I normally use cakewalk / sonar/ bandlab.. with my Yamaha S90 synth and when it is connected by USB, its midi devices show up just fine in    Preferences - Midi - devices. I want to use the windows internal midi device and I can tell it is available by attempting to play a midi file with  Windows Media Player Legacy and the midi file plays just fine. How ever the  cakewalk  Preferences - Midi  - devices page does not show the internal midi device so I can not select it and I can not as