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Old 10 November 2019, 17:43   #10
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Join Date: Jul 2017
Location: Italy
Posts: 147
Ok since this seemed to go nowhere I decided to connect my (only and cheap!) oscilloscope to the signals coming from my Amiga 500 and 1000.

Unless I'm doing something very wrong with the probes (connected it to TXD and GND, pin 2 and 7 respectively) I see signals going as high as roughly 16V on the A1000 to about 25V on the A500.

Shouldn't it read much, much lower than that?!

I guess this might also explain why the PC adaptor was reading garbage, as I understand it accepts about 5V max.
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