event logs:
v POST event log: This log contains the three most recent error codes and
messages that were generated during the POST.
v System-event log: This log contains all the POST and system management
interrupt (SMI) events. You can view the system-event log through the Setup
Utility program and through the as the IPMI event log.
The system-event log is limited in size. When it is full, new entries will not
overwrite existing entries; therefore, you must periodically save and then clear
the system-event log through the Setup Utility program. When you are
troubleshooting, you might have to save and then clear the system-event log to
make the most recent events available for analysis.
Messages are listed on the left side of the screen, and details about the selected
message are displayed on the right side of the screen. To move from one entry
to the next, use the Up Arrow (↑) and Down Arrow (↓) keys.
Viewing event logs without restarting the server
If the server is not hung, methods are available for you to view one or more event
logs without restarting the server.
If IPMItool is installed in the server, you can use it to view the system-event log.
Most recent versions of the Linux operating system come with a current version of
IPMItool.
The following table describes the methods that you can use to view the event logs,
depending on the condition of the server. The first two conditions generally do not
require that you restart the server.
Chapter 7. Troubleshooting 103
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