*
I have tested some new Options Rom with my GA-X58A-UD5 and not found many performance updated ( only some problems because the INTEL version 9 or 10 are big and i cannot use normall my HighPOint add-on cards )
For modify your BIOS you can use CBROM32 but
** do not think you will win much apart from the risk of bricked upur motherbaord card with a bad BIOS **
Pierre