New
#51
Seeing as no one has actually come out and said it in this thread, Creative in no way has anything to do with the drivers for the Asus Supreme/Rampage/whatever X-Fi as it is not a X-Fi at all but a SoundMax/ADI based sound card/chip, that only gets to use some of the X-Fi software.
You want working/compatible drivers you need to get on Asus' case to get them, and get on them to go after Creative for an updated version of the X-Fi MB.
One thing you can try is this,
Daniel_K: SB X-Fi MB for Windows 7, Vista and XP and proper Realtek HD Audio driver
and use the license key that came with your motherboard and see if it will activate.