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for questions relating to the Atari 400 8-bit computer

5
votes
2answers
350 views

Membrane keyboard robustness

Some early computers used a membrane keyboard (ZX80, ZX81, Atari 400), or semi-membrane with minimal keys (ZX Spectrum). This is because it was cheaper than a mechanical keyboard. Intuitively I would ...
17
votes
1answer
316 views

Was the Atari 400/800 internal speaker of any use besides key click?

Sounds from the Atari 8-bit computer line came through the RF video cable into your television much like video game systems from the time. The original Atari 400/800 also had a built in speaker, ...
7
votes
1answer
197 views

Atari 400 Faulty Keyboard - Some columns work, most do not

I've been cleaning up an Atari 400 that had a bad RF cable, and cleaned the machine thoroughly so it's looking great. It's working well apart from the keyboard, where most of the keys aren't working: ...