Re: iBook G4 dual head

[José JORGE <lists.jjorge@free.fr>]

A Friday 8 May 2009 03:36:23, Jamie Downs escreveu:
> I'd like to run it in dual head mode with the external monitor at
> 1200x1024.

You must indicate in the xorg.conf that you want to use a virtual screen 
bigger than your laptop's one. Here is what I have for two 1024x768 screens 
side by side.

Section "Screen"
    Identifier "screen1"
    Device "device1"
    Monitor "monitor1"
    SubSection "Display"
            Virtual 2048 768
    EndSubSection
EndSection

You will need 1280+1024 (I suppose a typo in the 1200) horizontaly so :

Virtual 2304 1024

Than as said you can get it OK with something like (my own script, adapt to 
your config) :

        xrandr --addmode VGA-1  1024x768
        xrandr --output VGA-1 -s 1024x768
        xrandr --output VGA-1 --auto
        xrandr --output VGA-1 --right-of LVDS


You may have some problems with 3D (DRI) as 2304 > 2048...