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T > THOMSON  > TO 7   

TO 7

The Thomson TO 7 is the first micro computer conceived by Thomson and the first French micro-computer. This computer, also called Thomson 9000 was mainly used in french schools and had somehow a great success in France. "TO" stands for "Tele Ordinateur" (ordinateur meaning computer in French).

One of the most interesting feature of the TO-7 is its light pen. Indeed, there is one stored in a small trap above the keyboard. A wide range of software used this device. Even on later Thomson systems (MO and TO series), the light pen is still available as an option. It was the distinctive sign of the Thomson micro-computers.

On the other hand, its flat membrane keyboard (like the ZX 81's one) is awful! It is impossible to type something quickly. Each stroke is signaled by a small beep. There is a key labeled RAZ (Remise A Zero) which clears the screen, like the classic CLS command... There is a also a ACC key (Accent) which enables accentuated letters.

When you switch on the computer, there is no language, just a small configuration tool to test the light pen. The Basic 1.0 (Microsoft Basic 5) is delivered on a cartridge. It inserts into the cartridge trap door on the left side of the keyboard. The cartridges are called "Memo 7". Sadly, the trap door locking system is not very secure, and all TO 7 owners experienced the lost of their programs when the trap door opened itself without prompting... When the trap door opens, the cartridge is ejected, and the system hangs. You've lost everything :(

The Basic is quite complete with useful statements. To do graphics you've got LINE (to draw a line), PSET (to draw points), BOX (to draw a box) and BOXF (to draw a filled box). You can also handle the lightpen with INPEN, INPUTPEN, PEN and ONPEN. The joystick states are read with STICK and STRIG. To do music, you have the PLAY statement, which has been Frenchised. To play the standard note sequence, you would type: PLAY "DOREMIFASOLASI"...

At the back of the computer, one can find 4 expansion slots protected by plastic caps. Three are identical and are used for common expansions like joystick, disk-drives, etc. The fourth one is used by the optional memory expansion. Another item you can't miss at the back of the TO 7 is the BIG heatsink! This thing is huge and was known to cut a lot :( So be careful when you handle a TO 7! It also gets hot fairly quickly, so don't get burn either (man, the TO 7 is dangerous!).

The first programs (mainly developped by Vifi-Nathan) where really bad, often written in Basic. They were essentialy boring educative games. Despite this bad point, the TO-7 did well thanks to the French National Education who bought a lot of systems to the nationalised Thomson company... And in 1984, the TO-7 was replaced with the TO-7/70 (in fact the TO-7 continued to be sold too for a short time) which corrected the main weaknesses of its little brother.

TYPE  Home Computer
ORIGIN  France
YEAR  December 1982
BUILT IN LANGUAGE  None. Basic 1.0 (Microsoft Basic 5.0) available on cartridge
KEYBOARD  Flat membrane keyboard, 58 keys. Arrow keys.
CPU  Motorola 6809
RAM  22 KB (8 KB left for user, 14 KB for video), up to 38 KB (22,7 KB left for user)
VRAM  14 KB (see above)
ROM  6 KB (system monitor) + 16 KB from Memo7 cartridges
TEXT MODES  40 x 25
GRAPHIC MODES  320 x 200 (color attributes on a 8 x 1 pixels matrix)
SOUND  1 channel, 5 octaves (4 channels, 6 octaves with game expansion)
SIZE / WEIGHT  26 x 46 x 8 cm / 3.5 Kg
I/O PORTS  TV output (Scart), Cardridge connector, 3 x expansion connectors, Memory expansion connector, tape-recorder,
POWER SUPPLY  Built-in PSU, 220v, 50Hz, 30w. There is a protection fuse.
PRICE  562 (France, september 1983)

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