Denniss, GZ is bigger file than LV so I thought it could be it... but thank you! I've never done this before so updating the BIOS should'n go wrong with the AWDFLASH utility, right? Does it need any parameters?
I have an Abit BX-20 motherboard too. Here's the link that tells you how to use awardflash to update your BIOS. I had to use several parameters when I flashed my BIOS.