[[SymbOS]] makes use of:
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*the graphics cards based on the Yamaha V9990 graphics chip[[Media:Yamaha v9990 datasheet.pdf|V9990 Datasheet]] [[Media:Yamaha v9990.pdf|V9990 Application Manual]]*the soundcards based on the Yamaha OPL4 sound chip[[Media:Yamaha opl4.pdf|OPL4 Datasheet]]. You can think of the OPL4 chip as an OPL3 and a Gravis Ultrasound ducktaped together
*the MP3 hardware player soundcards