[23857628]

My config:

Section "Device"
    Identifier      "GeForce"
    Driver          "nvidia"
    VendorName      "nVidia Corporation"
    BoardName       "GeForce 6800 GS"
    BusID           "PCI:1:0:0"
    Option          "DynamicTwinView" "true"
    Option          "AllowGLXWithComposite" "true"
    Option          "NvAgp" "1"
    Option          "RenderAccel" "true"
    Option          "NoLogo"
EndSection

Section "Screen"
    Identifier     "Screen"
    Device         "GeForce"
    Monitor        "SyncMaster"
    Option         "metamodes" "1280x1024_75 +0+0; 1280x1024 +0+0"
EndSection

Thank you for pointing out the typo