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1. Download the BIOS Flashback program le from the ASUS service website
(www.asus.com). Save the program le to a USB portable disk.
2. On the rear I/O port, plug the USB disk to USB port 1 with the WHITE interior.
(See red 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 Flashback function is enabled once the light starts to ash.
5. The ashing rate of the light signal accelerates along with the updating
speed.
2.3.11 USB BIOS Flashback
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.
ASUS P9X79 WS 2-49