bios updates can be a good thing or a bad thing
are you having any problems with your system right now?
bios updates can allow your motherboard to support faster cpus among other things
here is the newest bios update you can do.
(but i suggest if you never have done this to hold off and read about how to update it, because if you mess up you SOL in most cases and will have to buy a new bios chip)
http://www.asus.com/support/download...lName=A7V333-X
yours is the a7x333-X correct?