Asus A55BM-E/BR - Manual (Page 34)

2-4 Chapter 2: Getting started
3. Select the USB flash drive as the boot device. The DOS screen appears.
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.
Booting the system in DOS environment
1. Insert the DOS-bootable USB flash drive with the latest BIOS file and BIOS Updater to
your computer’s USB port.
2. Boot your computer. When the ASUS Logo appears, press <F8> to show the BIOS
Boot Device Select Menu.