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ASUS P4C800-E Deluxe motherboard user guide
4-3
4.1.3 Using ASUS EZ Flash to update the BIOS
The ASUS EZ Flash feature allows you to easily update the BIOS without
having to go through the long process of booting from a diskette and using
a DOS-based utility. The EZ Flash is built-in the BIOS firmware so it is
accessible by simply pressing <Alt> + <F2> during the Power-On Self
Tests (POST).
To update the BIOS using ASUS EZ Flash:
1. Visit the ASUS website (www.asus.com) to download the latest BIOS
file for your motherboard and rename it to P4C800ED.ROM. Save the
BIOS file to a floppy disk.
2. Reboot the system.
3. To launch EZ Flash, press <Alt> + <F2> during POST to display the
following.
4. Insert the floppy disk that contains the BIOS file. If the P4C800ED.ROM
file is found in the floppy disk, EZ Flash performs the BIOS update
process and automatically reboots the system when done.
DO NOT shutdown or reset the system while updating the BIOS! Doing
so may cause system boot failure!
User recovery requested. Starting BIOS recovery...
Checking for floppy...
Floppy found!
Reading file “P4C800ED.rom”. Completed.
Start flashing...
Flashed successfully. Rebooting.
User recovery requested. Starting BIOS recovery...
Checking for floppy...
If there is no floppy disk found in the drive, the error message “Floppy
not found!” appears.
If the correct BIOS file is not found in the floppy disk, the error
message “P4C800ED.ROM not found!”