Ati s-video and vga Ubuntu 12.04

Isak Enström isak.enstrom at
Sat May 5 19:44:12 UTC 2012

2012/5/5 Jonas Norlander <jonorland at>

> 2012/5/5 Dennis Linux <frankie-1 at>:
> > Dear Linux users,
> >
> > The s-video from my Ati Radeo 9250 give's me 800x600 resolution with no
> good
> > fit to my crt Philips screen in Ubuntu 12.04 and Kubuntu.
> > When i use the vga port there's no problem with the resolution.
> > How can i get a beter resolution with my s-video connection?
> > The screen doesn't recognize my tv.
> >
> I found this forum thread containing some useful information.
> --
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Unfortunately 800x600 is the highest possible resolution for s-video with
the open source radeon drivers. Since your card is no longer supported by
AMD you're out of luck getting a higher resolution, but you can use
extended desktop with the help of xrandr (man xrandr in a terminal).

To use extended desktop I run this command:
xrandr --output S-video --mode 800x600 --right-of LVDS --output LVDS --auto

LVDS is the name of my laptop screen so you need to adjust to whatever you
are using.

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