Ultimarc
Ultimarc J-PAC PC to JAMMA Board (Standard Version)
Best interface for retrofitting classic arcade cabinets with modern PC hardware.
The Ultimarc J-PAC (Standard Version) is an essential interface board designed to seamlessly connect a JAMMA arcade cabinet to a modern PC via VGA and USB ports. It integrates the advanced capabilities of the I-PAC series directly onto the board, featuring an on-board JAMMA connector. This unit includes necessary USB and VGA cables, supporting up to eight buttons per player. Key advantages include robust static protection, persistent key code storage, and specialized video circuitry that amplifies signals for arcade monitors while offering sync rate protection and 15Khz down-conversion capability for setup.
$59.95
Owner Satisfaction
4.7
/ 5
Category Rank
2
/ 33
#2 in Video Game Arcade Cabinet Accessories
Price vs Category Average
-20%
Below average
Who it's for
- Retro gamers wanting a simple arcade cabinet conversion
- Emulation enthusiasts needing seamless PC control integration
- Cabinet builders prioritizing hardware safety and longevity
Who should skip it
- Beginners intimidated by complex emulation software setup
- Users lacking experience with 15kHz video signal configuration
- Budget-conscious builders preferring DIY wiring solutions
Performance breakdown
Input Latency
Zero-delay architecture ensures arcade-perfect responsiveness for competitive gaming.
Signal Integrity
Integrated video amplifier delivers crisp, stable visuals to classic arcade monitors.
Installation Simplicity
Direct JAMMA connectivity makes retrofitting modern PCs into cabinets remarkably straightforward.
Hardware Protection
Robust static and reverse connection safeguards prevent costly damage to components.
Customization Depth
Fully programmable key codes allow for complete control over MAME configurations.
Sync Compatibility
Reliable 15Khz down-conversion handles diverse monitor setups with ease.
Key Specs
Connects PC VGA output to JAMMA monitor input.
Supports up to 8 buttons per player.
Includes screw terminals for JAMMA speaker output wiring.
Inputs include support for Tilt, Service SW, and Test.
Supports 12-volt coin doors.
No separate power needed.
Includes USB Cable and VGA Cable.
Compatible with JAMMA arcade cabinets.
Features
- Inputs protected against static discharge and reverse connection.
- Fully programmable key codes stored after power off.
- Self-Test LED instantly checks wiring integrity.
- No separate power supply is required for operation.
- Fastest input method; no ghost keys or scanning delay.
- Includes shift functions for MAME commands without extra buttons.
- Video amplifier boosts signal to standard arcade levels.
- Converts VGA syncs to composite sync for monitors.
What customers say
The Ultimarc J-PAC is the definitive solution for converting PCs to JAMMA cabinets, praised overwhelmingly for its exceptional ease of use. Customers highlight its flawless plug and play functionality, which simplifies the complex task of interfacing PC controls and video with arcade hardware. Reviewers confirm its rock solid reliability, noting it eliminates the need for separate encoders and extensive wiring. This superior integration saves significant setup time, making conversions accessible. While the initial cost is mentioned, the consensus is that the stability and reduced setup effort provide excellent value. The J-PAC remains the gold standard for high quality, hassle free PC to JAMMA conversions.
Know before you buy
No, the J-PAC is powered directly through the JAMMA connector in your arcade cabinet, so no additional power supply is needed for the interface board itself.
Yes, the J-PAC is specifically designed to handle the signal conversion required to display a PC's VGA output on a traditional 15kHz arcade monitor, including sync signal processing.
Absolutely. The board features fully programmable key codes that are stored in non-volatile memory, and it supports shift functions, allowing you to map MAME commands without needing extra physical buttons.
The J-PAC supports up to eight buttons per player, plus standard inputs for coin doors, tilt, service, and test switches.
The board includes a built-in self-test LED that provides an instant visual check of your wiring integrity, helping you troubleshoot connections before you start gaming.
The J-PAC uses a high-speed, direct-connection method that eliminates scanning delays and ghost keys, ensuring the fastest possible response time for your arcade controls.
Still have a question?
Ask Hayley anything about this product before you decide.
Ready to buy?
$60