Freyja Burch
The Nintendo VS Unisystem is an arcade cabinet system that plays a variety of games. The system is comprised of a set of 2764 EPROMs containing game data, a CPU chip, and a PPU chip. The PPU chip has become expensive and hard to find, driving up the price of the Unisystem. The arcade cabinet features a single monitor, with some games requiring a gun accessory.
What You'll Learn
Nintendo Vs. Unisystem and Dualsystem Arcade Control Panels
The Nintendo Vs. Unisystem and Dualsystem arcade cabinets are popular among collectors and gamers, with some preferring the original arcade experience and others opting for modifications or conversions. For example, one collector is attempting to convert a Vs. Unisystem cabinet into a PlayChoice system to play gun games. This requires modifications to the harness, control panel, and coin mech, showcasing the level of technical knowledge and skill required for such projects.
The Nintendo Vs. system is comprised of a set of 2764 EPROMs containing game data, a RP2A03 CPU chip, and specific PPU chips for each game. These components are placed on a Nintendo Vs. PCB, which can hold up to two games in the case of the Dualsystem, while the Unisystem holds only one game. The PPUs, or Picture Processing Units, are interchangeable, but using the wrong one can result in incorrect colours or a non-functioning game.
A wide range of games were released for the Nintendo Vs. system, including Vs. Baseball, Vs. Hogan's Alley, Vs. Pinball, and Vs. Ladies Golf. Some games, such as Vs. Trojan, Vs. Urban Champion, and Vs. Kung-Fu, were only released in Japan or had limited releases in the US, making them highly sought-after by collectors.
In addition to the control panels, other parts for the Nintendo Vs. arcade cabinets are also traded online, including motherboards, chipsets, daughter cards, and even entire arcade machines.
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Nintendo Vs. Unisystem to PC10 conversion with a gun
The Nintendo Vs. Unisystem is an arcade cabinet system released by Nintendo that allows players to play a variety of games, including gun games. The system consists of a set of 2764 EPROMs containing game data, an RP2A03 CPU chip, and a specific PPU chip for each game. These components are placed on a Nintendo Vs. PCB, which can hold up to two games in the case of a Vs. Dualsystem.
Converting a Nintendo Vs. Unisystem to PC10 with a gun setup requires several modifications and additional components. Here is a step-by-step guide based on a conversion project posted online:
Step 1: Gather the Required Components
- Vs. Unisystem cabinet
- Vs. control panel (optional to replace with PC10 control panel)
- Vs. harness (without gun connector)
- Asahi Seiko 740 coin mechs
- PlayChoice-10 single monitor board (without cage or filter board)
- PlayChoice-10 gun games
Step 2: Modify the Harness
The original Vs. harness will need to be modified to work with the PlayChoice-10 setup. The power pin 16 on the 44-pin connector, which provides +24V, is marked as +12V on the PC10 diagram. It is recommended to consult schematics and seek advice from experienced individuals when making modifications.
Step 3: Add Extra Buttons
Two extra buttons need to be wired—one is the reset button (marked in yellow on the diagram), and the other is unclear, but advice from forum members suggests it may be related to the gun or timer functionality.
Step 4: Connect the Gun
The trigger and hit functions of the gun are identified as pin N and pin P, respectively. The Mike's Arcade PC10 gun harness can be purchased to simplify the wiring process, but it is also possible to add the necessary wires to the existing harness. The white Molex connector will connect to the control panel, but the black plug's location on the single monitor board is unclear and requires further advice.
Step 5: Connect the Timer
The timer function is purely cosmetic and does not need to be connected, especially if the machine is set up for free play. However, if desired, the blue-marked pins on the diagram (A to M on the 36-pin connector) are all needed for the timer. The type of connector required to connect the harness to the timer board is unclear and requires further advice.
Step 6: Additional Considerations
Other considerations include the correct size of carriage bolt to hold the joystick on the Vs. control panel, the correct length of cam lock for the coin door, and the availability of gun kit manuals for both PlayChoice and Vs. systems to aid in the wiring process.
It is important to note that this conversion process may vary depending on the specific hardware and software versions involved. Always refer to official manuals, schematics, and seek advice from experienced individuals when attempting any modifications.
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Nintendo Vs. Unisystem pricing
The Nintendo Vs. Unisystem is an arcade cabinet that plays Nintendo Vs. games. These are comprised of a set of 2764 EPROMs containing the game data, an RP2A03 CPU chip, and a specific PPU chip for that game. The Nintendo Vs. PCB can hold up to two games, whereas a Unisystem holds one game.
