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Vintage Computers Any vintage computer systems, calculators, video games etc., but with an emphasis on 1980s and earlier equipment.

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Old 28th Dec 2018, 12:44 am   #1
Argus25
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Join Date: Oct 2016
Location: Maroochydore, Queensland, Australia.
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Default Computer Cassette Interface, Sol-20.

Recently I have been repairing and investigating the cassette tape interface in my Sol-20 computer. This is essentially the same as that used in Processor Technology's CUTS board and system, used in other S-100 computers too.

The article describes how it works. Also on the last few pages there is information that might help regarding a problem that crops up with the Sol-20's connection to the tape deck's remote input jack , which causes the small DIL relay's in the Sol-20 to fail (contacts stick closed), the reason for this, and the solutions. PT had one solution, but it was not ideal.

http://worldphaco.com/uploads/The_SOL-20_tape.pdf
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