HP ProLiant DL785 G5 and G6 Servers - Maintenance and Service Guide, Seventh Edition

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” (page 42)
• “Processors” (page 30)
IMPORTANT: The server requires a minimum of processor memory cells 1, 2, 7, 8 and
the cell filler populated with the minimum number of processors and DIMMs at all
times or the server does not function properly.
• “DIMMs” (page 36)
• “SAS hard drives” (page 37)
• 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 midplane board.
IMPORTANT: If replacing the SPI board or clearing NVRAM, you must re-enter the server
serial number through RBSU, see “Re-entering the server serial number and product ID”
(page 48).
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” (page 42)
• “Processors” (page 30)
IMPORTANT: The server requires a minimum of processor memory cells 1, 2, 7, 8 and
the cell filler populated with the minimum number of processors and DIMMs at all
times or the server does not function properly.
• “DIMMs” (page 36)
• “SAS hard drives” (page 37)
• Peripheral devices
2. Install each remaining system component, rebooting between each installation to isolate
any failed components.
3. Clear the system NVRAM.
4. Replace the midplane board.
IMPORTANT: If replacing the SPI board or clearing NVRAM, you must re-enter the server serial
number through RBSU, see “Re-entering the server serial number and product ID” (page 48).
Troubleshooting the system using port 85 codes 59