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MD Reset signal in the Megadrive cartridge slot?

afsblood

New member
Original poster
Jun 3, 2019
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Reset signal in the Megadrive cartridge slot?
I read about a megadrive IC BD M5 PAL VA4 (here and here) that works with different signal (5v or gnd) on its reset button. But I do not have this version of megadrive to be able to test. What I would like to know is the reset signal (in the cartridge slot "B27") does it work differently in these versions of the megadrive or is this the same for all? Thank you.