[mythtv-users] NVIDIA 720p == Overscan Slider; 1080i != Overscan slider?

Nick Rout nick.rout at gmail.com
Sun Nov 28 20:38:39 UTC 2010


On Mon, Nov 29, 2010 at 9:28 AM, tortise <tortise at paradise.net.nz> wrote:
> I got a new Panasonic Plasma 42" TH-P42V20Z.  Its a 1080p screen, some specs
> at http://www.panasonic.co.nz/viera/plasma/th-p42v20z.html, including it
> says
>
> "Applicable PC signals VGA, WVGA, SVGA, XGA, WXGA, SXGA, 1920 x 1080"
>
> which suggests to me I should be able to get pixel mapped 1920x1080
> presumably over a VGA cable.  I wish!  I can get pixel mapped 1024x768 at 85Hz,
> but not much better over a VGA cable.
>
> I updated the screen firmware from 3.205 to 3.500.  No help.
>
> I finally found the overscan option switch off, which works when using
> component, so fixed for this screen.
>
> Previously I've been using a 720p input CRT via component up to now, and the
> overscan slider in the GUI worked well.  Also does on the new Panasonic.
>  However bumping it up to 1080i the GUI slider disappears(!)  I don't recall
> comments about that although I do recall people not being able to find it!
>  Anyone else noticed this in the context of being present in 720p but not
> with 1080i?
>
> The card in question is a 8500GT with 512M RAM.  (More RAM needed for slider
> in 1080i?)  I'm running nvidia 260.19.21.

Many tv's have different capabilities over VGA vs component vs HDMI. I
have found HDMI to be the most accomodating. Have you tried it?
(Assuming your 8500 has a DVI or HDMI socket).


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