Re: Looking for YMF262

From: Levente Hársfalvi (
Date: 1999-06-26 07:16:06


> Slightly off-topic I know but bear with me. I'm looking for a source of
> Yamaha YMF262 chips - if anyone knows a common soundcard that uses / used
> them please let me know. This is the original OPL3 sound chip as opposed
> to the later cost reduced / low power / integrated versions found in
> laptops etc.

Both my first soundcards (Sound Blaster Pro II and an Opti 9xx (sorry,
don't remember; it was manufactured in '94, maybe 80c929)) had a
separate YMF262 as FM soundgenerator. Both were SMT packaged.

> Therefore, once I have the Sound
> Expander's schematic it should be possible to make a stereo 4 operator
> sound expansion which is backwards-compatible with Commdore's original
> Sound Expander and the upgraded YM3812 one I mentioned on the list a while
> back.

Played with the same idea when you first introduced your experiences
with the sound expander card.

...What about reverse engineering the sound thingy, eh?


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