[mythtv-users] fglrx Pal, 50Hz

cardboil cardboil at gmail.com
Wed Dec 21 10:45:29 EST 2005

I'd been struggling with a similar issue in my machine (ATI Mobility Radeon
X300 with S-Video out), using the fglrx driver.

The key was to include the following options my my xorg.conf (I am on Myth
SVN on FC4):

Option "VideoOverlay" "on"
Option "DesktopSetup" "clone"
Option "OverlayOnCRTC2" "1"

Of course, this means that you will get good video (with xv support) on the
TV, but a blue screen on your primary display (monitor or, in my case,
laptop LCD).

After much googling, I found these critical settings through
http://suslikcentral.blogspot.com (posting on Dec 14, 2005).  Hope this

On 12/19/05, Micha Kersloot <micha at kovoks.nl> wrote:
> Hi,
> I'm using the ati fglrx driver 8.19.10 which gives me quite a good
> picture. The only thin that bugs me a little is that when i'm watching
> tv and something is moving quite fast on the screen there seems to be a
> little lag on that object (the same thing you see when you wave your
> hand very fast in front of your eyes).
> I think from what i've read sofar this could have something to do with
> 'deinterlace'. Is that true?
> If that is the case, it looks like the deint functions are not working
> very well in my configuration. I think that the fact that i'm living in
> the Netherlands (PAL) and the fglrx driver using 60Hz could be the
> reason for these bad deint effects, true?
> If above is true, is it possible to use my Ati Radeon 9600 in a 50Hz
> configuration (maybe another / older driver?)
> --
> Met vriendelijke groet,
> Micha Kersloot
> Op de hoogte blijven? Schrijf je nu in voor de nieuwsbrief!
> http://www.kovoks.nl/index.phtml?table=contactnbrf
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