Asus 990FX R20, SABERTOOTH990FXGEN3 Booting the system in DOS environment, Updating the Bios file

Booting the system in DOS environment

1.Insert the USB flash drive with the latest BIOS file and BIOS Updater to the USB port.

2.Boot your computer. When the ASUS Logo appears, press <F8> to show the BIOS Boot Device Select Menu. Insert the support DVD into the optical drive and select the optical drive as the boot device.

Please select boot device:

SATA: XXXXXXXXXXXXXXXX

USB XXXXXXXXXXXXXXXXX

UEFI: XXXXXXXXXXXXXXXX

Enter Setup

↑and ↓ to move selection ENTER to select boot device ESC to boot using defaults

3.When the Make Disk menu appears, select the FreeDOS command prompt item by pressing the item number.

4.At the FreeDOS prompt, type d: and press <Enter> to switch the disk from Drive C

(optical drive) to Drive D (USB flash drive).

Welcome to FreeDOS (http://www.freedos.org)!

C:\>d:

D:\>

Updating the BIOS file

To update the BIOS file using BIOS Updater:

1.At the FreeDOS prompt, type bupdater /pc /g and press <Enter>.

D:\>bupdater /pc /g

Chapter 3

3-46 Chapter 3: BIOS setup