Troubleshooting 82
Memory count error exists
Possible Cause: The memory modules are not installed correctly.
Action:
1. Be sure the memory modules are supported by the server. See the server documentation.
2. Be sure the memory modules have been installed correctly in a supported configuration. See the
server documentation.
3. Be sure the memory modules are seated properly ("DIMM handling guidelines" on page 59).
4. Be sure no operating system errors are indicated.
5. Restart the server and check to see if the error message is still displayed.
6. Run HP Insight Diagnostics (on page 48). Then, replace failed components as indicated.
Server fails to recognize existing memory
Action:
1. Reseat the memory. Use care when handling DIMMs ("DIMM handling guidelines" on page 59).
2. Be sure the memory is configured properly. See the server documentation.
3. Be sure a memory count error did not occur ("Memory count error exists" on page 82). See the
message displaying memory count during POST.
Server fails to recognize new memory
Action:
1. Be sure the memory is the correct type for the server and is installed according to the server
requirements. Refer to the server documentation or HP website (http://www.hp.com
).
2. Be sure you have not exceeded the memory limits of the server or operating system. Refer to the
server documentation.
3. Be sure the memory is properly seated.
4. Be sure no conflicts are occurring with existing memory. Run the server setup utility.
5. Test the memory by installing the memory into a known working server. Be sure the memory meets
the requirements of the new server on which you are testing the memory.
6. Replace the memory. Refer to the server documentation.
PPM problems
Action: If the PPMs are not integrated on the system board:
CAUTION: Do not operate the server for long periods with the access panel open or
removed. Operating the server in this manner results in improper airflow and improper
cooling that can lead to thermal damage.
1. If applicable, check the PPM LEDs to identify if a PPM failure occurred. For information on LEDs, refer
to the server documentation.
2. Reseat each PPM, and then restart the server.
3. If reseating the PPMs is not effective, remove all but one PPM, restart the server to see if the PPM is
working, and then install each PPM individually, cycling power each time. Follow the warnings and
cautionary information in the server documentation.
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