Build Your Own Arcade Controls Forum
Main => Monitor/Video Forum => Topic started by: bimm25e on October 20, 2013, 08:52:31 pm
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So I planted a PC in my new NAOMI cabinet hoping to get the vga from the computer to output to the screen via the vga on the CAPCOM I/O.
I have installed soft 15khz and I can select 30khz interlaced(640x480) but it doesn't display an image on the screen. I can actually view the pc "doubled" side by side in 60Hz mode....what am I missing here?
I set powerstrip to "arcade monitor" mode and that just overscanned and displayed garbage
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Most NAOMI cabinets have monitors that support progressive scan (640x480p). No need for any tricks or hacks, just pick 640x480 60Hz. The IO board may be limiting you to 15k. I'd just bypass it. It won't do you any good when hooking up to a PC, anyway (it looks like it's USB, but it's NOT - JVS uses USB connectors but isn't USB compatible in any way).
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well, I was using the I/O for its convenient VGA input to RGB output capabilities, I dont really have a way to hook the PC up to the monitor without the I/O handling the VGA.
The monitor looks pretty aged, I think the cabinet was a street fighter 2 originally and was a NAOMI conversion, its a Dynamo HS5.
I bought this video card - http://www.ebay.com/itm/261308985388?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1497.l2649 (http://www.ebay.com/itm/261308985388?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1497.l2649)
as it was confirmed working with Soft15khz. im really hoping this is the last missing piece.
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monitor is a Wells Gardner 25K7193 mfg. apr 1991
anyone know what resolution I should be aiming for?
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Fun fact: VGA *is* RGB. You can literally just hook the wires up directly, though it may be a bit dim (a video amplifier would fix this).
It's difficult to troubleshoot with a potentially active device in the way, but it sounds like you didn't get soft15khz working correctly. The double image effect is normal when trying to display progressive scan 480-line video on a standard res monitor. Soft15khz is very picky about what version of the driver you're using due to how it works (it's basically an automated registry hacker). Ensure you're using not only a known compatible card but also a known compatible driver version.
You want 640x480, but it needs to be INTERLACED. Alternately, you could also run something like 320x240 progressive. When properly "installed", soft15khz will make the 640x480 option in Windows output interlaced video rather than progressive (the default, for compatibility with normal PC monitors which cannot handle 15kHz scanrates).