The pricing of these arcade cabinets varies depending on the game and the condition of the cabinet. Dedicated Nintendo cabinets from the 1980s typically range from $300 to $800, with some exceptions for popular titles or well-restored cabinets. For example, a dedicated Nintendo Vs. Unisystem cabinet with the game Castlevania could be priced around $300-$500, with the PCB costing $150-$200. The same cabinet with a less popular game like Vs. Goonies might be priced lower, with the PCB costing around $50-$75.
Replacement chipsets for Nintendo Vs. games can be purchased online, with prices varying depending on the game and the number of chips included. For example, a double chipset for Vs. Super Mario Bros. or Vs. Ninja Jajamaru Kun is available for purchase, with the price available upon request.
In terms of the size of the monitor for the Nintendo Vs. Unisystem arcade, it appears that these cabinets typically feature a single monitor, although there are also dual-monitor setups available for certain games, such as Vs. Baseball and Vs. Dr. Mario.
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Nintendo Vs. Unisystem PCB
The Nintendo Vs. Unisystem is an arcade system released by Nintendo in the 1980s. It is a dedicated arcade cabinet that plays a variety of games, including Castlevania, Goonies, Super Mario Bros., and Duck Hunt. The system uses a Picture Processing Unit (PPU) along with game-specific chips placed on a PCB (printed circuit board). The PCB can hold up to two games, depending on the system. The Nintendo Vs. Dualsystem can hold two games or two sets of chips, while the Unisystem can only hold one game.
The Nintendo Vs. Unisystem is typically priced higher than a standard Nintendo Entertainment System (NES). The price of a Unisystem depends on the game it is dedicated to, with more popular games like Castlevania commanding higher prices. The system's PPU chip has also become expensive and difficult to find, which has driven up the cost of the Unisystem.
The Nintendo Vs. Unisystem uses a unique RGB palette that resembles a composite palette. This can make it challenging to mod the system for RGB output, as the colours may not match perfectly. However, there are workarounds and patches available to get closer to the arcade PPU colours.
Converting a Nintendo Vs. Unisystem to a PlayChoice-10 system requires modifying the harness and adding buttons and connectors for the gun and timer. The PlayChoice-10 system is required to play gun games, and the conversion process can be complex, requiring knowledge of electronics and soldering.
Overall, the Nintendo Vs. Unisystem is a sought-after arcade system by collectors and enthusiasts, offering a unique arcade experience with a variety of classic Nintendo games.
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Nintendo Vs. Unisystem kits
The Nintendo Vs. Unisystem uses a PPU (Picture Processing Unit) chip, which has become expensive and hard to find due to a large number being taken out of circulation for console gamers. The specific PPU chip required depends on the game, and using the wrong one can result in incorrect colours or the game not working at all. Some popular Nintendo Vs. games include Vs. Trojan, Vs. Urban Champion, and Vs. Kung-Fu, which was released only in Japan or in very limited numbers in the US.
In addition to the PPU, the Nintendo Vs. Unisystem also uses an RP2A03 CPU chip, which can be purchased from MikesArcade.com. The Nintendo Vs. PCB can be installed into a dedicated Vs. system cab, which are similar to the older-style Nintendo cabs but with some differences. These dedicated cabs are preferred by some collectors, while others may want the kit version to convert the game back to the original Nintendo game.
The Nintendo Vs. Unisystem kits are a great option for those looking to get into arcade game collecting and restoration, offering flexibility and a lower price point compared to dedicated cabinets.
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Frequently asked questions
A Nintendo Vs. game is comprised of a set of 2764 EPROMs containing game data, a RP2A03 CPU chip, and a specific PPU chip for that game. These are all placed on a Nintendo Vs. PCB. A Unisystem holds one game.
A Nintendo Vs. Dualsystem can hold two games or two sets of chips on the PCB.
A Nintendo Vs. Unisystem is typically priced higher than a standard Nintendo system or a NES. The price depends on the game and the cabinet. A dedicated Unisystem with Castlevania will be more expensive than a Pac-Man conversion unisystem with Baseball or Golf.
The size of the monitor for a Nintendo Vs. Unisystem arcade is not specified in the sources. However, it is mentioned that the system has a single monitor.
