POST
When you turn on the server, it performs a series of tests to check the operation of
server components and some of the options that are installed in the blade server.
This series of tests is called the power-on self-test, or POST.
If POST finishes without detecting any problems, a single beep sounds, and the first
screen of the operating system or application program appears.
POST error logs
If POST detects a problem, more than one beep sounds, and an error message
appears on the screen. See “Beep symptoms” on page 65 and “POST error codes”
on page 71 for more information.
Notes:
1. If you have a power-on password set, you must type the password and press
Enter, when prompted, before POST will continue.
2. A single problem might cause several error messages. When this occurs, work
to correct the cause of the first error message. After you correct the cause of
the first error message, the other error messages usually will not occur the next
time you run the test.
The POST error log contains the three most recent error codes and messages that
the system generated during POST. The system-error log refers you to the
management module log, which can be accessed through the BladeCenter unit.
Viewing error logs from the Configuration/Setup Utility program
Start the Configuration/Setup Utility program; then, select
Error Logs
from the main
menu. See “Using the Configuration/Setup Utility program” on page 14 for more
information.
Diagnostic programs and error messages
The server diagnostic programs are stored in ROM on the system board. These
programs are the primary method of testing the major components of the server.
Diagnostic error messages indicate that a problem exists; they are not intended to
be used to identify a failing part. Troubleshooting and servicing of complex
problems that are indicated by error messages should be performed by trained
service personnel.
Sometimes the first error to occur causes additional errors. In this case, the blade
server displays more than one error message. Always follow the suggested action
instructions for the
first
error message that appears.
Error codes that might be displayed are listed at “Diagnostic error codes” on page
68.
The diagnostic text message format is as follows:
Chapter 4. Diagnostics
21
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