Quote Originally Posted by Arcade Antics View Post
But you previously said you got it to work once. The daughter cards are much more finnicky than the chipsets. It's possible that you have a card that has issues, can't confirm without seeing it. But every one I've ever seen in person where someone claimed it didn't work and had the issues you mention was a case of an improperly seated card. If they're not lined up properly and the contacts aren't clean and snug, those cards act up.
Yeah, you've got a point. It did work briefly. The Dr. Mario card has been in there for 20 odd years, so the socket may just conform better to it. Do you think I might have better luck in another PCB?