Based on the synth engine from the RD1000 digital piano (the full version with a keyboard). Yamaha TX16W (1988): sound module with an ability to boot its operating system (OS) from diskette; known particularly well for having a third-party OS codenamed Typhoon 2000 by NuEdge Development, a group of hackers who were dissatisfied with the original OS. Roland Sound Canvas series (1991): first sound module to implement General MIDI standard with Roland GS extensions. Roland MKS-80: modular version of the Jupiter-6 and the Jupiter-8. Used by artists such as Harold Faltermeyer, Hans Zimmer, Tangerine Dream, Madonna. Roland JD-990: enhanced rack version of JD-800, which features 195 waveforms, and has a display to program parameters. Kurzweil K2000R: modular version of Kurzweil K2000 Difference from audio interfaces Audio interfaces may be confused with sound modules. The audio interface connects a computer to other devices. Software in the computer actually generates sound using samples or synthesis. The functionality of the computer and audio interface plus the software can perform a superset of the functions of a sound module. See also Modular synthesizer Sound card References Synthesizers