[mythtv-users] DVI vs. S-Video

Phil Bridges gravityhammer at gmail.com
Mon Jan 14 03:26:32 UTC 2008

On Jan 13, 2008 8:36 PM, Harry Devine <lifter89 at comcast.net> wrote:
>  Rich West wrote:
> Harry Devine wrote:
> Everyone,
>  I currently have an EVGA nVidia based e-GeForce 7100GS video card in my
> Myth box, and I'm using the S-Video out to push the TV-Out to my Samsung 46"
> DLP HDTV.  I've been thinking about this for a few days, and I believe that
> I should be using the DVI connection from that card to my TV.  I have 2 HDMI
> inputs on my TV and 1 is being used to receive signals from my Comcast
> Motorola STB.
>  I'm a little unsure how to configure my xorg.conf file to do this.  Also, I
> suppose that I'll have to get a DVI-to-HDMI cable.  Am I correct in this?
> I'm adding my current xorg.conf file contents below, so if anyone has any
> ideas, I'm all ears.
>  The title of the Wiki entry is a bit misleading, but check out
> http://www.mythtv.org/wiki/index.php/ComponentOut for details on how to get
> this set up.
>  -Rich
>  Hey Rich!
>  I just got around to getting the DVI->HDMI cable hooked up, and I can't get
> it working from within Linux.  When my Myth box reboots, I can put my TV on
> HDMI2 and see the boot up process.  However, once the X server starts, I get
> nothing.  I don't see anything in my /var/log/Xorg.0.log file that indicates
> any problem.  I tried to follow the link in the Wiki that you sent, as well
> as the following article to no avail:
> http://www.fedoraforum.org/forum/showthread.php?p=721770#post721770.

>  Section "Device"
>      Identifier  "Videocard0"
>      Driver      "nvidia"
>      VendorName  "nVidia"
>      BoardName   "NVIDIA GeForce"
>      Option      "TwinView"
>      Option      "TwinViewOrientation" "Clone"
>      Option      "ConnectedMontior" "CRT, TV"
>      Option      "SecondMonitorHorizSync" "30-50"
>      Option      "SecondMonitorVerRefresh" "60"
>      Option      "TVStandard" "NTSC-M"
>      Option      "TVOutFormat" "Composite"

As long as you tell your Xorg to send X out of the "Composite" output
of your card, that's where it will be output.

Read this: http://gentoo-wiki.com/HOWTO_Xorg_HDTV#Nvidia_Settings

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