At 17:38 -0300 26.11.99, Plinio wrote: >I use a MTP AV >USB on a Mac G3 350 ,and i have to use OMS ,wonder if using a serial port >the OMS will not be needed. This is correct. You can use the MTP AV on a serial port without OMS. Beste Gruesse - best regards, Michael Haydn EMAGIC Soft- und Hardware GmbH SoundDiver Group Executive Logic Windows Developer Unitor8 Control Project Manager