@2000army...

I had issues with my X-Fi only working in the PCI slot just below my 8800GTX, so I just ran it there for the time being. Then, when I had the rest of my issues sorted I removed it in the device manager and shutdown, and removed the card, restarted, shutdown, then re-installed it in the bottom slot and rebooted, and everything is fine now.

A bit of a PITA, but worked