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Museum of the Game® & International Arcade Museum® Forums
I have two boards that are acting similarly and I'm stumped. Self test indicates ram issues (high beeps on certain chips) and I swap that ram out but the problems remain. High beep on chip 3, replace. Then high beep on 4, replace. Then high beep on 3 again.
Two boards are doing this. They both pass Fluke short ram tests.