Multiseat xorg_seat0.conf

Section "ServerLayout"
    Identifier     "DualHead"
    Screen      0  "Screen0" 0 0
    Screen      1  "Screen1" RightOf "Screen0"
    Option         "Xinerama" "0"
EndSection

Section "ServerFlags"
        Option "AutoAddGPU" "FALSE"
EndSection

Section "Device"
    Identifier     "Device0"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BoardName      "GeForce GT 430"
    BusID          "PCI:1:0:0"
    Screen          0
EndSection

Section "Device"
    Identifier     "Device1"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BoardName      "GeForce GT 430"
    BusID          "PCI:1:0:0"
    Screen          1
EndSection

Section "InputClass"
    Identifier "ignore_other_seats"
    Option "Ignore" "yes"
EndSection

Section "InputClass"
    Identifier "input_default"
    MatchTag "input_default"
    Option "Ignore" "no"
EndSection

Section "Monitor"
    Identifier     "Monitor0"
    VendorName     "Unknown"
    ModelName      "Gateway HX2000"
    HorizSync       31.0 - 83.0
    VertRefresh     56.0 - 76.0
    Option         "DPMS"
EndSection

Section "Monitor"
    Identifier     "Monitor1"
    VendorName     "Unknown"
    ModelName      "DELL 1907FPV"
    HorizSync       30.0 - 81.0
    VertRefresh     56.0 - 76.0
    Option         "DPMS"
EndSection

Section "Screen"
    Identifier     "Screen0"
    Device         "Device0"
    Monitor        "Monitor0"
    DefaultDepth    24
    Option         "NoLogo" "True"
    Option         "Coolbits" "5"
#    Option         "DoubleBuffer" "True"
    Option         "TripleBuffer" "True"
    Option         "TwinView" "0"
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection

Section "Screen"
    Identifier     "Screen1"
    Device         "Device1"
    Monitor        "Monitor1"
    DefaultDepth    24
    Option         "TwinView" "0"
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection