Re: Re: Full clone alubook ==> VGA [was Re: Plug and Play for external monitors on latest alubooks?]

["Benoit Chesneau" <bchesneau@gmail.com>]

I've made a little howto (mostly not about my own experience) to use
mergedfb. This is for a powerbook 5,6 (alubook 02/2005) but it should
work for you too :

ftp://ftp.archlinuxppc.org/other/misc/dualhead-powerbook56/radeon-hacked

Hope it will help you.


Benoit Chesneau

On 8/25/06, Michel Dänzer <daenzer@debian.org> wrote:
> On Fri, 2006-08-25 at 16:24 +0200, Wolfgang Pfeiffer wrote:
> >
> > I have another problem now: I can clone my alubook5,8 KDE-screen (not
> > the console, I'm sorry)
>
> Yeah, radeonfb doesn't support multiple outputs yet.
>
>
> > need to move the mouse on the alubook to see the rest of the alu
> > screen on the VGA: Is the only available solution for that to scale
> > down the aluscreen from currently 1440x960 to, e.g., 1024x768?
>
> You can't scale it down, you'll have to set the virtual resolution to
> 1024x768, e.g. using xrandr. Of course, this requires setting up an
> appropriate MetaMode in xorg.conf as well.
>
> Not sure why you can't get the external display up at 1280x1024, the
> EDID seems to confirm it supports that. Could be the screwy MergedFB
> code.
>
>
> >         Option                "BackingStore"          "True"
>
> Don't enable backing store, it's slow and broken.
>
>
> --
> Earthling Michel Dänzer           |          http://tungstengraphics.com
> Libre software enthusiast         |          Debian, X and DRI developer