Thomson TO7

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The Thomson TO7, also called Thomson 9000 is a home computer introduced by Thomson SA in November 1982, with an original retail price of 3750 FF. By 1983 over 40000 units were produced. About 84 games were released for the TO7. The TO7 is built around a 1 MHz Motorola 6809 processor. ROM cartridges, designed as MEMO7, can be introduced through a memory bay. The user interface uses Microsoft BASIC, included in the kit cartridge. The keyboard features a plastic membrane, and further user input is obtained through a lightpen. Cooling is provided by a rear radiator. A standard television can serve as a monitor using a RGB SCART (Peritel) connector, with a resolution of 320×200 (with 2 colours for each 8×1 pixels). The TO7 prototype, called Thomson T9000, was developed in 1980. The differences regarding the production model are a different startup menu and buggier BIOS. An updated version with more memory capacity, the Thomson TO7/70, was released in 1984.