Three-monitor duble nvidia GF430 video card xorg.conf

Section "ServerLayout"

# Removed Option "Xinerama" "0"
    Identifier     "Layout0"
    Screen      0  "ScreenL" LeftOf "ScreenC"
    Screen      1  "ScreenR" RightOf "ScreenC"
    Screen      2  "ScreenC" 1280 0
    InputDevice    "Keyboard0" "CoreKeyboard"
    InputDevice    "Mouse0" "CorePointer"
    Option         "Xinerama" "1"
EndSection

Section "Files"
EndSection

Section "InputDevice"

    # generated from data in "/etc/conf.d/gpm"
    Identifier     "Mouse0"
    Driver         "mouse"
    Option         "Protocol"
    Option         "Device" "/dev/input/mice"
    Option         "Emulate3Buttons" "no"
    Option         "ZAxisMapping" "4 5"
EndSection

Section "InputDevice"

    # generated from default
    Identifier     "Keyboard0"
    Driver         "kbd"
EndSection

Section "Monitor"
    Identifier     "MonitorC"
    VendorName     "Acer"
    ModelName      "V223HQV"
    HorizSync       31.0 - 83.0
    VertRefresh     56.0 - 76.0
    Option         "DPMS"
EndSection

Section "Monitor"
    Identifier     "MonitorL"
    VendorName     "Samsung"
    ModelName      "SyncMaster 913N"
    HorizSync       30.0 - 83.0
    VertRefresh     56.0 - 75.0
    Option         "DPMS"
EndSection

Section "Monitor"
    Identifier     "MonitorR"
    VendorName     "LG"
    ModelName      "L1753TR"
    HorizSync       30.0 - 83.0
    VertRefresh     56.0 - 75.0
    Option         "DPMS"
EndSection

Section "Device"
    Identifier     "DeviceC"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BoardName      "GeForce GT 430"
    BusID          "PCI:7:0:0"
    Screen          1
EndSection

Section "Device"
    Identifier     "DeviceL"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BoardName      "GeForce GT 430"
    BusID          "PCI:4:0:0"
EndSection

Section "Device"
    Identifier     "DeviceR"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BoardName      "GeForce GT 430"
    BusID          "PCI:7:0:0"
    Screen          0
EndSection

Section "Screen"
    Identifier     "ScreenC"
    Device         "DeviceC"
    Monitor        "MonitorC"
    DefaultDepth    24
    Option         "TwinView" "0"
    Option         "metamodes" "1920x1080 +0+0"
    #Option     "TwinViewXineramaInfoOrder"
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection

Section "Screen"
    Identifier     "ScreenL"
    Device         "DeviceL"
    Monitor        "MonitorL"
    DefaultDepth    24
    Option         "TwinView" "0"
    Option         "metamodes" "1280x1024 +0+0"
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection

Section "Screen"
    Identifier     "ScreenR"
    Device         "DeviceR"
    Monitor        "MonitorR"
    DefaultDepth    24
    Option         "TwinView" "0"
    Option         "metamodes" "1280x1024 +0+0"
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection

Section "Extensions"
    Option         "Composite" "Disable"
EndSection