Owner`s manual

66
Yes. Gigasampler will not work if you have DirectSound enabled. You
will need to go into the DirectSound property page and disable
DirectSound. If you have more than one of our cards, you need to disable
DirectSound for each card.
Reaktor
Q: I'm a Reaktor user. Anything I should know about?
Be sure that you enable multi-client audio in the driver property page, or
Reaktor will tell you that the hardware can't handle full-duplex audio.