M-Audio MobilePre USB User Manual page 10

5. Your MobilePre USB must be disconnected from your computer's USB
bus, before continuing (if you just finished installing Direct X, your
computer will have restarted, and a reminder to disconnect the
MobilePre USB will follow). If it is currently connected, disconnect it now.
6. The MobilePre USB install screen will now appear.Click "Next" to continue.
7. A screen appears that displays checked boxes for Digital Audio and
DMA transfer. Click "Next" to continue.
10