[mythtv-users] How can I fix over scan on nvidia 9500 GT

Josh White jaw1959 at gmail.com
Thu Jan 28 03:41:45 UTC 2010

On Wed, Jan 27, 2010 at 10:33 PM, MythTV <mythtv at ncc1701.serveftp.net>wrote:

> >
> > I have an HDTV with a few hdmi ports.  I have a 9500 GT nvidia card
> > and=20
> > am using a DVI to HDMI cable to connect to the TV.  I have serious
> > over=20
> > scan that I have fixed for the most part with customer setting in the
> > appearance section of the set up menus.  This works but is not really
> > what I want.  I got the EDID information when X starts up and created
> > a=20
> > customer xorg.conf file but it did not seem to make any difference.
> >
> > Here is a copy of my xorg.conf file
> > # Xorg configuration created by livna-config-display
> [snip]
> I experimented at one time with defining a resolution and frequencies
> for 1080p output,
> the display showed '1080p' as the input format, but the result was
> always excessive overscan.
> When I use the correct panel resolution and frequencies, the display
> shows 'PC' as the input
> format, and displayed without any overscan.
> What is your TV? Model? Native Resolution? Unless something is wrong
> with your EDID,
> a custom modeline will very rarely prove advantageous.
> Can you run "X :0 -probeonly -logverbose 6" and post the output?  On
> Ubuntu, output
> will probably go to /var/log/Xorg.0.log
> BTW, I used an NVIDIA card, so it mostly took care of all the resolution
> and timing
> transparently, and did a very good job.  You might consider upgrading
> unless you are
> particularly fond of ATI for some reason.
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On my samsung HDTV, I had to set the input type to "PC" and the overscan
went away.  Where I set this, appeared that all I was doing was setting a
descriptive label, but apparently it goes deeper than that.  Good luck.
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