You mentioned to have me check if my xorg was actually using that line,
how do I make it use it?  Just have that the only one in there?

        Down in the 'Screen' section, you need to have stuff like:

Section "Screen"
        Identifier "Screen0"
        Device     "Videocard0"
        Monitor    "Monitor0"
        DefaultDepth     24
        SubSection "Display"
                Viewport   0 0
                Depth     16
                Modes    "ATSC-480-60p" "800x600" "640x480"
        EndSubSection
EndSection

The label is arbitrary but it has to match your modeline definition. Make sure that it's used in the /var/log/Xorg.0.log. Most likely it'll say something like "Not using Modeline 'ATSC-480-60p' HSync out of range' You'll need to redefine your monitors sync range to be NTSC-friendly.... something like this is what mine says:

Section "Monitor"
        Identifier   "Monitor0"
        VendorName   "Monitor Vendor"
        ModelName    "Dell D1626HT"
        DisplaySize  380        290
        HorizSync    30.0 - 95.0
        VertRefresh  50.0 - 160.0
...

The "HorizSync 30.0 - 95.0" needs to include 15.734kHz or X will protect you from yourself. Change it to "15-64" or something...

Note that a VGA monitor won't sync that low (garbled picture), and could possibly damage it... don't connect one when using that modeline if worried.

-Cory

*************************************************************************
* Cory Papenfuss                                                        *
* Electrical Engineering candidate Ph.D. graduate student               *
* Virginia Polytechnic Institute and State University                   *
*************************************************************************

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