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Hello, I have a 4 slot mvs which is stuck in watch dog, I have tried using the diag bios on it but the board isnt able to boot into it. I also tried jumping the watch dog disable jumper.

Hello, I have a 2 slot MVS board which I need help getting sound working again. Currently, sound within the test menu works no problem, but I can't get sound from any cartridges. I have already: -recapped the board -swapped the z80 -swapped the bios I have the following tools available to...

Hello all, I recently got a full sega model 1 cage (minus the sound stuff). I just got all the power and video hooked up but its just giving me a blue screen with some white dots on it. There's no led activity on the main board stack, and there is only the power led lit up on the io board...

Hello everyone, I have a MV2F that is not producing any game sounds. I have recapped it, and the internal sound test is working. Any suggestions would be appreciated!

Hello all, I have a mvs mvh4 that is watchdogging. I can't find any broken traces on it, and I have tried to install the diag bios into it but it continues to watch dog with it installed. Any suggestion that I could get as to how I should proceed would be appreciated!