Asus SABERTOOTH X79 - Manual (Page 61)

ASUS SABERTOOTH X79 2-43
Chapter 2
Updating BIOS may have risks. If the BIOS program is damaged during the process
causing the system unable to reboot, please contact the local service station for help.
2.3.13 USB BIOS Flashback
1. Download the BIOS ROM file from the ASUS service website (www.asus.com) and
rename the ROM file to SABERX79.ROM. Save the ROM file to a USB portable disk.
2. On the rear I/O port, plug the USB disk to the USB port with the WHITE interior. (See
rectangle box in the image below)
3. Press the BIOS Flashback button for 3 seconds, and the light will begin to flash (on the
third second).
4. The BIOS Flashback function is enabled once the light starts to flash.
5. The flashing rate of the light signal accelerates along with the updating speed.
6. The BIOS update completes when the flashing light stops.