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ASUS P4P800S-X motherboard
2-3
The BIOS information on the screen is for reference only. What you see on your
screen may not be exactly the same as shown.
DO NOT shutdown or reset the system while updating the BIOS! Doing so may
cause system boot failure!
2.1.2 Using AFUDOS to update the BIOS
To update the BIOS using the AFUDOS.EXE utility:
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.
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.
5. Press <Enter>. The succeeding screen displays the status of the update
process.
Write the BIOS file name on a piece of paper. You need to type the exact BIOS
file name at the prompt.
A:\>afudos /iP4P800SX.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%)
c. Click Start, then select Run.
d. From the Open box, type
D:\bootdisk\makeboot a: then press <Enter>,
assuming that D: is your CD-ROM drive.
e. Follow succeeding screen instructions.
2. Copy the original (or the latest) motherboard BIOS to the bootable floppy disk.