# Ricoh RF5C68 YM2612's sidekick - poor man's SNES DSP. 8-channel PCM sample-based synthesizer used in Sega CD, Fujitsu FM Towns and some of Sega's arcade machines. supports up to 64KB of external PCM data. # effects none so far. # info - this chip uses the [RF5C68](../4-instrument/ricoh.md) and [Generic Sample](../4-instrument/amiga.md) instrument editors.