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Re: getting wireless and dvi out (clone mode) to work on iBook G4 - help needed, plz



Hi

On Thu, Nov 29, 2007 at 12:55:32AM +0100, Wolfgang Pfeiffer wrote:
> On Wed, Nov 28 2007, at 10:59 -0500, P Kapat wrote:
> > Hi Elimar,
> > 
> > On 11/27/07, Elimar Riesebieter <riesebie@lxtec.de> wrote:
> > > On Wed, 21 Nov 2007 the mental interface of
> > > P Kapat told:
> > >
> > > [...]
> > > > Similarly, I have tried different configurations for xorg.conf (from
> > > > other distros and general googling) to mirror the LCD screen to a
> > > > projector in clone mode - no results, hence I am here.
> > >
> > > I was adviced to have a look at
> > >
> > > http://wiki.debian.org/XStrikeForce/HowToRandR12
> > 
> > Thanks for the link, it is indeed very helpful. Wish I had seen this
> > link before going through all the trouble... I have bookmarked it now
> > :)
> 
> Or simply searching the archives of the xorg-driver-ati mailing list,
> with a Google search like:
> site:lists.x.org/archives/xorg-driver-ati/ <your search pattern>
> 
> And just in case someone could use it:
> 
> I didn't find the following via Google, but in the ati driver sources:
> It seems it's impossible to have the complete content of the LCD
> screen mirrored on an external monitor, as long as the LCD is switched
> on.
> 
> So I do something like this to get the complete LCD content mirrored
> to an old VGA: 
> 
> xrandr --output DVI-0 --mode 1280x1024 --rate 60.0
> xrandr --output LVDS --off
> 
> After executing the first line, the LCD content is cloned partially to
> the VGA, i.e. about 10% of the LCD content is missing on the VGA
> screen. This is fixed as soon as I switch off the LCD with the 2nd
> line.

AFAIK it's not necessary to switch off the LVDS. You just have to change
it to the same resolution as the DVI-0 output. X automatically uses the
smallest possible resolution which fits all displays.

Gaudenz
-- 
Ever tried. Ever failed. No matter.
Try again. Fail again. Fail better.
~ Samuel Beckett ~



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