[mythtv-users] Nvidia DVI vs ATI

[Grogerto]

I've never been able to get 1080i working using DVI either.  Its ends up 
looking "choppy."  I'm hoping they'll fix this in a driver release one 
of these days ...



Brad Templeton wrote:

>On Sat, Dec 18, 2004 at 06:20:38PM +0000, Simon Williams wrote:
>  
>
>>The image the DVI-D connection produces ( valid modeline ) appears as
>>if the interlaced fields are shifted vertically out of alignment. With
>>one field displaying 10-15 lines higher than the other.
>>
>>On my search for a card that will do 1080i via DVI-D I can across the
>>SIS chipset which has some excellent drivers provided by Thomas
>>Winishhofer ( http://www.winischhofer.at/linuxsisvga.shtml ) his
>>driver has in-built modelines for this purpose. Tracking down an SiS
>>card with DVI is however proving to be a challenge.
>>
>>    
>>
>
>Finally, after I ask in 1000 places and nobody knows a thing about it,
>somebody has the same problem I have had with the FX5200 and a DVD
>player.
>
>
>However, what made me beat my head for a long time was that I was
>able to get the card to display 1080i over DVI to my HDTV under Windows 
>using the Powerstrip program.   So it is _possible_ to get the card
>to do this, but it does not seem to be doable under linux.
>
>You want DVI on a card, it does seem the most common choices are NVidia
>(with this problem) or ATI (with major driver problems and possible
>inability to do xvideo at more than 1600 wide).   I have a number-9 DVI
>card using a Savage chipset, but it is, alas, the old 3.5 AGP and
>I can't plug it into any of the systems I have which are fast enough
>to do HDTV.
>
>The SIS drivers you point to do not mention xvmc.  I guess I don't
>need it with the 3ghz CPU, but it would still be nice.
>
>The question is, is it only the 5200 that has this DVI problem?  Have
>people seen or not seen it with other NVidia chips, such as MX4000,
>MX400 series, or higher end NVidia?  It seems a waste to buy a fancy
>gamer's vga card and not use any of it.
>
>Shuttle sells a cheap ($20) DVI adapter card for their systems that
>use the Sis 315 chipset.  It fits in their AGP slot, but I am not sure,
>is it an actual video card, or is it just an adapter that talks to the
>chipset on the Shuttle XPC motherboard.  It also has TV-out.
>
>It scares me though because it says "Max Resolution 1280x1024"
>
>I ended up solving my problem the hard way -- with the audio authority
>VGA to DVI converter.  It works, but due to going analog there is some
>noise.
>
>There is an MX4000 card with DVI out for $42 at buy.com, but I have had
>other bad luck with the blue xvideo bug on the mx4000.
>
>
>Also seen a Volari V3 card for $45 at Tiger Direct, anybody tried that.
>
>
>  
>
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