Thanks for the awesome guide! My Orpheus 2 LT + Roland MT-32 combo seems to be working well together. I did a quick test: Monkey Island 1 and 2, Duke Nukem 3D and they all output to the correct MIDI port. Haven't tested in Doom/Doom 2 yet though due to lack of time.

I bought this adapter few years ago, but only now finally managed to test it, building a new rig. My setup: Microsoft IntelliMouse USB -> Aten CS84U KVM -> Adapter card -> Socket 3 motherboard. The adapter is configured as COM1, board's ports are shifted in a way: COM1 -> COM2 COM2 -> COM3 Been …