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Namco Pots - replacement cross reference

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rmwilson:
hey Scott - thanks for the details there.... certainly helpful ..

My ultimate goal is to TRY and keep the existing arcade and electronics working without damaging or frying anything  just because it is such a rare machine .... I want to hook it up to a pc or console to play modern bike games... what I'd love to do is use an old analog switch box say from a printer or something and be able to switch where the 3 different pot values go ... to factory wiring harness into original arcade or into a ultimarc board (uhid or Apac board) into a PC - so I could switch on the fly arcade or modern game :)

PL1:

--- Quote from: rmwilson on April 05, 2026, 11:11:29 am ---My ultimate goal is to TRY and keep the existing arcade and electronics working without damaging or frying anything  just because it is such a rare machine .... I want to hook it up to a pc or console to play modern bike games... what I'd love to do is use an old analog switch box say from a printer or something and be able to switch where the 3 different pot values go ... to factory wiring harness into original arcade or into a ultimarc board (uhid or Apac board) into a PC - so I could switch on the fly arcade or modern game :)

--- End quote ---
As you mentioned, this is a pretty rare cab.
- You might not want to hack it with any modification that can't be entirely and perfectly undone.  Please don't maim for MAME.

Connecting it to a console might be difficult since many of them use 3.3v for the controllers.

How modern of "modern bike games" are you thinking?
- Will they run and look good on your arcade monitor (15kHz or 31kHz?), or are they too high resolution?
- You definitely don't want to send an excessively-high frequency signal into an arcade monitor.   :scared   :blowup:
- Hopefully, you can adjust the monitor and PC video so the monitor works well with both the game PCB and PC.

There are the mechanical DB25 parallel port switches like this one that you mentioned, but since you also need to swap video, an HD15 VGA switch like this one might be a good addition.
- As mentioned in one of the reviews of that VGA switch, you might also need an EDID emulator so your computer doesn't think there's no monitor connected when the switch is set to game PCB video.


Scott

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