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FS Neo Geo MVS: ALL-in-1 Vortex Multicart - 2025

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leonk

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FS: Neo Geo ALL-IN-1 cart for your MVS arcade system.

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Since October 2023, I've made over 100 of these carts. Making these carts is a time consuming effort that requires the purchase of donor carts, custom PCBs, purchase of extra flash memory, etc. There's a lot of work and many hours that go into making them. All games instantly boot, no waiting a few minutes for games to load from an SD card.

What I do:
- All flash chips are removed and reprogrammed with a full set of all clean Neo Geo ROM dumps (all MVS, AES, some Neo Geo CD ports, some homebrew games) - NO HACKS**
- the 3 FPGA chips are reprogrammed with new code to support the extended number of games
- new menu is installed to make game selection easy
- extra flash memory is added to make all the games fit (stock 161-in-1 doesn't have enough memory chips to fit all the games)
- all new PCB boards to support the new flash memory
- 2 new custom power rail circuits are added to support the extra memory and fix the bad audio output of the original design - this is a custom design by me using new components
- all the capacitors have been replaced with new Japanese Nichicon caps
- all new components sourced from DigiKey
- corrections are applied to the PCBs to improve cart compatibility and power rail stability
- You can learn more about this cart here: https://www.arcade-projects.com/thr...161-in-1-cartridge-to-change-rom-games.15069/

A customer reviewed the cart on YouTube here (you can see the list of games on the cart):
View: https://youtu.be/CZrfZtqh2BI?si=JxmPLWvjMtNpf4VO

My video of the cart in action: https://x.com/leonkiriliuk/status/1721719015972762101

PRICE: $300 USD + actual shipping to you (to most places in the world that's about $20-$25 USD) with tracking.

BONUS: I also provide you with a modified UNIBIOS V4. This will allow you to easily get back into the main menu to select a different game to play without needing to power cycle your entire arcade machine. Well worth it to save your CRT monitor. If you have a CMVS, this is less of an issue to power cycle the machine and you might want to skip installing this.

PAYPAL ACCEPTED. ALSO ACCEPTING WISE.COM PAYMENT IN EURO.

** KNOWN LIMITATIONS:
- KOF2000 has graphical glitches in the menu text but the game is fully playable
- GAROU:Mark of the Wolf is the beta version
--> In both cases, the original carts are not standard Neo Geo carts. They have extra components to support the extra memory stuffed into them. These components are not reproduced in the FPGA code due to space and as a result compromises had to be made to make the games fit and "work". Every other game is a perfect dump of the original
- DIP switches are not saved between changing games. You can change settings in UNIBIOS or service menu but those changes are lost between game changes
- Some multi-slot MVS PCBs have issues with multicarts (like this one, NeoSD, Darksoft) It's best to use it in a 1 slot PCB
- Some CMVS units have poor 5V AC adapters that don't put out enough current for any multicart to function. Some arcade power supplies are pushing 30 years now and the 5VDC line is out of spec resulting in the cart not booting. When in doubt, try it on another PCB. All games are tested for about 3 hours in my Neo Geo arcade machine before shipping out to you.


Until recently, I've had a long waitlist to get this cart. I've finally caught up and now opening up for new orders. In a couple of weeks I'll have a few new carts ready to ship to customers. If you are interested in this cart please DM me here or e-mail me (leonki@gmail.com) and I'll add you to the buyer list. No deposit required. You only pay when the cart is ready to ship to you.
 

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I also bought one last month and I’m very happy with the product and the service he provided 👍👍👍👍👍
 
Well this is a first in 2 years .. I finally caught up with my backlog! 4 more donor carts came in today, and the waitlist is clear.

If you're interested in a Neo Geo all-in-1 MVS cart; now will be a good time. Shipping worldwide. DM me if interested.
 
All 4 carts are now sold!!!

I have 3 more donor carts on my way to me. They should be here in 3 weeks time. I need about a week to convert them from 161-in-1 to ALL-in-1. I will post here when those are available. If you want to secure one of these spots, DM or e-mail me. I don't take deposits, just add your name to a list of interested customers.
 
Any new info about getting back to the main menu with a 4 slot board with the new unibios or it just works with a 1 slot board
 
neoVLAD said:
Any new info about getting back to the main menu with a 4 slot board with the new unibios or it just works with a 1 slot board
Click to expand...
It a hit/miss with 4 slot. Some customers had no issues with the Vortex carts, others had issues. The modified unibios should get you back to the menu to select another game.

Better question is why you'd want to have a multislot with a vortex or any multicart? Even when you use original Neo Geo carts, the design of the system is iffy. Carts have to be inserted in a particular order or you run into problems.
 
it’s just a bonus too have if it can work at the moment it get me to restart the game I selected when I do a soft reboot can’t seem to get to the main menu to select a new game
 
neoVLAD said:
it’s just a bonus too have if it can work at the moment it get me to restart the game I selected when I do a soft reboot can’t seem to get to the main menu to select a new game
Click to expand...
That's how Neo Geo works with regular BIOS or even UNIBIOS. You need the hacked UNIBIOS I provide with Vortex cart installed to be able to get back to the main menu without power cycling the entire system. You get into the OSD of the game and hold the B button while resetting the game. B button held tells the hacked BIOS to change the "active game" to the "main menu game" in memory.
 
leonk said:
That's how Neo Geo works with regular BIOS or even UNIBIOS. You need the hacked UNIBIOS I provide with Vortex cart installed to be able to get back to the main menu without power cycling the entire system. You get into the OSD of the game and hold the B button while resetting the game. B button held tells the hacked BIOS to change the "active game" to the "main menu game" in memory.
Click to expand...
I have used the excellent Vortex multi and bios provided by @leonk in my MV4 for a while now. It works exactly as Leon described, returning to the main menu for game selection with the button combo. On my MVS, it seems to work whether it is slotted alone or with all 4 slots loaded with the Vortex in slot 1. I was prepared to use a 1 slot if it didn't work right, but luckily this board seems to like it just fine.
 
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