Have always been intrigued to use an external midi module in my setup but I’ve hit a bit of a snag that I’m not sure will require acquiring a more suitable soundcard or not. I recently got an Yamaha MU50 and a gameport to midi cable going from the onboard sound of my motherboard. Its OPL3 with the Yamaha 715 chipset and does send midi information to my module just fine but in DOS games I have simultaneous output from the onboard sound AND the gameport so I’m getting a mix of the module plus music from the internal synth, which I dont want. Now, in Windows (95) I can mute the onboard midi synth and just hear the MU50 fine but DOS apps arent following suit. I downloaded the program ‘Setupsa’ to try to mute the onboard synth in DOS but unless I’m overlooking a particular setting I’m having no luck sadly. Also included a screenshot of the ‘setupsa’ program in case theres any options that should be altered to get that onboard midi turned off that I’m missing.