Simius Posted March 26, 2021 Author Share Posted March 26, 2021 7 hours ago, erichenneke said: With the Sophia 2 still installed, I also tried running the monitor out (S-video out) from the stock Atari 800XL monitor jack to a CRT monitor, and that also does NOT get any signal to the monitor. My understanding is that the normal stock monitor-out video should remain functional too, even with the Sophia 2 installed. So the fact that I am not getting any video signal from the stock monitor-out jack does make me suspect the Sophia 2 unit I have might not be working. Double I then removed the Sophia 2, and I put my GTIA chip back in. And then the 800XL system works like usual again, with video coming out of the stock monitor-out jack just fine. So at least I know it's not my system. Thoughts? It's a bad sign. S-Video output should work. Take a picture how installed is a board. Quote Link to comment Share on other sites More sharing options...
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