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Chapter 2: Basic installation
Chapter 2
2.2 BIOS update utility
2.2.1 USB BIOS Flashback
USB BIOS Flashback allows you to easily update the BIOS without entering the existing
BIOS or operating system. Simply insert a USB storage device to the USB port, press the
USB BIOS Flashback button for three seconds, and the BIOS is updated automatically.
To use USB BIOS Flashback:
1. Place the bundled support DVD to the optical drive and install the USB BIOS
Flashback Wizard. Follow the onscreen instructions to complete the installation.
You can also download the BIOS from the ASUS ofcial website (www.asus.com). Rename
the le as M5A97E20.CAP, save it to a USB portable device, and place it in the root
directory.
2. Insert the USB storage device to the USB BIOS Flashback port.
3. Launch the USB BIOS Flashback Wizard to automatically download the latest BIOS
version.
4. Press the USB BIOS Flashback button for three seconds until a ashing light appears,
which indicates that the BIOS Flashback function is enabled.
5. Wait until the light goes out, indicating that the BIOS updating process is completed.
For more BIOS update utilities in BIOS setup, refer to the section 3.10 Updating BIOS.
• 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 steps again.
• If the light ashes for ve seconds and turns into a solid light, this means that theIf the light ashes for ve seconds and turns into a solid light, this means that the
BIOS Flashback is not operating properly. This may be caused by improper installation
of the USB storage device and lename/le format error. If this scenario happens,
please restart the system to turn off the light.
• Updating BIOS may have risks. If the BIOS program is damaged during the processUpdating BIOS may have risks. If the BIOS program is damaged during the process
and results to the system’s failure to boot up, please contact your local ASUS Service
Center.
USB BIOS Flashback port