ultimarc-jamma-j-pac-control-only-version

Ultimarc J-PAC PC to JAMMA Board (Control Only Version)

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average rating 60%
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SKU JPAC-C
Price $39.95
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Ultimarc J-PAC PC to JAMMA Board (Control Only Version)

The J-PAC is a board which allows plug-in connection of a JAMMA arcade cabinet to a USB port on a PC. It incorporates all the advanced features of the I-PAC with an on-board JAMMA connector. Includes USB cable.

Features:
  • Has inputs fully protected against static discharge and reverse connection, now supports 3 extra JAMMA connections (Tilt, Service SW and Test)
  • Fully programmable key code set. Stored even after power off.
  • Self-Test LED gives an instant check of all your wiring. Can indicate which, if any, input has a problem.
  • No separate power needed.
  • Does not use a matrix - no ghost keys. All inputs are completely separate and generate their own interrupt - this is the fastest possible method.
  • Does not use a scanning method which causes a variable delay.
  • Either use standard MAME keys or you can program your own character set.
  • Shift functions: Holding "Start1" and pressing other buttons sends a range of codes for MAME functions such as "escape", "Coin 1", "tab", "enter". This means no extra buttons are needed on the cabinet. In programmable mode any input can be the shift key and all keys can be programmed with a shifted code.
  • No special drivers needed. USB drivers are generic Windows.
  • All control inputs which are part of a normal JAMMA standard are routed to an on-board JAMMA edge connector.
Contains:
  • J-PAC Board (Control Only Version)
  • USB Cable
Comparison of J-PAC Control-Only to J-PAC Standard:
J-PAC Standard J-PAC Control-Only
Video Passthrough YES NO
VGA Cable Supplied YES NO
Buttons Per Player 8 6
Buttons 5 and 6 Support Screw Terminals JAMMA Connector (newer cabinets usually are wired this way)
Speaker Support Screw Terminals To empty header location on board, optional usage.
Product Link JPAC Standard JPAC Control-Only

Support & Documentation:
The J-PAC is made by Ultimarc, all support links below open to their website:

Ultimarc J-PAC PC to JAMMA Board (Control Only Version) Reviews

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Featured positive reviews:

average rating 60%
Not easily used under RetroPie 01/02/2024
By Charles Woloszynski
Seems to work out-of-the-box but I am still struggling to figure out how to use it under RetroPie. Very unclear how to get RetroPie to detect and use this device.
 

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