Asus P4PE User's Guide download pdf (Page 67)

ASUS P4PE motherboard user guide

4-3

4.1.2 Using AFLASH to update the BIOS

Creating a bootable disk

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

disk. DO NOT copy AUTOEXEC.BAT and CONFIG.SYS to the disk.

2. Type COPY D:\AFLASH\AFLASH.EXE A:\ (assuming D is your

CD-ROM drive) to copy AFLASH.EXE to the boot disk you created.

BIOS setup must specify “Floppy” as the first item in the boot

sequence.

4. In DOS mode, type A:\AFLASH <Enter> to run AFLASH.

If the word “unknown” appears 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.

AFLASH works only in DOS mode. It does not work in the DOS prompt

within Windows, and does not work with certain memory drivers that

may be loaded when you boot from the hard drive. It is recommended

that you reboot using a floppy disk.

3. Reboot the computer from the floppy disk.

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Asus P4PE User's Guide Page 67