The BIOS support the boot block to re-flash the main BIOS image when the BIOS is be 
corrupted and cannot boot to the EFI Shell or operating system to perform a 
standard update. User can jump the recovery jumper to process recovery function. 
 
Step by step :   
1. Copy AMIB.ROM to USB key. 
2. Power off the server and jump the recovery jumper to PIN 2-3 
3. Insert the USB key to the server. 
4. Power on the server and wait system into recovery mode in setup menu. 
5. Select Proceed with flash update and Enter to start flash update. 