2.USB BIOS Flashback button

USB BIOS Flashback button allows you to easily update the BIOS without entering the BIOS or operating system. Just connect the USB storage USB device containing the

BIOS file to the USB port, press the BIOS Flashback button, and the BIOS is updated automatically.

For more details about the USB BIOS Flashback button, refer to section 2.2.1 USB BIOS Flashback.

3.EPU switch

This switch allows you to enable or disable the EPU function.

The EPU LED (O2LED3) near the EPU switch lights when the switch setting is enabled. Refer to section 1.2.8 Onboard LEDs for the exact location of the EPU LED.

If you change the switch setting to Enable under the OS environment, the EPU function will be activated after the next system bootup.

You may change the EPU settings in the software application or BIOS setup program, and enable the EPU function at the same time. However, the system will use the last setting you have made.

Chapter 1

ASUS M5A99X EVO R2.0

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