[mythtv-users] Vizio LCD native resolution problem over DVI->HDMI

[Byron Poland]

On Mon, May 12, 2008 at 1:29 PM, Richard Shaw <hobbes1069 at gmail.com> wrote:
> I'm currently using a VGA cable from a KVM to get 1360x768 at 60. The
> native resolution is 1366x768 but apparently Nvidia card need the
> resolution to be divisible by 8. I'm trying to get the DVI->HDMI cable
> working but I've run into a couple of issues.
>
> I can get X/Nvidia to validate a mode for "1360x760_60" but the TV
> says there is no signal. If I change it to "1280x720_60" then it works
> fine. It seems strange that the driver thinks it's fine but the TV
> will not display a resolution that works fine over VGA. The only
> ValidationMode option I'm using is the "NoNativeWidthCheck" or
> something like that.
>
> I'd really like to take the crappy VGA cable out of the equation. Any Ideas?
>
> Thanks,
> Richard
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My Vizio only takes tv resolutions (like 720p) from the hdmi port.  If
you use the nvidia 720p mode it will work... however I experienced
major overscan with that.  I ended up going back to the native
resolution with the vga cable, and I'm much happier with that.