POST Beep Codes
POST also generates beep codes to indicate successful
completion or the detection of an error.
One beep and the startup of the operating system or
application program indicates successful completion
of POST.
More than one beep indicates that POST detected an
error.
Error Messages
Error messages indicate that a problem exists.
Hardware error messages that occur can be text, numeric,
or both. Messages generated by the software generally
are text messages, but they also can be numeric.
POST Error Messages and Beep Codes:
POST error messages and beep codes occur during
startup when POST finds a problem with the hardware or
detects a change in the hardware configuration. POST
error messages are 3-, 4-, 5-, 8-, or 12-character
alphanumeric messages and include brief explanations
(except I999XXXX errors). For a complete list of POST
beep codes, see “Symptom-to-FRU Index” on page 105.
SCSI Error Messages: These messages appear if
a problem or conflict is detected by the SCSI subsystem.
Refer to the SCSI documentation in the ServerGuide
package that comes with the server for information about
these messages.
Diagnostic Error Messages: Diagnostic error
messages occur when a test finds a problem with the
server hardware. The messages present text information
that can be used to identify a failing part. These error
messages are alphanumeric. Follow the instructions on
the screen.
Software-Generated Error Messages: These
messages occur if a problem or conflict is found by an
application program, the operating system, or both. Error
messages for operating-system and other software
problems are generally text messages, but they also can
be numeric messages. For information about these
software error messages, refer to the information that
comes with the operating system or application program,
or both.
Symptom-to-FRU Index
The Symptom-to-FRU Index lists beeps, errors, symptoms,
and the possible causes. The most likely cause is listed
first. Use the “Symptom-to-FRU Index” on page 105 to
help you decide which FRUs to have available when
servicing the computer.
8 IBM Netfinity Servers HMM
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