[mythtv-users] Ati 9100IGP to PAL tv help

Gert van der Knokke gertk at xs4all.nl
Wed Sep 13 21:48:31 UTC 2006

Chris Martin schreef:
> On 9/4/06, Chris Martin <council.tax at gmail.com> wrote:
>>> Here's mine - I'm running on Gentoo with the latest xorg release, but
>>> these options should be okay.  The important things are (I think) the
>>> driver (open source only, as the ATI version doesn't support forcing the
>>> minimum dot clock), the ForceMinDotClock option, and the modeline
>>> (especially the composite & interlaced options).
>>> HTH,
>>>         Robin
>> Thnaks Robin, I had a go with your xorg.conf but still no joy
>> (although I now get a black screen rather than interference so I guess
>> that's progress). It is possible that the vga->scart cable I have is
>> unsuitable as, lacking the skills to build my own, I bough one off
>> ebay.  Still if anyone has any more modelines for me to try they'd be
>> gratefully received.
>> Chris
> Just as a follow up to this I found out that if I press the 'teletext'
> button on my remote control while tuned into the av channel I get a
> perfect picture showing my x session (with some teletext stuff
> superimposed) although the load humming noise remains (which is odd
> because the cable I am using has no audio input).  Does anyone have
> any idea why this might be happening (cable, tv, computer) and if
> there's anything I could try to fix it?
This sounds like the signal 'CSYNC' generated in the VGA-RGB converter
is connected to an audio input (pin 1 or 5 of the SCART plug) instead of
pin 19 of your SCART plug.


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