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:\>

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>.

D:\>bupdater /oOLDBIOS1.rom

Filename Extension

The [filename] is any user-assigned filename with no more than eight alphanumeric characters for the filename and three alphanumeric characters for the extension.

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

BOARD: M5A99FX PRO R2.0

BOARD: Unknown

VER: 0204

VER: Unknown

DATE: 08/05/2010

DATE: Unknown

PATH: A:\

 

BIOS backup is done! Press any key to continue.

Note

Saving BIOS:

Chapter 3

ASUS M5A99FX PRO R2.0

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