ProLiant DL580 Generation 5 Maintenance and Service Guide

Diagnostic tools 67
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:
o Expansion boards ("Non-hot-plug expansion boards" on page 47)
o Processors ("Processor assembly" on page 34), 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.
o PPMs ("PPM" on page 38), except the PPM installed in slot 1
o DIMMs ("FBDIMMs" on page 38), except the first bank
o Hard drives ("Hard drive" on page 31)
o Peripheral devices
2. Install each remaining system component, rebooting between each installation to isolate any failed
components.
3. Clear the system NVRAM ("System maintenance switch" on page 75).
4. 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).
Troubleshooting Guide
For troubleshooting information, see the HP ProLiant DL580 Generation 5 User Guide or the ProLiant
Servers Troubleshooting Guide on the HP website (http://www.hp.com
).