[Coco] Jammaboard CV-04 for Coco3

[Retro Canada]

the common mistake on the gbs8200 is that people try to use the dsub15 but the 15khz rgb or cga only works through the rgbs pins instead. the dsub15 is a simple vga bypass.

On Dec 16, 2013, at 5:28 PM, Robert Hermanek <rhermanek at centurytel.net> wrote:

I also attempted the GBS8200, in my case wanted to convert a CGA signal to VGA, but couldn't get results.  So then tried RGB out of coco, no luck, so then as part of troubleshooting, took the component outs on a perfectly good DVD player, and attempted to have it convert that signal to VGA ... and it did, but pretty terrible quality.  So in the end, afraid it's in a drawer now...

-RobertH

> On 12/16/2013 4:21 PM, Steven Hirsch wrote:
>> On Mon, 16 Dec 2013, Luis Antoniosi (CoCoDemus) wrote:
>> 
>> I told you it was the jamma the culprit...
> 
> I believe it.  Unfortunately, Jamma will not even discuss the issue since I'm using the board with something other than a game machine.  This will be the last business I ever do with them.
> 
>> non-standard video. I have a crappy GBS8200 that bounces the image
>> from time to time...
> 
> I have one of those also and it's really not very good.  You'd think that someone, somewhere could come up with a converter that accepted RGB or composite video from various classic machines and presented something reasonable over VGA analog or DVI link.  I probably have a dozen different video converters here and none of them are without issues.
> 
> Steve


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