It turns out the problem was I had the MIDI input plugged into the soundcard aswell. I had no problems with the MT-32, but my SC-55MKII would lock up the computer if the MIDI in was also plugged in. A very odd problem

I am not using SoftMPU (I have tried it and it does not change anything for doom). With my AWE64 CT 4390 and my AWE32 CT3990 Doom basically locks up (takes about 30 sec for the menu to show up and another 30 sec to quit) if I have Sound blaster as my sound device and Sound Canvas as my music device. …

I did not know i could change the MIDI interrupt. How would I go about doing that on my AWE64? Is it under the SET Blaster?

My SC-55 is going through the line in on my soundcard (Yamaha Audician currently) The midi playback from the SC-55 seems to not have any issues at all, there is just no digitized sound while MIDI is enabled. I have tried Boppin, DOOM, Duke Nukem 3d (the setup program plays back both just fine, but …

I understand that. I have it going out to my SC-55MkII. I am saying that under DOS if I select a general MIDI device, digitized sound (soundblaster) does not seem to work, but the MIDI works fine

I have a problem on multiple older 486 computers under pure 6.22 DOS or 7.1. When I use General MIDI through the built in MPU-401 there is no digital audio. If i select sound blaster for both Music and Sound there is no problem and everything works as it should. Is anyone familiar with this problem? …