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Old 18 November 2019, 10:38   #264
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Join Date: Jun 2009
Location: Dublin, then Glasgow
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Interesting... It seems that the Checkmate version of the board has an issue with newer ACA cards that use a different 68000 compared to the original ACA500+. Which version do you have?

I'm not familiar with those bare boards you're talking about, but I'm guessing it's Matze's board? It's very similar to my board, and both are based on much earlier adaptors that existed back in the day. There are a minimum of components needed - you can probably get away with not fitting the -5V regulator as I don't know of any Zorro cards that need it. You will need a couple of the resistors though as pull-ups, most of the capacitors, and the XOR gate chip which reproduces a missing clock signal.
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