Troubleshooting 8-11

No screen display appears with beep:

→Check whether DIMMs are connected to the mating connectors firmly.

→Check whether DIMMs of different specifications are installed in the specific bank. See Chapter 9 for the specifications of DIMMs.

→DIMMs must be populated in pairs and in the following order: #5 and #6, #3 and #4, then #1 and #2.

→Installed DIMMs must be the same speed and must all be registered.

→Take a note of beep code pattern, and take appropriate action according to the table listed earlier in "Beep Codes".

POST fails to complete:

Is the DIMM board installed?

→At least two DIMM boards are required for operation.

→DIMMs must be populated in pairs and in the following order: #5 and #6, #3 and #4, then #1 and #2.

→Installed DIMMs must be the same speed and must all be registered. Is the memory size large?

→The memory check may take a few seconds if the memory size is large. Wait for a while.

Did you perform any keyboard or mouse operation immediately after you started the server?

→If you perform any keyboard or mouse operation immediately after start-up, POST may accidentally detect a keyboard controller error and stops proceeding. In such a case, restart the server once again. Do not perform any keyboard or mouse operation until the BIOS start-up message appears when you restart the server.

Does the server have contains appropriate memory boards or PCI devices?

→Operation of the server with unauthorized devices is not guaranteed.