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YM(4) Device Drivers Manual YM(4)

Yamaha OPL3-SAx audio device

ym* at isapnp?
midi* at ym?
audio* at ym?

The ym driver provides support for Yamaha OPL3-SAx chipset-based cards.

audio(4), intro(4), isapnp(4), midi(4), wss(4)

This driver is a thin wrapper around the wss(4) driver. The ym device driver appeared in OpenBSD 2.4.

The "FM" DAC, wavetable synth, and MIDI port are not supported. I can't seem to access any of the extended registers so master volume, mute, 3-d control might not work through the mixer interface. Lots of work needed.
May 31, 2007 OpenBSD-5.8