Asus P4P8X - Manual (Page 46)

2-6 Chapter 2: BIOS information
The recovered BIOS may not be the latest BIOS version for this motherboard.
Visit the ASUS website (www.asus.com) to download the latest BIOS file.
If there is no floppy disk found in the drive, the system automatically checks the
CD-ROM.
To recover the BIOS from the support CD:
1. Boot the system.
2. When a corrupted BIOS is detected, the following screen message appears.
Bad BIOS checksum. Starting BIOS recovery...
Checking for floppy...
3. Place the support CD in the CD-ROM. The support CD contains the
original BIOS for this motherboard.
DO NOT shutdown or reset the system while updating the BIOS! Doing so may
cause system boot failure!
4. When the BIOS update process is complete, reboot the system.
Bad BIOS checksum. Starting BIOS recovery...
Checking for floppy...
Floppy not found!
Checking for CD-ROM...
CD-ROM found.
Reading file “p4p8x.rom”. Completed.
Start flashing...