from http://www.mythtv.org/wiki/index.php/Mo ... r_ModePool



is this correct? every time i try to include the _frequency (ie 50 as i live in australia), i get an invalid mode and the driver sets x to default. it works perfectly fine however if i just use the resolution (so 720x576). i wanted to try this to see if adding _50 would improve my picture. the reason for is that my tv standard needs to be set to HD576i.

of course it may not improve my picture at all... but i was wondering if the wiki page was correct.

im correcting from a gf7300gt via component (hence the need to use HD576i rather than pal.. as component cannot be used if pal is selected as the tv standard - well.. according to the nvidia readme it cant) to a crt tv.

There is an override you need to set. It should be discussed on that page or one of the ones it points to...

Yeah, I couldn't get that to work either. In the document it says "for 8XXX series and up" and my card is a 7XXX series. Maybe that's the reason it doesn't work for me.

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As tjc mentioned, keep reading that document. I believe you are looking for "AllowNon60HzDFPModes".

Not exactly - "Versions of the Nvidia driver from the 8xxx series upwards use a built in list of modelines." - So the HRxVR_Freq directive *should* work with your 7XXX card (at least, it's valid with driver 9755 on my FX5500)

Odd -- mine would not respond to the "pool" designations for 60 Hz modes, let alone non-60 Hz ones. It just behaved as though I'd asked for a modeline that it never heard of. And I'm using the very latest driver on my GeForce 7xxx card.

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im not sure if i mentioned it, but the xorg.conf file im using is only slightly modified to the sample.tv.out one included with knoppmyth.

can i ask you wrote the sample xorg.conf? a nice improvement may be to include the option TJC decribed, quoted out if necessary.

Check out this post in the feature request thread.
http://mysettopbox.tv/phpBB2/viewtopic. ... c&start=21
increasing the verbosity should show you all of the modelines that your TV is reporting as well as why it is rejecting modelines.

Hmm, I wonder if you have EDID disabled? I don't get any of the HRxVR_Freq modes verified if I have the "UseEDID" directive set to False ("No valid modes, using nvidia-auto-select" or some such).