Re: iBook G4 dual head

[Jamie Downs <jamie.downs@gmail.com>]

Thank you Jack, Amit and José for your quick response.
It works!

I have edited /etc/X11/xorg.conf
It now has Virtual 2304 768 as explained below by José

The command I use to enable dual head is
xrandr --output LVDS --mode 1024x768 --output VGA-0 --mode 1280x1024 --left-of LVDS


I'm still investigating ways to make the screen mode persistent after a reboot.
It seems like I need to write a bash script.

I also have sound working.
I've added this line to /etc/modules
snd-powermac

Regards
Jamie Downs

2009/5/8 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...

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