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| 15KHZ on a 31KHZ Monitor |
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| Jack Burton:
--- Quote from: slapaham on May 12, 2009, 03:42:27 am --- :cheers:Cheers guys! Yes, I had no intention in trying it out, so no need to worry there, hence, the question! ;) I think this is a great suggestion... --- Quote from: genesim on May 12, 2009, 01:07:01 am ---Yes, like the Ultimarc Arcade VGA. Version 2 has LCD support. --- End quote --- I haven't got an expert knowledge of the ArcadeVGA but I can remember reading about this feature. Look like I will need to look into this a bit more Thanks again! --- End quote --- I don't get what use an ArcadeVGA has here. It is a graphics card that is capable of outputting a 15khz signal from a computer to a 15khz arcade monitor or equivalent. I have heard that it has some nice built in scaling though. But for a pcb it's useless. For 31khz signals from a computer any old on-board graphics or graphics card should do. If you want to send the signal from a 15khz arcade game pcb to a 31khz monitor you will need an Upscaler just like Randy suggested. If you are going to go ahead and buy a converter I would instead recommend a converter like the J-ROK RGB to TV converter and use a televison for display instead of a 31khz monitor. |
| genesim:
If he is talking about a PCB then getting it to a computer then pushing it back out could work no? Is this impossible? But as far as modulated the 15khz signal, I thought it was quite capable of doing this through MAME. Just asking though. Judgeing from the website I thought the Ultimarc card was essential in this capacity of having all the options. The title of the thread was a little vague...15khz on a 31khz. That doesn't always equate to PCB, but even if it is can the signal be processed through a card? In to out? |
| genesim:
In looking at Ultimarcs website for the ArcadVGA version 2, there seems to be some kind of scaling of a 15khz signal to PC monitor standars which I assume are much higher. So barring a arcade PCB source...which hasn't been specified by the poster was out of line for suggesting the Ultimarc card? |
| DJ_Izumi:
There's no means to run a 15khz signal on a 31khz monitor. It's gonna be out of range. There's no 'special output' that will make it work unless you scale the signal up to something 31khz which is what he'll probably have to do. He'll just have to increase his output resolution to something that falls within range of the monitor. |
| CheffoJeffo:
About the only things that I have seen put out 15KHz are arcade PCBs and CGA video cards, but since I believe the question is in reference to this setup, I'll assume that he wants to play standard res arcade PCBs in a VGA cab. slapaham -- you may want to check this guy's project out, if I am correct in my assumption: http://www.russprince.com/cabinet/ All of the caveats that RandyT put forth apply -- it seems to be hit and miss for converters and upscalers and applicability to gaming. |
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