Flashing the BIOS with a Windows XP Boot Disk

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Here is a question from reader Darryl N. concerning the XP boot disk:

"I used the method you outlined to create a DOS boot disk for my

Windows XP machine with the purpose of flashing my BIOS. After

booting from the floppy and running the flash command, I received

an error message about not being able to run the BIOS flash program

with memory managers loaded. Config.sys and autoexec.bat are empty

files. What is loading memory managers and how can I remove them so

I can flash my BIOS?"

I have seen this before when using a Windows 98 boot disk; however, that

disk was definitely loading a memory manager.

I decided to upgrade my BIOS using a boot disk made by XP to see if I

could find the problem, but I didn't have any problem with the flash. As

you say, the Autoexec and Config files are empty. I even checked the

msdos.sys file and saw nothing there that could cause a problem.

Although I don't see what could be loading, I deleted all the files

except for those that are necessary to boot up (since msdos.sys was

empty, I deleted it also), and then flashed the BIOS again. Here are the

contents of the floppy disk that I used to flash my Asus BIOS:

command.com

io.sys

aflash.exe

aa261011.awd

This worked fine for me, but it worked Ok before I deleted all the extra

files. If you have access to a Windows 98 computer, you could try

creating a boot disk with that machine. If you take this route though,

be sure to eliminate the autoexec.bat and config.sys files. In fact,

leave only io.sys, command.com, and msdos.sys.

If this fails to work, it might be worthwhile to download a new copy of

your flash program, just in case.

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