2.1.1 Creating a bootable floppy disk Asus prime Asus M3A78

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Chapter 2: BIOS setup


Managing and updating your BIOS

The following utilities allow you to manage and update the motherboard Basic 

Input/Output System (BIOS) setup.
1.  ASUS AFUDOS: Updates the BIOS in DOS mode using a bootable floppy 


2.  ASUS CrashFree BIOS 3: Updates the BIOS using a bootable floppy disk, a 

USB flash disk or the motherboard Support DVD when the BIOS file fails or 

gets corrupted.

3.  ASUS EZ Flash 2: Updates the BIOS using a floppy disk or a USB flash disk 

during POST.

4.  ASUS Update: Updates the BIOS in Windows



Refer to the corresponding sections for details on these utilities.


Creating a bootable floppy disk

1.  Do any of the following to create a bootable floppy disk.

DOS environment

a.  Insert a 1.44MB floppy disk into the drive.

b.  At the DOS prompt, type format A:/S then press <Enter>.



 XP environment

a.  Insert a 1.44 MB floppy disk to the floppy disk drive. 

b.  Click Start from the Windows


 desktop, then select My Computer.

c.  Select the 

3 1/2 Floppy Drive icon.

d.  Click 

File from the menu, then select Format. A Format 3 1/2 Floppy 

Disk window appears.

e.  Select 

Create an MS-DOS startup disk from the format options field, 

then click Start.

Save a copy of the original motherboard BIOS file to a bootable floppy disk in 

case you need to restore the BIOS in the future. Copy the original motherboard 

BIOS using the ASUS Update or AFUDOS utilities.