Asus M2N-LR/SATA - Manual (Page 56)

ASUS M2N-LR Series 4-3
The utility returns to the DOS prompt after copying the current BIOS file.
3. Press <Enter>. 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. Copy the AFUDOS utility (afudos.exe) from the motherboard support CD to
the bootable floppy disk you created earlier.
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 (www.asus.com) and download the latest BIOS file for
the motherboard. Save the BIOS file to a bootable floppy disk.
A:\>afudos /iM2N-LR.ROM
Write the BIOS filename on a piece of paper. You need to type the exact BIOS
filename at the DOS prompt.