Monthly Archives: January 2016

Why won’t the TI-99/4A cassette port work with my PC sound-out port? Here’s why …

Posted on 15 January 2016 by Chris Kobayashi

TL;DR: the OEM TI cassette cable tape-audio-1-input jack is wired incorrectly for equipment available now. Leave pin 9 floating and run pin 3 to CS1 plug sleeve and things magically work. You can cheat by amplifying the signal a lot … Continue reading →

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