Asus M3N78 SE - Manual (Page 40)

2-2 Chapter 2: BIOS information
Main filename Extension name
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 not more than eight alphanumeric
characters for the main filename and three alphanumeric characters for the extension
name.
A:\>afudos /oOLDBIOS1.rom
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:\>
2.1.2 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.
Copying the current BIOS
To copy the current BIOS file using the AFUDOS utility:
• Ensure that the floppy disk is not write-protected and has at least 1024KB 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.
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.
Write the BIOS filename on a piece of paper. You need to type the exact BIOS filename at
the DOS prompt.
2. Copy the AFUDOS utility (afudos.exe) from the motherboard Support DVD to the
bootable floppy disk you created earlier.