a dedicated chess computer module for Mephisto Module Systems by Hegener & Glaser, first launched in 1991. Produced by TASC, and similar to the ChessMachine, it used an ARM2 RISC processor to run the Gideon based program of Ed Schröder's Rebel family, which won the WMCCC 1991 in Vancouver. The RISC 2 Modul launched in 1994, was updated with Gideon 3.1 of the ChessMachine, which won the WCCC 1992 in Madrid.
- Module Risc from The Spacious Mind
- Module Risc II from The Spacious Mind
- Mephisto Risc 1MB from Schachcomputer.info Wiki (German)
- Mephisto Risc 2 from Schachcomputer.info Wiki (German)