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2-18 Chapter 2: Hardware information
Chapter 2
4. BIOS-FLBK switch
P8Z77-V LE
P8Z77-V LE BIOS_FLBK
BIOS_FLBK
The BIOS Flashback buttton offers the most convenient way to update the BIOS. It
allows overclockers to update new BIOS versions without having to enter their existing
BIOS or operating system. Just plug in a USB storage and press the BIOS Flashback
button for 3 seconds, and the BIOS is automatically ashed using standby power.
Hassle-free updating for the ultimate convenience!
1. Download the USB BIOS Flashback wizard from the ASUS service website (www.asus.
com). Save it to a USB portable disk, and place it in the root directory.
2. Plug the USB ash drive into the bottom port of ESATA6G_USB3_34 connector in back
I/O.
3. Press the USB 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.
6. BIOS update is complete once the light signal goes out.
• Do not unplug portable disk, power system, or press the CLR_CMOS button while BIOS
update is ongoing, otherwise update will be interrupted. In case of interruption, please
follow the recommended procedures again to complete BIOS update.
• If the light ashes for ve seconds and turns into a stable lighting, this means that the
USB BIOS Flashback is not operating properly. This may be caused by: 1. Improper
installation of the portable disk. 2.Error in le name or incompatibility in le format. If this
is the case, please restart the system to turn off the light.
• 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.