[mythtv-users] HDTV Modeline Help

Steve Adeff adeffs at gmail.com
Sat Dec 10 23:51:29 EST 2005

On Saturday 10 December 2005 10:05, Richard Shaw wrote:
> I've got a Samsung 27" standard (not widescreen) CRT HDTV that supports
> both 720p and 1080i. I can get EDTV resolutions to work (I'm using
> 640x480 right now), which is fine for most situations since I don't have
> anything media better than DVD quality right now, but I would like to be
> able to use the Desktop as well so I can remote to my desktop PC and
> browse the web effectively.
>  I did a Xorg -probeonly and it did not find any compatible resolutions
> over 848x480, however I was not supprised since I've read that many do
> not have proper EDID info. It states that my hsync is 30-35kHz and my
> vsync is 58-62Hz. Using modeline calculators it appears that if I
> specify 960x720p that it is not possible to satisfy both sync
> requirements. I tried bumping the max hsync up to 45 but was greeted
> with a "jumpy" screen so it appears is that part may correct.
> Hardware/Software info:
> Asus A7V-Deluxe MB
> Athlon 2500+ processor
> GeForce MX 4 AGP video
> Fedora Core 4
> TV is Samsung TX-P2764 27" CRT using DVI input.
> Thanks,
> Richard

If its a true HDTV then it has to accept some of the standard HDTV modelines 
listed here:



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