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VGA out to CGA monitor?
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Topic: VGA out to CGA monitor? (Read 1915 times)
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John Li
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VGA out to CGA monitor?
«
on:
July 14, 2002, 12:13:34 am »
Since a CGA monitor has the same specs as a standard monitor, would it be possible to use Mame -NTSC with a CGA monitor?
«
Last Edit: December 31, 1969, 07:00:00 pm by 1026619200
»
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Dave_K.
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Re:VGA out to CGA monitor?
«
Reply #1 on:
July 16, 2002, 12:09:19 pm »
It is possible. CGA monitors run a 15khz...but have digital inputs. You have to hack the monitor board and make a connector to the analog pins just after the digital conversion circuit.
Here is a page that details how to make the hack (this is for a specific cga monitor, but the chipsets are pretty much the same on all).
http://www.arcadecollecting.com/info/Samtron_5inch_CGA_to_Arcade.txt
-Dave
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VGA out to CGA monitor?