I everbody !
I would like to known what is mean by that ?

AMD web site.
Notes for: K7VTA Pro
ECN: SY-K7VTAPRO-004-1
ECN: SY-K7VTAPRO-004-2

ECN: SY-K7VTAPRO-014 required for Athlon XP.

And what is mean CheckSum ?

I searching this information on the motherboard and reading the manuel but I don't find anything. I already try to updated my bios to the new version but i stop the process because i receved a message error from Winflash (BIOS ID Error, Are you sure to program ?). And if someone already updating with out this problem.

My System is :

Duron 800
Soyo K7VTA-PRO serial -
Version 1.0 November 2000
Bios version 2AA2
NS:2/14/2001-8363-686b-6a6lms2ac-00

Thanks for your answer ! ;-)
PS: Sorry for my bad english

Here Go to this Website and download the BIN Files so you can upgtade your BIOS

http://www.soyousa.com/downloads/selectresults.php?col1=Proc_AMD+Athlon+XP%2C+T-Bird%2C+Duron&col2=38&col3=BIOS+Upgrade

Tanks for your info ! ;-)