Re: [gentoo-user] Outputing 15.9kHz?

[Grant <emailgrant@gmail.com>]

> > I'm using the modeline from this link:
> >
> > http://www.sput.nl/hardware/tv-x.html
> >
> > and my xorg.conf looks like this:
> >
> > Section "Monitor"
> >         Identifier "monitor1"
> >         Modeline "736x485i" 14.16 736 760 824 904 485 491 496 525
> > interlace -hsync -vsync
> > EndSection
> > [...]
> >
> > When I try to open an xfce4 desktop like this, the image is somewhat
> > scrambled and constantly rolls on the TV.  It looks normal on a
> > monitor with the same settings.
>
> OK, that "rolling" is bad sync.
>
> > /var/log/Xorg.0.log reports this:
> >
> > (II) I810(0): monitor1: Using default hsync range of 28.00-33.00 kHz
>
> That's the culprit. You need to override defaults (TVs don't usually
> have DDC, such no automatic detection) for hsync/vsync. Add a
> "HorizSync" line to your xorg.conf:
>
> Section "Monitor"
>         ...
>         HorizSync 19.00-20.00
>         ...
> EndSection

I always seem to get hsync out of range errors trying to go this low.
I guess my card can't go as low as necessary.

- Grant
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