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Thread: Ati Radeon and TV-out using S-Video

  1. #1
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    Ati Radeon and TV-out using S-Video

    I have Ati Radeon X1400 graphics card and would like to connect my laptop to a TV using S-Video. With XP everything works smoothly, how can I set up tv-out connection for Ubuntu? Any help appreciated.

  2. #2
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    Re: Ati Radeon and TV-out using S-Video

    Quote Originally Posted by orbital View Post
    I have Ati Radeon X1400 graphics card and would like to connect my laptop to a TV using S-Video. With XP everything works smoothly, how can I set up tv-out connection for Ubuntu? Any help appreciated.
    same problem here
    ________________________________
    DELL e6420 Laptop
    Ubuntu Pagolin Precise 12.04 LTS
    Linux Registered User #434330

  3. #3
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    Re: Ati Radeon and TV-out using S-Video

    This issue has frustrated me greatly. I have a friend using Windows (Friends don't let friends...) so I have been trying to switch him to Ubuntu. Problem is he likes to use a TV as his monitor.

    I have wrestled with the Display settings every which way, and cannot get his TV to work RELIABLY.

    The scorcher is that windows does this perfectly without any intervention. Very embarrassing.

  4. #4
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    Re: Ati Radeon and TV-out using S-Video

    it only works with the FGLRX driver; not the open source driver.
    ________________________________
    DELL e6420 Laptop
    Ubuntu Pagolin Precise 12.04 LTS
    Linux Registered User #434330

  5. #5
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    Re: Ati Radeon and TV-out using S-Video

    According to the wiki, the open source radeon driver is supposed to work with the s-video out on almost every card.

    The problem is that it doesn't. if you try to search for an answer, you get 500 responses related to the proprietary drivers and ubuntu 7.x or 8.x

    What we really need is a way to search these posts and ignore anything that's not related to the new version, and maybe lock out the old version threads when the new version is released.

    Does anyone actually know how to get the Radeon drivers (open source) to output s-video?

  6. #6
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    Re: Ati Radeon and TV-out using S-Video

    Use this script to enable S-Video:

    /usr/bin/tvon
    Code:
    #!/bin/bash
    # Enable S-Video at 800x600
    xrandr --addmode S-video 800x600 && xrandr --output S-video --mode 800x600 --pos 200x200 && xvattr -a XV_CRTC -v 1
    It takes an 800x600 portion of your screen and ouputs it via S-Video.

    Use this to disable S-Video:

    /usr/bin/tvoff
    Code:
    #!/bin/bash
    # Disable S-Video
    xvattr -a XV_CRTC -v 0 && xrandr --output S-video --off
    Use this for a dual screen setup:

    /usr/bin/dualscreen
    Code:
    #!/bin/bash
    # Enable dual screen
    xrandr --addmode S-video 800x600
    xrandr --output S-video --mode 800x600 --right-of VGA-0
    Replace VGA-0 with your primary output name. You can also replace right with left.

    The two first scripts are taken from the Internet. I made the last one myself. It requires you to add "Virtual" option to xorg.conf, like this:

    Code:
    Section "Screen"
        Identifier "Screen0"
        Device     "Card0"
        Monitor    "Monitor0"
        DefaultDepth    24
            SubSection "Display"
                    Virtual          2080 1024
            EndSubSection
    EndSection
    Calculate the virtual resolution like this: Sum the X resolution of S-Video (800) and your primary display (mine is 1280). Then compare the Y resolutions of your screen and S-Video (600) and pick the higher one (most likely your primary screen). Hope this helps.

    If these scripts give any errors, please run
    Code:
    sudo apt-get install xrandr
    Naturally you need to make the scripts executable:
    Code:
    sudo chmod +x /usr/bin/tvon
    sudo chmod +x /usr/bin/tvoff
    sudo chmod +x /usr/bin/dualscreen
    Last edited by xtrakt; July 27th, 2010 at 01:18 PM.

  7. #7
    Join Date
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    Ubuntu 10.04 Lucid Lynx

    Re: Ati Radeon and TV-out using S-Video

    Hello ppl

    Just to join in on a subject

    I tried all those things u mentioned, xtrakt, but there isn't much improvement. I do have picture on TV via S-Video but it's scrambled although u can see somewhat of the desktop.

    Funny thing is that when I tried restarting X, sometimes I do get normal pic on TV but lately even that doesn't work. Maybe it was because of some updates but how can one tell:/

    Any other ideas?
    Luke Skywalker: I don't believe it.
    Yoda: That is why you fail.

  8. #8
    Join Date
    Jun 2012
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    6

    Re: Ati Radeon and TV-out using S-Video

    Quote Originally Posted by xtrakt View Post
    Use this script to enable S-Video:

    /usr/bin/tvon
    Code:
    #!/bin/bash
    # Enable S-Video at 800x600
    xrandr --addmode S-video 800x600 && xrandr --output S-video --mode 800x600 --pos 200x200 && xvattr -a XV_CRTC -v 1
    It takes an 800x600 portion of your screen and ouputs it via S-Video.

    Use this to disable S-Video:

    /usr/bin/tvoff
    Code:
    #!/bin/bash
    # Disable S-Video
    xvattr -a XV_CRTC -v 0 && xrandr --output S-video --off
    Use this for a dual screen setup:

    /usr/bin/dualscreen
    Code:
    #!/bin/bash
    # Enable dual screen
    xrandr --addmode S-video 800x600
    xrandr --output S-video --mode 800x600 --right-of VGA-0
    Replace VGA-0 with your primary output name. You can also replace right with left.

    The two first scripts are taken from the Internet. I made the last one myself. It requires you to add "Virtual" option to xorg.conf, like this:

    Code:
    Section "Screen"
        Identifier "Screen0"
        Device     "Card0"
        Monitor    "Monitor0"
        DefaultDepth    24
            SubSection "Display"
                    Virtual          2080 1024
            EndSubSection
    EndSection
    Calculate the virtual resolution like this: Sum the X resolution of S-Video (800) and your primary display (mine is 1280). Then compare the Y resolutions of your screen and S-Video (600) and pick the higher one (most likely your primary screen). Hope this helps.

    If these scripts give any errors, please run
    Code:
    sudo apt-get install xrandr
    Naturally you need to make the scripts executable:
    Code:
    sudo chmod +x /usr/bin/tvon
    sudo chmod +x /usr/bin/tvoff
    sudo chmod +x /usr/bin/dualscreen
    Well I a Linux noob but I gat a mirror image on the tv, so at least I can watch Movies thnx bud..If I knew what I wass doing Id say you post is rihgt on but I only used the dual screen setup comand for now

  9. #9
    Join Date
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    Texas
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    15,401
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    Ubuntu 14.04 Trusty Tahr

    Re: Ati Radeon and TV-out using S-Video

    Hi, this is an old thread so it has been closed, if you need help please start a new thread with a descriptive title.
    Thanks

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