Asus M5A99X EVO R2.0 - Manual (Page 114)

3-42 Chapter 3: BIOS setup
Chapter 3
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:\>
2. The BIOS Updater backup screen appears indicating the BIOS backup process. When
BIOS backup is done, press any key to return to the DOS prompt.
ASUSTek BIOS Updater for DOS V1.30 [2012/12/22]
Current ROM Update ROM
Note
Saving BIOS:
PATH: A:\
BOARD: M5A99X EVO R2.0
VER: 0204
DATE: 08/05/2010
BOARD: Unknown
VER: Unknown
DATE: Unknown
BIOS backup is done! Press any key to continue.
D:\>bupdater /oOLDBIOS1.rom
Filename Extension
Backing up the current BIOS
To backup the current BIOS file using the BIOS Updater
Ensure that the USB flash drive is not write-protected and has enough free space to save
the file.
1. At the FreeDOS prompt, type bupdater /o[filename] and press <Enter>.
The [filename] is any user-assigned filename with no more than eight alphanumeric
characters for the filename and three alphanumeric characters for the extension.