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Hello. I've recently received a MV-1ACH (which oddly has a AX board for the cart but I think it's just like that from the start) and planning to replace the battery with the usual battery holder+CR2032 combo. However, unlike the 4-slot, there's no ohm resistor present so I'm unsure as to what...

I've got myself the Jamma-2-MVS Big Red adapter from JNX (as seen here http://www.jamma-nation-x.com/jammax/store.html) so that I can attach my cabinet's MVS wire to the Mono only Neo Geo Jamma board and I just realized that the adapter has a stereo socket. This sounds silly but it's fine to...

Hello I've seen a Pandora's Box recently and I've been thinking, if the system is Jamma and I have a Jamma adapter for a MVS harness, would it work fine if I place it on my cab? I'm aware that it's not gonna support all games due to the lack of buttons but for games that uses 4 or less, it would...

Hello I was thinking of getting a MV1C from ebay so that I could test out my MultiMVS and see if it would work. However, when I looked at the MV1C system, I'm not sure if the harness of my MV4 is compatible with the MV1. Would a MV1C board be compatible with a MV4FT cab's wiring and plugs...

Hello Some months ago, I've managed to get a MVS cabinet in a American surplus store somewhere in the town. While the machine does turn on, they informed me that they had to replace the previous PSU since it's broken. I know I had to replace it but until recently, I don't exactly know where to...

Hello I'm aware that cleaning the MVS board and carts should be on the to-do list once in a while to avoid potential problems. Using a vinyl/plastic eraser followed by some contact cleaner soaked Q-tip or anything similar for the cart and something thin like a credit card covered with thin cloth...

***Update 12/28/2019 - Just received the 1 slot MVS I orderd and tested out the cart. Finally, it works. Only problem I've noted so far is that Real Bout Fatal Fury 2 seems to have a problem but I'll try it again later. While the new board seems to do the trick, I'm not 100% sure as to what the...

Greetings I've just received my MultiMVS cart and while I was looking through the instructions, I noticed that it mentioned something about the battery. While my current battery is dead, is it really necessary to have the battery? I am planning to replace it but the battery holder I ordered...