1. Xorg configuration created by system-config-display
Section "ServerLayout"
    Identifier     "Multihead layout"
    Screen      0  "Screen0" 0 0
    Screen      1  "Screen1" LeftOf "Screen0"
    InputDevice    "Mouse0" "CorePointer"
    InputDevice    "Keyboard0" "CoreKeyboard"
    Option         "Xinerama" "off"
    Option         "Clone" "off"
    Option         "Twinview" "off"
    Option         "AIGLX" "true"
EndSection

Section "Files"
    ModulePath      "/usr/lib/xorg/modules/extensions/nvidia"
    ModulePath      "/usr/lib/xorg/modules"
EndSection

Section "Module"
    Load	"glx"
    Load	"extmod"
    Load   	"dri"
   Load 	"dbe"
EndSection

Section "InputDevice"

    # generated from default
    Identifier     "Mouse0"
    Driver         "mouse"
    Option         "Protocol" "auto"
    Option         "Device" "/dev/input/mice"
    Option         "Emulate3Buttons" "no"
    Option         "ZAxisMapping" "4 5"
EndSection

Section "InputDevice"
    Identifier     "Keyboard0"
    Driver         "kbd"
    Option         "XkbModel" "pc105"
    Option         "XkbLayout" "fr"
EndSection

Section "Monitor"
    Identifier     "Monitor0"
    VendorName     "Unknown"
    ModelName      "Unknown"
    HorizSync       30.0 - 110.0
    VertRefresh     50.0 - 150.0
    Option         "DPMS"
EndSection

Section "Monitor"
    Identifier     "Monitor1"
    VendorName     "Unknown"
    ModelName      "Unknown"
    HorizSync       30.0 - 110.0
    VertRefresh     50.0 - 150.0
    Option         "DPMS"
EndSection

Section "Device"
    Identifier     "Videocard0"
    Driver         "nvidia"
    BusID          "PCI:2:0:0"
    Screen          0
EndSection

Section "Device"
    Identifier     "Videocard1"
    Driver         "nvidia"
    BusID          "PCI:2:0:0"
    Screen          1
EndSection

Section "Screen"
    Identifier     "Screen0"
    Device         "Videocard0"
    Monitor        "Monitor0"
    DefaultDepth    24
    Option         "AllowGLXWithComposite" "true"
    Option         "AddARGBGLXVisuals" "true"
    SubSection     "Display"

        Viewport    0 0
        Depth       24
        Modes      "nvidia-auto-select"
     EndSubSection
EndSection

Section "Screen"
    Identifier     "Screen1"
    Device         "Videocard1"
    Monitor        "Monitor1"
    DefaultDepth    24
    Option         "AllowGLXWithComposite" "true"
    Option         "AddARGBGLXVisuals" "true"
    SubSection     "Display"

        Viewport    0 0
        Depth       24
        Modes      "nvidia-auto-select"
   	 
   EndSubSection
EndSection

Section "Extensions"
    Option         "Composite" "on"
EndSection

Section "DRI"
        Group        0
        Mode         0666
EndSection