[mythtv-users] Need "xorg.conf" Modeline for Samsung LN-S4695D

Just Gags justgags at hotmail.com
Mon Aug 27 22:25:17 UTC 2007

Jarett,If you have the same setup, would you mind posting your /etc/X11/xorg.conf and your /var/log/Xorg.0.log as well as any other information you feel might be helpful. ...If yours worked out of the box, it sounds like your display is properly outputting EDID information, which would mean something is definitely wrong on my end.Thanks!Date: Mon, 27 Aug 2007 08:15:02 -0700From: nobleiceman at gmail.comTo: mythtv-users at mythtv.orgSubject: Re: [mythtv-users] Need "xorg.conf" Modeline for Samsung LN-S4695DOn 8/27/07, Rich West <Rich.West at wesmo.com> wrote:
Just Gags wrote:>> > Date: Sun, 26 Aug 2007 23:09:49 -0400> > From: Rich.West at wesmo.com> > To: mythtv-users at mythtv.org
> > Subject: Re: [mythtv-users] Need "xorg.conf" Modeline for Samsung> LN-S4695D> >> > Just Gags wrote:> > > Hello,> > >> > > I am trying to configure Xorg to properly output a high-definition
> > > widescreen display for my Samsung LN-S4695D 46" LCD TV.> > >> > > The problem I'm running into is that I seem to be unable to properly> > > pull EDID data down from the television, so I'm going to need to
> > > manually configure a Modeline to display... and after much research> > > I've been unable to determine one that will properly work.> > >> > > Ideally, I would like this output to display in 720p (as my video
> card> > > is a low-power fanless card). But a Modeline for 1080p (for testing> > > purposes) would be greatly appreciated as well.> > >> > > I'm not sure what other information I need to give, but any help with
> > > this issue would be hugely appreciated.> >> >> > How is your TV connected to the computer, and what video card are> you using?> The television is connected from the VGA port on the computer the the
> VGA port on the television. The video card is an nVidia GeForce 6200.>> Thanks!You may want to make sure that your TV can display 720p/1080p via VGA.In most cases, it can, but some (like some plasmas) do a _slightly_
different resolution when going over VGA (aka: PC Input) vs. HDMI,component, etc.Anyhow, I thought I put this in a wiki entry, but in looking back, itdoesn't look like I did.Here's what I have for my (much smaller) TV connected via VGA displaying
at 720p.  This uses the built-in nvidia modelines for displayingstandard-signal 1080p/720p/480p which should get picked up properly bythe TV.  This might work for you...-Rich-----Section "Monitor"
        Identifier   "Monitor0"        VendorName   "Panasonic FLM-3232"        ModelName    "Proview FLM-3232"EndSectionSection "Device"        Identifier  "Videocard0"
        Driver      "nvidia"        VendorName  "XFX"        BoardName   "XFX nVidia GeForce 6200"        Option      "RenderAccel" "1"        Option      "NvAGP" "2"
        Option      "NoLogo" "true"        Option      "UseEvents" "True"EndSectionSection "Screen"        Identifier "Screen0"        Device     "Videocard0"
        Monitor    "Monitor0"        DefaultDepth     24        SubSection "Display"                Viewport   0 0                Depth     24                #In order, the Modes represent       1080p
720p            480p                #Modes    "1920x1080_60" "1280x720_60" "720x480_60"                Modes    "1280x720_60" "720x480_60"        EndSubSection
EndSectionSection "DRI"        Group        0        Mode         0666EndSection-----I have this exact TV with that video card displaying over VGA myself.  For awhile, I used the DVI port on the card to the HDMI input on the TV, but the TV thinks anything coming in from ports other than it's VGA port has overscan, so it cuts off about 5% of the screen on all sides, which is fixable from Myth, but a pain none-the-less.  I switched back to VGA because I could not tell any difference in quality between VGA and the DVI/HDMI cable, and I didn't have to mess with overscan.  I tried for a long time to get a modeline that would work for the DVI cable to auto-resize the whole screen, desktop and all, but was unsuccessful.  
I have the screen displaying in 1080p from the VGA port and I've thought that it works great, the video card has no problems with it.  I've had no need for a modeline, but you should be able to use what Rich has written (Modes    "1920x1080_60" "1280x720_60" "720x480_60"), without having to specify the whole modeline...  
If you do end up finding a modeline that works better for the display, please e-mail the list or just me about it because I'd be curious to know...Jarett

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