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15KHZ on a 31KHZ Monitor

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slapaham:

Just wondering what would happen if you were to do this...

Jack Burton:

At best you will get an "Out of sync range" message.

At worst you will damage your monitor. 

Don't do it.  It won't work. 

If you need to display a 15khz image on a 31khz monitor there are ways to convert the signal.

genesim:

Yes, like the Ultimarc Arcade VGA.   Version 2 has LCD support.

RandyT:


To use as 15khz (CGA)  signal on a 31khz (VGA) monitor, you need an "upscaler".  They can be a bit tricky to find, especially with RGB inputs (usually SCART RGB compatible models have this) and even when you do find one, it's hard to know if it's suitable for gaming.  Most will have some sort of motion artifacting, usually visible on games which scroll vertically.

RandyT

slapaham:

 :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!

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