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Placeholder The Keyboard Component was an addon meant to convert the Intellivision into a full fledged computer. The keyboard component had 16kb RAM shared with the master component, its own 6502 CPU and a built in tape player. It also had its character generator, able to overlay high resolution texton top of the master component's video. While promised since the system's launch, it never got beyond test marketing, selling only 4000 units which Mattel would eventually buy back. The ECS (Entertainment Computer System) came about due to a FTC lawsuit for Mattel failing to produce the promised computer addon. The ECS was a lot less ambitious, adding a second sound chip which provides IO ports for either an alphanumerical keyboard, a musical keyboard or two additional controllers, an interface for either an external tape player or printer, 2 kilobytes of RAM and a built in BASIC.
→Keyboard Component & The ECS
==Keyboard Component & The ECS==
* Entries for "ECS*" and "KBC*" in the table above should be explained here.
