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Memory protect? Are you testing the board inside a game? In that case, do not connect CN14.
That board suffered….some clean up work to do.....
(Topic ID: 270316)
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Quoted from gdonovan:Possible indicator that circuit is not functioning as it should?
Maybe that is causing the problem. This board doesn't look very healthy as a result of the leaking batteries. Are you sure there is not a trace somewhere eaten away? Did you check if the all the addresslines and datalines are ariving at the RAM socket? I assume you did replace D23 already!?
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