Fully programmable key code set. Stored even after power off unlike some other interfaces which lose all data when powered off.
Controls can be assigned to any keycode, game controller button, plus mouse buttons, power, sleep or wake.
All joystick/button connections easily made via screw tag strip. Connections marked on the board.
Chunky 5mm screw connectors .
Self-Test LED gives an instant check of all your wiring. Can indicate which, if any, input has a problem.
All button inputs referenced to ground - no need to re-wire separate grounds to each button.
Lead plugs into USB port.
Using host software, an unlimited number of keycode configurations can be stored and downloaded on-the-fly. Retained on power off.
No separate power needed.
Does not use a matrix - no ghost keys.
Does not use a scanning method which causes a variable delay. Each input has it's own dedicated connection into the on-board CPU .
Fast running interrupt-driven software gives much better response than a standard keyboard controller. Key debounce uses a state method for each key. No delays between keys depressed at the same time. (essential for fighting games).
Either uses 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.
Special note for Windows MAME users! Shift key functions mean you can select and start games from the Windows interface without using the keyboard or mouse.
No special drivers needed. USB drivers are generic Windows.
Fully compatible with all Apple Macs which have USB ports.
Supports the Apple Mac "command" key and the Windows "GUI" keys.
I-PAC4 and I-PAC2 boards and J-PAC can be paired in any combination to increase the total number of inputs.
Keycode programming is integrated directly into many popular front ends for seamless launch of emulator or other applications which require different codesets.
The I-PAC uses a high-performance microcontroller chip . No matrix or diodes are used hence absolutely no ghosting, blocking or delays.
De-bounce. This uses a state counter method. Each input has it's own counter. This means simultaneous keypresses are never locked out.
Key code Flash ROM storage. Retains custom settings after power off/on (excluding I-PAC VE)
Full Speed USB 2.0 compatible.
Shift key logic including protection against stuck keys.
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