Hi All,
I just made an account to post this.
I have an original Famicom that would run the Everdrive N8 on OSv16 fine but not any of the OSv20 RCs. I was getting grey screens when booting nearly all games except for Lagrange Point for some reason, (which ran great... at least in the intro) and a garbled menu when I would do a long reset. My Famicom needed a recap anyway so I went to console5 and got a cap kit and a 78S05 (a 2 amp version of the 7805, the original is 0.5 amp I believe.) Since replacing the caps and the regulator everything is working great on OSv20 rc7. I've tested about 15 games and no grey screen or garbled menu on reset. I didn't even do a full format this time, I just deleted the old EDFS folder and copied over the OSv20 folder.
Hope that helps someone.