This is seriously frustrating, but I'll (try to) save you the ranting, and just get to the point. I recently built a new hot-rod machine with Win7/64. I put in a venerable m-audio 2496, I plugged in ...
Propagamma has improved its USB ASIO driver, used to connect professional audio applications with MIDI and audio hardware. The software supports various flavors of Windows and Mac OS 9 as well.