[mythtv-users] Nvidia DVI vs ATI

mark at onnow.net mark at onnow.net
Mon Dec 6 16:02:34 UTC 2004

After reading the article re. DVI compliance...

So it looks like ATI cards are working better than NVidia for DVI.  I am looking
to by a TV that takes DVI and I am concerned about the compliance of Nvidia
cards.  Are the ATI cards supported at all?  I have always used Nvidia with no

Thoughts?  Experiences?


Quoting Brad Templeton <brad+myth at templetons.com>:

> On Sun, Dec 05, 2004 at 02:16:26PM -0800, nate s wrote:
> > I thought someone on this list might be interested in this.  
> > 
> > http://graphics.tomshardware.com/graphic/20041129/index.html
> > 
> > It's a Tom's Hardware Guide article on the DVI spec and it's
> > implememtation in current graphics cards.  Very good info on how DVI
> > works, and which graphics cards produce the best DVI signal.
> > 
> > "Interestingly, running a test for DVI compliance is not a mandatory
> > requirement for receiving a DVI license. As a result, products reach
> > the market that claim to have DVI capabilities but don't adhere to the
> > specifications."
> So Nvidia cards seem to do worse than the Radeons.  I wish they had
> tested other than $300 graphics cards.  You aren't buying one of
> those cards to do MythTV, after all, that's strictly for the hardcore
> gamer.
> Note that even the NVidia that "failed" were compliant to 140mhz.
> HDTV resolutions aren't using nearly that much.
> I wish I could get an answer before taking back my TV if it's bad
> DVI from my Nvidia.  Though since Powerstrip was able to make it work,
> probably not.

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