ok so ihave been working on a few nintendo vs boards for a few days now and ive gotten one of them to re show me video by replacing the cpu and ppu sockets with dual wipe sockets but after a few mins of testing im coming across the system that keeps reseting by what i believe is a watchdog circuit. im not sure where to look. i have a logic probe and probing pin 29 on the cpu shows that after 4 cycles it restarts