DOOM runs in protected mode. Protected mode games must be patched to work with OPL2LPT. Ok, thanks! I tried patching DOOM but did not get any sound from the device apart from occasional scrathing noise. Anyway, using Adlipt TSR I managed to get sound out of Lemmings, so the device seems to work. …

Hi! I also ordered an OPL2LPT and soldered it together. The board is connected to the printer port of my old Pentium box (an Asus TX97 motherboard and AMD-K6 233Mhz) running MS-DOS 7.1 with EMM386. The test program opl2test.exe works, a melody is played. Adlipt.exe also reports a successful …