Your MEPHISTO is a product of German technical ingenuity and introduces you to the world of modern chess computers. With it you acquire access to a comprehensive system of games and modules that make up the MEPHISTO MODULAR SYSTEM. Within this family of computers, consisting of the MEPHISTO Modular, the MEPHISTO Exclusive and the MEPHISTO Muenchen, practically all system components are interchangeable.
We of the MEPHISTO team wish you many hours of pleasure and success with your electronic chess partner.
Excerpts taken out of the “Hegener + Glaser Mephisto MM II” User Manual
About the Game Module
MEPHISTO MM II uses an 8 bit 6502 microprocessor running at a speed of 3.7 MHz with 32 KB ROM available for the program and its functions. 4 KB RAM is used for the program’s game memory. The built-in opening book comprises of approximately 1000 main and sidelines. The HG 240 openings module works with the MMII. This module increases the openings library to 24,000 half-moves (ply).
The program was written by Swedish programmer Ulf Rathsman.