Wave RT (Wave Real Time) is Microsoft’s new audio driver model for the Windows family of operating systems, including Windows Vista and Windows 7 (now in beta). Windows Wave RT support is now shipping for all MOTU FireWire and USB2 audio interface products, including the UltraLite-mk3, 828mk3, 896mk3, Traveler-mk3, 8pre and 828mkII-USB2 models.
This is probably old news to a lot of people, but I originally used my MOTU 828mkII with a Mac Pro, so was unaware of WaveRT. Checking this box in the MOTU Audio Console seemed to get rid of some clicks and beeps I was hearing running Windows through my MOTU.
I was still getting some beeps, although much fewer. I increased the “Samples per buffer” from 64 to 1024 and it seems to have improved things. I don’t think I’ve heard any beeps since, about an hour ago.