Server Utilities
Intel® Workstation Board S5520SC Service Guide 29
✏
NOTE
You may encounter a CMOS Checksum error or other problem after reboot. If this happens, shut down the system
and boot it again. CMOS checksum errors require that you enter Setup, check your settings, save your settings, and
exit Setup.
Recovering the BIOS
In the rare event the BIOS becomes damaged, you must complete the recovery process to return the system to service. To
place the baseboard into recovery mode, move the BIOS Recover jumper (J1E5) located on the baseboard next to the
recovery position. The BIOS is then able to execute the recovery instead of the normal BIOS.
✏
NOTE
The BIOS recovery is the mode of last resort—use it only when the main system BIOS will not come up.
BIOS Recovery Procedure
1. Download the BIOS image file to a temporary folder on your hard drive. See “Additional Information and Software” for
a link to the update software.
2. Copy all the files in the BIOS recovery package to the root directory of a USB disk-on-key device.
3. Power off the system.
4. Switch the BIOS recovery jumper (J1E5) to the “enabled” position (ping 2-3).
Figure 8. BIOS Recover Jumper
5. Insert the recovery media and confirm all the recovery files in the media.
6. Power on the system.
7. The BIOS POST screen will appear displaying the progress, and the system automatically boots to the EFI SHELL.
8. Startup.nsh file will execute automatically and initiate the BIOS update with the recovery BIOS capsule file. Once the
recovery process is complete, the message, “BIOS has been updated successfully” displays.
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