Asus B85M-F User Manual page 32

Booting the system to a 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.
3. At the FreeDOS prompt, type d: and press <Enter> to switch the disk from Drive C
(optical drive) to Drive D (USB flash drive).
Updating the BIOS file
To update the BIOS file using BIOS Updater:
1. At the FreeDOS prompt, type bupdater /pc /g and press <Enter>.
2. The BIOS Updater screen appears as below.
2-4
ASUSTek BIOS Updater for DOS V1.30
B85M-F
0305
03/05/2014
B85M-F-ASUS-0305.CAP 8194 2014-03-05 15:25:48
Chapter 2: Getting started