3.Reseat the remaining memory boards, rebooting after each installation to isolate any failed memory boards, if applicable.

4.Replace the DIMMs with a remaining bank of memory.

5.Replace the memory board, if applicable.

6.Replace the system board.

IMPORTANT: If replacing the system board or clearing NVRAM, you must re-enter the server serial number through RBSU ("Re-entering the server serial number and product ID" on page 57).

Expansion board-related port 85 codes

Expansion board-related port 85 codes display in the format 6xh.

IMPORTANT: Reboot the server after completing each numbered step. If the error condition continues, proceed with the next step.

To troubleshoot expansion board-related error codes:

1.Reseat all expansion boards.

2.Bring the server to base configuration by removing all components that are not required by the server to complete POST. This process can include removing all:

Expansion boards

Processors, except the processor installed in socket 1

IMPORTANT: Processor socket 1 and PPM slot 1 must be populated at all times or the server does not function properly.

PPMs, except the PPM installed in slot 1

DIMMs, except the first bank

Hard drives

Peripheral devices

3.Install the expansion boards one at a time, rebooting between each installation to isolate the failed expansion board.

4.Replace the failed expansion board, if applicable.

5.Replace the PCI riser board, if applicable.

6.Replace the system board.

IMPORTANT: If replacing the system board or clearing NVRAM, you must re-enter the server serial number through RBSU ("Re-entering the server serial number and product ID" on page 57).

Miscellaneous port 85 codes

To troubleshoot all other port 85 codes:

IMPORTANT: Reboot the server after completing each numbered step. If the error condition continues, proceed with the next step.

1.Bring the server to base configuration by removing all components that are not required by the server to complete POST. This process can include removing all:

Expansion boards

Processors, except the processor installed in socket 1

Error messages 133