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Removal and replacement procedures 53
Re-entering the server serial number
After replacing the system board or clearing the NVRAM, re-enter the server serial number.
1. To access RBSU, press the F9 key when prompted during POST.
2. Select the System Options menu.
3. Select Serial Number. The following warning appears:
WARNING! WARNING! WARNING! The serial number is loaded into the system during the
manufacturing process and should NOT be modified. This option should ONLY be used
by qualified service personnel. This value should always match the serial number
sticker located on the chassis.
Press the Enter key to clear the warning.
4. Enter the serial number, and press the Enter key.
5. Press the Escape key to close the menu.
6. Press the Escape key to exit RBSU.
7. Press the F10 key to confirm exiting RBSU. The server automatically reboots.