Dear Augusto, thanks to Wolfi my external VGA monitor is now working. The only nasty thing is, that the internal LCD monitor is flickering a bit if you use the external Display.
my configuration: iBook G4 833 Mhz Radeon Mobility 9200 You only have to trigger between: Screen "Default Screen" #Screen "External Screen" I attached my XF86Config. Hope that helps. Best wishes, Matze
# XF86Config-4 (XFree86 X Window System server configuration file)
#
# This file was generated by dexconf, the Debian X Configuration tool, using
# values from the debconf database.
#
# Edit this file with caution, and see the XF86Config-4 manual page.
# (Type "man XF86Config-4" at the shell prompt.)
#
# This file is automatically updated on xserver-xfree86 package upgrades *only*
# if it has not been modified since the last upgrade of the xserver-xfree86
# package.
#
# If you have edited this file but would like it to be automatically updated
# again, run the following commands as root:
#
# cp /etc/X11/XF86Config-4 /etc/X11/XF86Config-4.custom
# md5sum /etc/X11/XF86Config-4 > /var/lib/xfree86/XF86Config-4.md5sum
# dpkg-reconfigure xserver-xfree86
Section "Files"
FontPath "unix/:7100" # local font server
# if the local font server has problems, we can fall back on these
FontPath "/usr/lib/X11/fonts/Type1"
FontPath "/usr/lib/X11/fonts/CID"
FontPath "/usr/lib/X11/fonts/Speedo"
FontPath "/usr/lib/X11/fonts/misc"
FontPath "/usr/lib/X11/fonts/cyrillic"
FontPath "/usr/lib/X11/fonts/100dpi"
FontPath "/usr/lib/X11/fonts/75dpi"
EndSection
Section "Module"
Load "GLcore"
Load "bitmap"
Load "dbe"
Load "ddc"
# Load "dri"
Load "extmod"
Load "freetype"
Load "glx"
Load "int10"
Load "record"
Load "speedo"
Load "type1"
Load "vbe"
Load "xtt"
EndSection
Section "InputDevice"
Identifier "Generic Keyboard"
Driver "keyboard"
Option "CoreKeyboard"
Option "XkbRules" "xfree86"
Option "XkbModel" "macintosh"
Option "XkbLayout" "us"
EndSection
Section "InputDevice"
Identifier "Configured Mouse"
Driver "mouse"
Option "CorePointer"
Option "Device" "/dev/input/mice"
Option "Protocol" "ImPS/2"
Option "Emulate3Buttons" "true"
Option "ZAxisMapping" "4 5"
EndSection
Section "Device"
Identifier "Generic Video Card"
Driver "ati"
BusID "PCI:0:16:0"
# Screen 0
Option "UseFBDev" "true"
# Option "fbdev" "/dev/fb0"
Option "CrtcNumber" "1"
# Option "Flatpanel" "0"
EndSection
Section "Device"
Identifier "Generic Video Card1"
Driver "ati"
BusID "PCI:0:16:0"
# Screen 1
Option "UseFBDev" "false"
# Option "fbdev" "/dev/fb0"
Option "CrtcNumber" "0"
Option "Flatpanel" "0"
EndSection
Section "Monitor"
Identifier "Generic Monitor"
HorizSync 28-49
VertRefresh 43-72
# DisplaySize 260 195
Option "DPMS"
EndSection
Section "Monitor"
Identifier "External Monitor"
# HorizSync 30-85
# VertRefresh 50-75
Option "DPMS"
EndSection
Section "Screen"
Identifier "Default Screen"
Device "Generic Video Card"
Monitor "Generic Monitor"
DefaultDepth 24
SubSection "Display"
Depth 24
Modes "1024x768" "800x600" "640x480"
EndSubSection
EndSection
Section "Screen"
Identifier "External Screen"
Device "Generic Video Card1"
Monitor "External Monitor"
DefaultDepth 24
SubSection "Display"
Depth 24
# Modes "1280x1024" "1152x864" "1024x768" "800x600"
"640x480"
Modes "1024x768" "800x600" "640x480"
EndSubSection
EndSection
Section "ServerLayout"
Identifier "Default Layout"
# Screen 0 "External Screen" 0 0
Screen "Default Screen"
# Screen "External Screen" RightOf "Default Screen"
# Screen "External Screen"
# Screen "Default Screen" RightOf "External Screen"
InputDevice "Generic Keyboard"
InputDevice "Configured Mouse"
Option "Xinerama" "True"
EndSection
#Section "DRI"
# Mode 0666
#EndSection
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