Thanks @defor your information helps a lot. Still a mess for a rookie like me.
Is this possible to play all chapters without connecting the cardreader? How? Can you explain the details please?The card reader checks can be bypassed although I HAVE gotten lockups on game over/clear without it present, so YMMV.
And where I can find the whole pages of this Cobra The Arcade Service Manual? Can't do the other connection thing without pinmap.
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