AFUDOS utility Asus prime Asus M3A78-EH

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AFUDOS utility

The AFUDOS utility allows you to update the BIOS file in DOS environment using 

a bootable floppy disk with the updated BIOS file. This utility also allows you to 

copy the current BIOS file that you can use as backup when the BIOS fails or gets 

corrupted during the updating process.



 Vista environment

a.  Insert a formatted, high density 1.44 MB floppy disk to the floppy disk 


b.  Click 

 from the Windows


 desktop, then select Computer.

c.  Right-click 

Floppy Disk Drive then click Format to display the Format 3 

1/2 Floppy dialog box.

d.  Select the 

Create an MS-DOS startup disk check box.

e.   Click 


2.  Copy the original or the latest motherboard BIOS file to the bootable floppy 


•  Ensure that the floppy disk is not write-protected and has at least 1.2 MB 

free space to save the file.

•  The succeeding BIOS screens are for reference only. The actual BIOS 

screen displays may not be same as shown.

Copying the current BIOS

To copy the current BIOS file using the AFUDOS utility: