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ASUS P9X79 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.
2.3.10 USB BIOS Flashback
1. Download the BIOS ROM le from the ASUS service website (www.asus.com). Save the
ROM le 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 ash (on the
third second).
4. The BIOS Flashback function is enabled once the light starts to ash.
5. The ashing rate of the light signal accelerates along with the updating speed.
6. When the ashing light stop, the BIOS updating has been complete.