Diagnostic tools 71
•
DIMMs ("Removing DIMMs" on page 63), except the first bank
• Hard drives ("Removing a hot-plug SAS hard drive" on page 51)
• 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 81).
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 45).