Re: VGA out (mirror) on PowerBook IV (radeon 9000 M9)
On Wed, 2003-08-27 at 17:01, Jamie Wilkinson wrote:
> This one time, at band camp, Jamie Wilkinson wrote:
> >The CRT seems to only work if I reboot the tibook with the external monitor
> >plugged in; plugging it in right away seems to not recognise that the DVI is
> >being used.
>
> Ah, fixed this one by putting
>
> Option "MonitorLayout" "LVDS,CRT"
>
> into the Device section for the radeon.
>
> >Anyway, now I've got the picture on the CRT, it's garbled, as if the horz
> >and vert sync rates are wrong; this is for both text mode on the framebuffer
> >and in X (in 1280x854 and 1024x768 modes).
>
> And fixed this one by commenting out the
>
> Option "UseFBDev" "true"
>
> in the same section, and commenting out
>
> Modes "1280x854" ...
>
> in the Screen section.
>
> Now to work out why the external monitor is only running at 800x600 when I
> know it can run at 1024x768.
The fact that you need Option "MonitorLayout" indicates that DDC doesn't
work for the external CRT, so you probably need to specify its
capabilities with
Option "CloneHSync" "30.0‐86.0"
Option "CloneVRefresh" "50.0‐120.0"
(the values are only examples of course)
--
Earthling Michel Dänzer \ Debian (powerpc), XFree86 and DRI developer
Software libre enthusiast \ http://svcs.affero.net/rm.php?r=daenzer
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