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ASUS P4P800S SE motherboard user guide
2-5
2.1.4 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 the downloaded file as P4P800SS.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 all the necessary files are
found in the floppy disk, EZ Flash performs the BIOS update process and
automatically reboots the system when done.
User recovery requested. Starting BIOS recovery...
Checking for floppy...
Floppy found!
Reading file “P4P800SS.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 “P4P800SS.ROM not found!” is displayed. Make sure to
rename the downloaded BIOS file as “P4P800SS.ROM”.
DO NOT shutdown or reset the system while updating the BIOS! Doing so may
cause system boot failure!
If the Checksum error message appears, load the setup default in the BIOS.