my xorg.conf

Section "ServerLayout"
	Identifier     "Default"
	Screen      0  "Screen0" 0 0
	InputDevice    "Mouse0" "CorePointer"
	InputDevice    "Keyboard0" "CoreKeyboard"
	Option	"SLI" "AFR"
EndSection

#Section "Extensions"
#	Option	"Composite"	"Enable"
#EndSection

Section "Files"
	RgbPath      "/usr/share/X11/rgb"
	ModulePath   "/usr/lib64/xorg/modules"
	FontPath     "/usr/share/fonts/misc/"
#	FontPath     "/usr/share/fonts/TTF/"
#	FontPath     "/usr/share/fonts/OTF"
#	FontPath     "/usr/share/fonts/Type1/"
	FontPath     "/usr/share/fonts/100dpi/"
	FontPath     "/usr/share/fonts/75dpi/"
EndSection

Section "Module"
	Load  "glx"
	Load  "extmod"
	Load  "xtrap"
	Load  "record"
	Load  "GLcore"
	Load  "dbe"
#	Load  "dri"
	Load  "freetype"
	Load  "type1"
EndSection

Section "InputDevice"
	Identifier  "Keyboard0"
	Driver      "kbd"
EndSection

Section "InputDevice"
	Identifier  "Mouse0"
	Driver      "mouse"
	Option	    "Protocol" "auto"
	Option	    "Device" "/dev/input/mice"
	Option	    "ZAxisMapping" "4 5 6 7"
EndSection

Section "Monitor"
	#DisplaySize	  370   300	# mm
	Identifier   "Monitor0"
	VendorName   "VSC"
	ModelName    "VX922"
 ### Comment all HorizSync and VertRefresh values to use DDC:
	HorizSync    30.0 - 82.0
	VertRefresh  50.0 - 75.0
	Option	    "DPMS"
EndSection

Section "Device"
	Identifier  "Card0"
	Driver      "nvidia"
	VendorName  "nVidia Corporation"
	BoardName   "Unknown Board"
	BusID       "PCI:6:0:0"
EndSection

#Section "Device"
#        Identifier  "Card1"
#        Driver      "nvidia"
#        VendorName  "nVidia Corporation"
#        BoardName   "Unknown Board"
#        BusID       "PCI:5:0:0"
#EndSection

Section "Screen"
	Identifier "Screen0"
#	Option "TwinView" "True"
#	Option "MetaModes"  "1280x1024,1280x1024;1280x1024,NULL"
	Device     "Card0"
	Monitor    "Monitor0"
	SubSection "Display"
		Viewport   0 0
		Depth     1
	EndSubSection
	SubSection "Display"
		Viewport   0 0
		Depth     4
	EndSubSection
	SubSection "Display"
		Viewport   0 0
		Depth     8
	EndSubSection
	SubSection "Display"
		Viewport   0 0
		Depth     15
	EndSubSection
	SubSection "Display"
		Viewport   0 0
		Depth     16
	EndSubSection
	SubSection "Display"
		Viewport   0 0
		Depth     24
	EndSubSection
EndSection