Section "ServerLayout"
    Identifier  "Layout0"
    Option      "AutoAddDevices" "false"
    Option      "AutoAddGPU" "false"
EndSection

Section "Device"
    Identifier  "DiscreteNvidia"
    Driver      "nvidia"
    VendorName  "NVIDIA Corporation"

#   If the X server does not automatically detect your VGA device,
#   you can manually set it here.
#   To get the BusID prop, run `lspci | egrep 'VGA|3D'` and input the data
#   as you see in the commented example.
#   This Setting may be needed in some platforms with more than one
#   nvidia card, which may confuse the proprietary driver (e.g.,
#   trying to take ownership of the wrong device). Also needed on Ubuntu 13.04.
    BusID "PCI:01:00:0"

#   Setting ProbeAllGpus to false prevents the new proprietary driver
#   instance spawned to try to control the integrated graphics card,
#   which is already being managed outside bumblebee.
#   This option doesn't hurt and it is required on platforms running
#   more than one nvidia graphics card with the proprietary driver.
#   (E.g. Macbook Pro pre-2010 with nVidia 9400M + 9600M GT).
#   If this option is not set, the new Xorg may blacken the screen and
#   render it unusable (unless you have some way to run killall Xorg).
    Option "ProbeAllGpus" "false"

    Option "NoLogo" "true"
    Option "UseEDID" "true"
    #Option "UseDisplayDevice" "none"
EndSection

Section "Monitor"
	Identifier "Monitor0"
	#Option "ModeDebug" "TRUE"  #Only needed to debug and to get the DFP-X number, is written to /var/log/Xorg.8.log
    	Option "ConnectedMonitor" "DFP-2"
	HorizSync	35-81
	VertRefresh	 35-76
    	Option "ModeValidation" "AllowNonEdidModes"
	Option "ModeValidation" "NoDFPNativeResolutionCheck” 
	Modeline "1280x1024_50.00"   88.50  1280 1352 1480 1680  1024 1027 1034 1057 -hsync +vsync	
EndSection

Section "Screen"
	Identifier "Screen0"
	Monitor "Monitor0"
	Device "DiscreteNvidia"
	DefaultDepth 24
	SubSection "Display"
		Modes "1280x1024"
	EndSubSection
EndSection