mv1b

I recently got an MVS and supergun setup and it worked perfectly for a few days, but one morning it started having this issue and it hasn't worked properly ever since. Regardless of how I have the hard dips set, the console will briefly display "WORK RAM TEST" as if all the switches are enabled...

Hello everyone, Question level beginner. I got a mv1b and I installed a battery holder on it, but saves are not working. I just took off the old battery and installed the holder, I didn't not remove anything I would like to use it with ml2032 not cr2032. I tested the electric tension on the...

Until recently my MV1B still had the original rechargeable battery. It looked a bit grotty but hadn't leaked however it wouldn't keep a charge for very long so I figured I should replace it pronto. I bought a Dreamcast battery kit as it looked like the correct lead layout but it was only when I...