Asus P4T P4T User Manual - Page 43

Managing and Updating Your BIOS - bios update

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4. BIOS SETUP 4.1 Managing and Updating Your BIOS 4.1.1 Upon First Use of the Computer System It is recommended that you save a copy of the original motherboard BIOS along with a Flash Memory Writer utility (AFLASH.EXE) to a bootable floppy disk in case you need to reinstall the BIOS later. AFLASH.EXE is a Flash Memory Writer utility that updates the BIOS by uploading a new BIOS file to the programmable flash ROM on the motherboard. This file works only in DOS mode. To determine the BIOS version of your motherboard, check the last four numbers of the code displayed on the upper left-hand corner of your screen during bootup. Larger numbers represent a newer BIOS file. 1. Type FORMAT A:/S at the DOS prompt to create a bootable system floppy disk. DO NOT copy AUTOEXEC.BAT & CONFIG.SYS to the disk. 2. Type COPY E:\AFLASH\AFLASH.EXE A:\ (assuming E is your CD-ROM drive) to copy AFLASH.EXE to the just created boot disk. NOTE: AFLASH works only in DOS mode. It will not work with DOS prompt in Windows and will not work with certain memory drivers that may be loaded when you boot from your hard drive. It is recommended that you reboot using a floppy. 3. Reboot your computer from the floppy disk. NOTE: BIOS setup must specify "Floppy" as the first item in the boot sequence. 4. In DOS mode, type A:\AFLASH to run AFLASH. 4. BIOS SETUP Updating BIOS IMPORTANT! If "unknown" is displayed after Flash Memory:, the memory chip is either not programmable or is not supported by the ACPI BIOS and therefore, cannot be programmed by the Flash Memory Writer utility. ASUS P4T User's Manual 43

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4. BIOS SETUP
4.1
Managing and Updating Your BIOS
4.1.1 Upon First Use of the Computer System
It is recommended that you save a copy of the original motherboard BIOS along
with a Flash Memory Writer utility (AFLASH.EXE) to a bootable floppy disk in
case you need to reinstall the BIOS later.
AFLASH.EXE
is a Flash Memory Writer
utility that updates the BIOS by uploading a new BIOS file to the programmable
flash ROM on the motherboard. This file works only in DOS mode. To determine
the BIOS version of your motherboard, check the last four numbers of the code
displayed on the upper left-hand corner of your screen during bootup. Larger num-
bers represent a newer BIOS file.
1.
Type
FORMAT A:/S
at the DOS prompt to create a bootable system floppy
disk.
DO NOT
copy AUTOEXEC.BAT & CONFIG.SYS to the disk.
2.
Type
COPY E:\AFLASH\AFLASH.EXE A:\
(assuming E is your CD-ROM
drive) to copy AFLASH.EXE to the just created boot disk.
NOTE:
AFLASH works only in DOS mode. It will not work with DOS prompt in
Windows and will not work with certain memory drivers that may be loaded when
you boot from your hard drive. It is recommended that you reboot using a floppy.
3.
Reboot your computer from the floppy disk.
NOTE:
BIOS setup must specify
“Floppy” as the first item in the boot sequence.
4.
In DOS mode, type
A:\AFLASH <Enter>
to run AFLASH.
IMPORTANT!
If “unknown” is displayed after
Flash Memory:,
the memory
chip is either not programmable or is not supported by the ACPI BIOS and there-
fore, cannot be programmed by the Flash Memory Writer utility.
ASUS P4T User’s Manual
43
4. BIOS SETUP
Updating BIOS