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Hi! I did what you suggested, but the RAM error came back. So I started testing each memory chip one by one on the board and was able to identify which one was causing the issue. I found out that one of the MB8464R-10L memory chips and also the 74LS373 were faulty. After putting the working...

Hi, has anyone ever been through this? View: https://www.youtube.com/shorts/LmhsnsMV_Ew

Hi, I'm not sure if this is the right place to ask, but I'm having an issue with a Street Fighter vs X-Men arcade board. It's showing a "RAM ERROR" message and then the screen turns white. I already tested board A and it's working fine, so the problem seems to be with board B. I followed a video...