Removal and replacement procedures 69
18.
Remove the system board.
19. Remove the I/O fan bracket ("I/O fan bracket" on page 69).
IMPORTANT: If replacing the system board or clearing NVRAM, you must re-enter the server
serial number through RBSU.
To replace the component, reverse the removal procedure.
After you replace the system board, you must re-enter the server serial number and the product ID.
1. During the server startup sequence, press the F9 key to access RBSU.
2. Select the System Options menu.
3. Select Serial Number. The following warning is displayed:
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.
4. Press the Enter key to clear the warning.
5. Enter the serial number and press the Enter key.
6. Select Product ID.
7. Enter the product ID and press the Enter key.
8. Press the Esc key to close the menu.
9. Press the Esc key to exit RBSU.
10. Press the F10 key to confirm exiting RBSU. The server will automatically reboot.
I/O fan bracket
These procedures apply to both the 6- and 12-fan configurations. If necessary, configuration-specific
illustrations are provided.
To remove the component:
1. Power down the server (on page 30).
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