Whats this chip?

MIDIbox FM
1

Hi

ive got two SB16’s (CT2290 , CT2740) with this chip on it:

is that Creative’s version of the OPL3/OPL4 or something else?

Could the DACs already be on that chip?

2

That would most likely be an ASIC with an OPL3 core inside.  The DAC could be inside, outside or it could use a non-YAC512 DAC.