Thomson TO7 computer on display at the Musée Bolo, EPFL, Lausanne
Developer
Thomson SA
Type
Home computer
Generation
8-bit
Release date
France: 1 December 1982; 41 years ago (1982-12-01)
Lifespan
1982-1984
Introductory price
3750 FF
Discontinued
May 1984
Units sold
More than 40000 produced
Media
Cassette tape, MEMO7 cartridges
Operating system
BASIC (in cartridge)
CPU
Motorola 6809 @ 1 MHz
Memory
22 KB RAM, 4KB ROM, 16KB cartridges
Display
320 x 200, 8 colours (2 colour constraint for each 8x1 pixels)
Graphics
Motorola MCA1300 gate array on TO7/70[1]
Successor
Thomson TO8, Thomson TO9
The Thomson TO7, also called Thomson 9000[2] is a home computer introduced by Thomson SA in November 1982,[3] with an original retail price of 3750 FF.[4]
By 1983 over 40000 units were produced.[4] About 84 games were released for the TO7.[5][6]
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 320x200 (with 2 colors for each 8 x 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.[7]
^"TO7-70 Circuit Diagram". dcmoto.free.fr.
^"Thomson TO7". old-computers.com.
^Miné, Antoine. "Thomson TO7 Emulation in MESS". Antoine Miné's Web Site.
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