ASUS SABERTOOTH Z97 MARK S User Manual

ASUS SABERTOOTH Z97 MARK S

2-11

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Do not unplug portable disk, power system, or use the CLR_CMOS jumper while

BIOS update is ongoing, otherwise update will be interrupted. In case of interruption, 

please follow the steps again.

•

If the light flashes for five 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 filename/file 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 process 

and results to the system’s failure to boot up, please contact your local ASUS Service 

Center.

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.

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.

2. 

Insert the USB storage device to the USB Flashback port.

•

We recommend you to use a USB 2.0 storage device to save the latest BIOS version

for better compatibility and stability. 

•

Ensure to use the BIOS file with the filename Z97STS.CAP. Refer to the BIOS setup

section for more information.

3. 

Launch the USB BIOS Flashback Wizard to automatically download the latest BIOS 

version.

4.

Press the BIOS Flashback button for three seconds until a flashing 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 Updating BIOS in 

Chapter 3.