Asus M3A78-EM - Manual (Page 56)

2-4 Chapter 2: BIOS setup
The utility returns to the DOS prompt after copying the current BIOS file.
3. Press . The utility copies the current BIOS file to the floppy disk.
A:\>afudos /oOLDBIOS1.rom
AMI Firmware Update Utility - Version 1.19 (ASUS V2.07(03.11.24BB))
Copyright (C) 2002 American Megatrends, Inc. All rights reserved.
Reading flash ..... done
Write to file...... ok
A:\>
1. Copy the AFUDOS utility (afudos.exe) from the motherboard Support DVD to
the bootable floppy disk you created earlier.
2. Boot the system in DOS mode, then at the prompt type:
afudos /o[filename]
where the [filename] is any user-assigned filename no more than eight
alphanumeric characters for the main filename and three alphanumeric
characters for the extension name.
Main filename Extension.name
A:\>afudos /oOLDBIOS1.rom
2. Copy the AFUDOS utility (afudos.exe) from the motherboard Support DVD to
the bootable floppy disk you created earlier or a USB flash disk.
3. Boot the system in DOS mode, then at the prompt type:
afudos /i[filename]
where [filename] is the latest or the original BIOS file on the bootable floppy
disk.
Updating the BIOS file
To update the BIOS file using the AFUDOS utility:
1. Visit the ASUS website at www.asus.com and download the latest BIOS file
for the motherboard. Save the BIOS file to a bootable floppy disk.
A:\>afudos /iM3A78EM.rom
Write the BIOS filename on a piece of paper. You need to type the exact BIOS
filename at the DOS prompt.