Crashfree Bios 2 Feature - Asus P4SDX User Manual

If you encounter problems while updating the new BIOS, DO NOT turn off the
system because this may cause boot problems. Just repeat the process, and if
the problem persists, load the original BIOS file you saved to the boot disk. If
the Flash Memory Writer utility is not able to successfully update a complete
BIOS file, the system may not boot. If this happens, call the ASUS service
center for support.
2.1.3 CrashFree BIOS 2 (
The CrashFree BIOS 2 feature allows users to boot the computer from a floppy
disk and update the BIOS using AFLASH.EXE or EZ Flash Utility in case the
original BIOS fails or gets corrupted. If the user doesn't have a bootable floppy disk
with the original BIOS, an auto-recovery procedure can be performed using the
support CD.
It is strongly recommended to save a copy of the motherboard's original BIOS
along with the AFLASH.EXE utility to a bootable disk.(See section 2.1.2 to create a
bootable floppy disk)
Using the support CD
1. Boot using the support CD. The support CD will automatically detect whether
the BIOS is corrupted.
2. If the BIOS data or codes are corrupted, the message "The BIOS was
corrupted! Do you want to recover?", appears.
3. Press "Y", to start auto-recovery procedure. If there is no keyboard input from
user, the system will perform BIOS auto recovery after 30 seconds.
The recovered BIOS may not have the same version as original BIOS. Visit
ASUS website (www.asus.com) to download the latest BIOS for this
motherboard and update BIOS using ASUS AFLASH.EXE, ASUS EZ Flash
Utility or ASUS Live Update.
Using the created bootable floppy disk
1. Boot using the bootable floppy disk.
2. Execute AFLASH.EXE utility (Refer to section 2.1.2 "Using AFLASH to update
BIOS" for detailed procedures)
3. If the BIOS image is newer than the current BIOS or if the BIOS is corrupted,
the confirmation message "Are you sure? (Y/N)", appears.
4. Press "Y" to update the BIOS.
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BIOS Auto-recovery Procedure
Chapter 2: BIOS information
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