Asus H81-M2 User Manual page 33

Booting the system to a DOS environment
1. Insert the DOS-bootable USB flash drive with the latest BIOS file and BIOS Updater to
your computer's USB port.
Boot your computer. When the ASUS Logo appears, press <F8> to show the BIOS
2.
Boot Device Select Menu.
3. Select the optical drive as the boot device. The DOS screen appears.
Updating the BIOS file
To update the BIOS file using BIOS Updater:
At the FreeDOS prompt, type bupdater /pc /g and press <Enter>.
1.
2. The BIOS Updater screen appears as below.
2-4
ASUSTek BIOS Updater for DOS V1.30
H81M2
0208
09/02/2013
H81M2.CAP 8390656 2013-09-02 15:25:48
Chapter 2: Getting started