As with motherboards, it is expected that all major audio and MIDI interface manufacturers will develop 64-bit drivers for their hardware. As of 10/05, the following manufacturers are known to have 64-bit drivers available:
You may also wish to check Cakewalk’s Open Audio Hardware Guide at http://www.cakewalk.com/Tips/audiohw.asp Here you will find a list of recommended audio interfaces, though 64-bit drivers may not be available for all hardware.
