IBM 8681 Hardware Maintenance Manual - Page 17

POST beep codes, Error messages, System-monitoring messages

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If you have a power-on password or administrator password set, you must type the password and press Enter before POST will continue. While the memory is being tested, the amount of available memory appears on the screen. These numbers advance as the server progresses through POST and the final number that appears on the screen represents the total amount of memory available. If POST finishes without detecting any problems, a single beep sounds and the first screen of your operating system or application program appears. If POST detects a problem, more than one beep sounds, or an error message appears on your screen. Note A single problem might cause several error messages. When this occurs, work to correct the cause of the first error message. After the cause of the first error message is corrected, the other error messages usually will not occur the next time you run the test. POST beep codes: POST generates beep codes to indicate successful completion or the detection of a problem. One beep indicates the successful completion of POST. No beep indicates that a unrecoverable error occurred during POST. More than one beep indicates that POST detected a problem. For more information, see "Beep symptoms" on page 167. Error messages: 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 indicated by error messages should be performed by trained service personnel. Hardware error messages that occur can be text, numeric, or both. Messages generated by your software generally are text messages, but they also can be numeric. POST error messages: POST error messages occur during startup when POST finds a problem with the hardware or detects a change in the hardware configuration. For more information, see "Viewing the test log" on page 14. System-monitoring messages: System-monitoring messages occur as the Advanced System Management PCI Adapter monitors critical system functions. Netfinity 8500R - Type 8681 9

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If you have a power-on password or administrator
password set, you must type the password and press
Enter
before POST will continue.
While the memory is being tested, the amount of available
memory appears on the screen.
These numbers advance
as the server progresses through POST and the final
number that appears on the screen represents the total
amount of memory available.
If POST finishes without
detecting any problems, a single beep sounds and the first
screen of your operating system or application program
appears.
If POST detects a problem, more than one beep sounds,
or an error message appears on your screen.
Note
A single problem might cause several error messages.
When this occurs, work to correct the cause of the first
error message.
After the cause of the first error
message is corrected, the other error messages
usually will not occur the next time you run the test.
POST beep codes:
POST generates beep codes to
indicate successful completion or the detection of a
problem.
±
One beep indicates the successful completion of
POST.
±
No beep indicates that a unrecoverable error occurred
during POST.
±
More than one beep indicates that POST detected a
problem.
For more information, see “Beep
symptoms” on page
167.
Error messages:
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 indicated by error messages should be
performed by trained service personnel.
Hardware error messages that occur can be text, numeric,
or both.
Messages generated by your software generally
are text messages, but they also can be numeric.
POST error messages:
POST error messages
occur during startup when POST finds a problem with the
hardware or detects a change in the hardware
configuration.
For more information, see “Viewing the test
log” on page
14.
System-monitoring messages:
System-monitoring messages occur as the Advanced
System Management PCI Adapter monitors critical system
functions.
Netfinity 8500R - Type 8681
9