Fwd: [mythtv-users] Re: Trouble getting component outputs to work with nVidia 6200

Sat, 08 Oct 2005 11:52:14 -0700



On 10/6/05, Thom Sturgill < [EMAIL PROTECTED]> wrote:
Actually, the first parameter after the name is the pixel-clock, and while it affects the horizontal sync it is not  the actual HorizontalSync  value.  My system accepts  a Horizontal Sync range starting at 30.

I raised the pixel clock to 26.9 and achieved 30.1, which made this mode acceptable (I did this remotely, so I don't know what it looks like yet) I hope it will fix the overscan problem.


On 10/5/05, Alan Anderson < [EMAIL PROTECTED] > wrote:
I am far from an expert but I have been twiddling with this myself.  The first
paramater 26.625 on your mode line needs to be in the HorizSync range  it is
not.


>Section "Monitor"
> Identifier "Monitor0"
> VendorName "Some Vendor"
> ModelName "HDTV"
> HorizSync 31.5 - 37.9
> VertRefresh 59.9 - 60.1
> ModeLine "720x480" 26.625 720 752 824 896 480 481 484 497 -hsync
>-vsync
>Now, at first, this failed completely, and X wouldn't even start. After
>checking out my Xorg.0.log file, I saw that it didn't like the hsync
>range of my 720x480 Mode. However, it did like the default 800x600
>mode.! So, just for fun, I changed

Change the first paramatere to  be in the HorzSync range (or adjust the
HotrzSync range) and restart X and then look at the Xorg.0.log to see if the
720x480 is acceptable.  Then if its acceptable try to use it.


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--
--Thom Sturgill
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Sorry it's been so long to get back to you all, but I've finally gotten my component output to work correctly with my HDTV (I was testing in on my computer's monitor via its component inputs before). Once again, I booted using a Windows drive, ran Powerstrip, and found the correct modeline for it (1280x720, 720p). With a few tweeks to my xorg.conf file, I now have it working in glorious 720p (the best my HDTV will do)! Here's what my xorg.conf looks like now:

----------------------------------------------------------------

Section "Monitor"
        Identifier   "Monitor0"
        VendorName   "Monitor Vendor"
        ModelName    "Dell 2405FPW (Analog)"
        DisplaySize  520        330
        HorizSync    30.0 - 81.0
        VertRefresh  56.0 - 76.0
#       Option      "dpms"
        ModeLine "1280x720_panasonic" 74.250 1280 1376 1424 1648 720 725 730 750
 +hsync +vsync
EndSection

Section "Device"
        Identifier  "Videocard0"
        Driver      "nvidia"
        Option      "NvAGP" "3"
        Option      "TVStandard" "HD720p" 
        # force card to use svideo dongle
        Option      "TVOutFormat" "SVIDEO"
        Option      "TVOverScan" "0.0"
        # for svideo with dongle
        Option      "ConnectedMonitor" "TV"
        Option      "NoDDC"
        VendorName  "Gigabyte"
        BoardName   "nVidia GeForce 6200"
        BusID       "PCI:1:0:0"
EndSection

Section "Screen"
        Identifier "Screen0"
        Device "Videocard0"
        Monitor "Monitor0"
        DefaultDepth 24
        SubSection "Display"
                Depth 24
                Modes "1280x720_panasonic"
        EndSubSection
        Option "TVStandard" "HD720p"
        Option "ConnectedMonitor" "TV"

EndSection

--------------------------------------------------------------------------

Thanks again to everyone for their help. Now, since regular TV looks so crappy at 720p, I'm off to start installing my pcHDTV 3000 card :)

Mark
 
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