Matrox G450 Dual Head

[Dana J. Laude]

Just a FYI,

I just moved over to kubuntu from SuSE 10.0 and got my dual-head setup
working just fine.  Here's my working xorg.conf.

<snip>
# /etc/X11/xorg.conf (xorg 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 /etc/X11/xorg.conf manual 
page.
# (Type "man /etc/X11/xorg.conf" at the shell prompt.)
#
# This file is automatically updated on xserver-xorg package upgrades 
*only*
# if it has not been modified since the last upgrade of the 
xserver-xorg
# package.
#
# If you have edited this file but would like it to be automatically 
updated
# again, run the following command:
#   sudo dpkg-reconfigure -phigh xserver-xorg

Section "Files"
        FontPath        "/usr/share/X11/fonts/misc"
        FontPath        "/usr/share/X11/fonts/cyrillic"
        FontPath        "/usr/share/X11/fonts/100dpi/:unscaled"
        FontPath        "/usr/share/X11/fonts/75dpi/:unscaled"
        FontPath        "/usr/share/X11/fonts/Type1"
        FontPath        "/usr/share/X11/fonts/CID"
        FontPath        "/usr/share/X11/fonts/100dpi"
        FontPath        "/usr/share/X11/fonts/75dpi"
        # paths to defoma fonts
        FontPath        
"/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType"
        FontPath        "/var/lib/defoma/x-ttcidfont-conf.d/dirs/CID"
EndSection

Section "Module"
        Load    "GLcore"
        Load    "i2c"
        Load    "bitmap"
        Load    "ddc"
        Load    "dri"
        Load    "extmod"
        Load    "freetype"
        Load    "glx"
        Load    "int10"
        Load    "type1"
        Load    "vbe"
EndSection
Section "InputDevice"
        Identifier      "Generic Keyboard"
        Driver          "kbd"
        Option          "CoreKeyboard"
        Option          "XkbRules"      "xorg"
        Option          "XkbModel"      "pc104"
        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      "Matrox Graphics, Inc. MGA G400 AGP"
        Driver          "mga"
        BusID           "PCI:2:0:0"
        Screen 0
EndSection

Section "Device"
        Identifier      "Matrox Graphics, Inc. MGA G400 AGP_2"
        Driver          "mga"
        BusID           "PCI:2:0:0"
        Screen 1
EndSection

Section "Monitor"
        Identifier      "Sylvania"
        Option          "DPMS"
        HorizSync       30-69
        VertRefresh     50-90
EndSection

Section "Monitor"
        Identifier      "ViewSonic"
        Option          "DPMS"
        HorizSync       30-70
        VertRefresh     50-120
EndSection
Section "Screen"
        Identifier      "Sylvania"
        Device          "Matrox Graphics, Inc. MGA G400 AGP"
        Monitor         "Sylvania"
        DefaultDepth    24
        SubSection "Display"
                Depth           1
                Modes           "1280x1024" "1024x768" "832x624" 
"800x600" "720x400" "640x480"
        EndSubSection
        SubSection "Display"
                Depth           4
                Modes           "1280x1024" "1024x768" "832x624" 
"800x600" "720x400" "640x480"
        EndSubSection
        SubSection "Display"
                Depth           8
                Modes           "1280x1024" "1024x768" "832x624" 
"800x600" "720x400" "640x480"
        EndSubSection
        SubSection "Display"
                Depth           15
                Modes           "1280x1024" "1024x768" "832x624" 
"800x600" "720x400" "640x480"
        EndSubSection
        SubSection "Display"
                Depth           16
                Modes           "1280x1024" "1024x768" "832x624" 
"800x600" "720x400" "640x480"
        EndSubSection
        SubSection "Display"
                Depth           24
                Modes           "1280x1024" "1024x768" "832x624" 
"800x600" "720x400" "640x480"
        EndSubSection
EndSection

Section "Screen"
        Identifier      "ViewSonic"
        Device          "Matrox Graphics, Inc. MGA G400 AGP_2"
        Monitor         "ViewSonic"
        DefaultDepth    24
        SubSection "Display"
                Depth           1
                Modes           "1280x1024" "1024x768" "832x624" 
"800x600" "720x400" "640x480"
        EndSubSection
        SubSection "Display"
                Depth           4
                Modes           "1280x1024" "1024x768" "832x624" 
"800x600" "720x400" "640x480"
        EndSubSection
        SubSection "Display"
                Depth           8
                Modes           "1280x1024" "1024x768" "832x624" 
"800x600" "720x400" "640x480"
        EndSubSection
        SubSection "Display"
                Depth           15
                Modes           "1280x1024" "1024x768" "832x624" 
"800x600" "720x400" "640x480"
        EndSubSection
        SubSection "Display"
                Depth           16
                Modes           "1280x1024" "1024x768" "832x624" 
"800x600" "720x400" "640x480"
        EndSubSection
        SubSection "Display"
                Depth           24
                Modes           "1280x1024" "1024x768" "832x624" 
"800x600" "720x400" "640x480"
        EndSubSection
EndSection

Section "ServerLayout"
        Identifier      "Default Layout"
        Screen          "Sylvania"
        Screen          "ViewSonic" RightOf "Sylvania"
        InputDevice     "Generic Keyboard"
        InputDevice     "Configured Mouse"
        Option "Xinerama" "on"
EndSection

Section "DRI"
        Mode    0666
EndSection
</snip>

Hope this helps someone!

Dana