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4.1.2 Using AFUDOS to update the BIOS
Update the BIOS using the AFUDOS.EXE utility in DOS environment.
1. Visit the ASUS website (www.asus.com) to download the latest BIOS
file for your motherboard. Save the BIOS file to a bootable floppy disk.
Write down the BIOS file name to a piece of paper. You need to type the exact
BIOS file name at the prompt.
2. Copy the AFUDOS.EXE utility from the support CD to the bootable
floppy disk that contains the BIOS file.
3. Boot the system from the floppy disk.
4. At the DOS prompt, type the command line:
afudos /i<filename>
where "filename" means the latest (or original) BIOS file that you
copied to the bootable floppy disk.
The screen displays the status of the update process.
A:\>afudos /iP4P800SE.rom
AMI Firmware Update Utility - Version 1.10
Copyright (C) 2002 American Megatrends, Inc. All rights reserved.
Reading file ..... done
Erasing flash .... done
Writing flash .... 0x0008CC00 (9%)
DO NOT shutdown or reset the system while updating the BIOS! Doing so may
cause system boot failure!
When the BIOS update process is complete, the utility returns to the
DOS prompt.
A:\>afudos /iP4P800SE.rom
AMI Firmware Update Utility - Version 1.10
Copyright (C) 2002 American Megatrends, Inc. All rights reserved.
Reading file ..... done
Erasing flash .... done
Writing flash .... 0x0008CC00 (9%)
Verifying flash .. done
A:\>
5. Reboot the system from the hard disk.
4-2
Chapter 4: BIOS information
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