[mythtv-users] 16:9 video playback cutting off 10% on right side

[mythtv at varga.co.uk]

> System specs:
>
> Myth 0.18
> Nvidia FX5200, 7667 drivers
> 2x HD-3000 capture card
> 800x600 through TV-out over s-video.
>
> I had my Myth system setup and everything was working great...until the
> fan on the video card went bad and the system started locking up.
>
> I was using a Nvidia 6200 AGP video card but I replaced it with a
> fanless FX5200 card. After I replaced the video card and rebooted, the
> Myth interface looked exactly the same as before, filling the screen
> with very little overscan. I then attempted to playback some recorded TV
> and discovered that on 16:9 material, at least 10-15% of the picture is
> missing on the right side. 4:3 material seems to work fine.
>
> This did not happen with the 6200 card. I didn't change any settings in
> .nvidia-settings-rc or in XF86Config-4, so I don't know what's causing
> this. Does anybody have any ideas?

Different video cards sit the screen in slightly different places, it's
just a fact of life. You'll need to tinker with the modeline in the
XF86Config-4 file, just take it slowly.