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Old 08-03-06, 11:30 PM   #14
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Join Date: Aug 2006
Location: Northern CA
Posts: 6
Default Re: HDTV (1920x1080) video + nvidia + mythtv = Frustration

Originally Posted by superm1
Well I just bought a new 30" Samsung SlimFit HDTV.

If I set up the TV as DVI->HDMI, I can only get 1280x720 on the DVI out to the TV. I can do 1280x1024 on the LCD. Xv playback is fine. Only fails with the component out.

Do I need to set up a modeline to let it do 1080i on the DVI? I mean is something wrong with the EDID that is reported from the TV back via DVI that it won't accept 1920x1080?
Sounds like you haven't tried a 1080i modeline. Without it how are you expecting to get 1080i out?

On the other hand, although the TV accepts 1080i input it is clearly going to scale it down at least in the horizontal direction as the specs for the TV, from Samsungs website, say it has a "Maximum of 800 lines horizontal resolution". That means instead of 1920 pixels across you are only going to see 800. If you can get 1080i to work compare it with the 1280x720 (720p) which you say you already got working and see which one looks better. If you can't get 1080i to work then use 720p -- its still HD.
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