Mine

Section "ServerLayout"
	Identifier     "Layout0"
	Screen	0 "HGC"
	Screen  1 "DLFR" LeftOf "HGC"
	Screen	0 "VSC"
	Screen  1 "FJFL" LeftOf "VSC"
	InputDevice    "Keyboard" "CoreKeyboard"
	InputDevice    "Logitech1" 
	InputDevice    "Logitech2" 
	InputDevice    "Mouse0" "CorePointer"
#	Option         "Clone"  "on"
	Option         "Xinerama"  "on"
#	Option         "TwinView"  "on"
EndSection

Section "Files"
    RgbPath         "/usr/share/X11/rgb"
    FontPath        "/usr/share/fonts/misc/"
    FontPath        "/usr/share/fonts/100dpi/"
    FontPath        "/usr/share/fonts/75dpi/"
    FontPath        "/usr/share/fonts/Type1/"
#    FontPath        "/usr/share/fonts/cyrillic/"
#    FontPath        "/usr/share/fonts/TTF/"
EndSection

Section "Module"
    Load           "i2c"
    Load           "bitmap"
    Load           "ddc"
    Load           "dbe"
    Load	   "vbe"
    Load           "extmod"
    Load           "type1"
    Load           "freetype"
    Load           "glx"
    Load           "int10"
EndSection

Section "InputDevice"
	Identifier	"Keyboard"
	Driver		"keyboard"
EndSection

Section "InputDevice"
    Identifier     "Mouse0"
    Driver         "mouse"
    Option         "Protocol" "auto"
    Option         "Device" "/dev/input/mice"
    Option         "Emulate3Buttons" "yes"
    Option         "ZAxisMapping" "4 5 6 7"
EndSection

Section "InputDevice"
    Identifier     "Logitech1"
    Driver         "evdev"
    Option 	   "Protocol"	"evdev"
    Option         "Device"     "/dev/input/mouse0"
#    Option	   "XkbModel"   "evdev"
EndSection

Section "InputDevice"
    Identifier	    "Logitech2"
    Driver	    "evdev"
    Option          "Protocol"	"evdev"
    Option	    "Device"	"/dev/input/mouse1"
#    Option	    "XkbModel"  "evdev"
EndSection

Section "Monitor"
    Identifier     "HG"
    VendorName     "Hanns-G"
    ModelName      "VA1912w"
    HorizSync       30.0 - 110.0
    VertRefresh     50.0 - 150.0
    Option         "DPMS
EndSection

Section "Monitor"
    Identifier     "VS"
    VendorName     "ViewSonic"
    ModelName      "Unknown"
    HorizSync       70.0 - 81.0
    VertRefresh     60.0 - 75.0
    Option         "DPMS"
EndSection

Section "Monitor"
    Identifier     "FJ"
    VendorName     "FujSie"
    ModelName      "Unknown"
    HorizSync       70.0 - 81.0
    VertRefresh     60.0 - 75.0
    Option         "DPMS"
EndSection

Section "Monitor"
	Identifier	"DL"
	VendorName	"Dell"
	ModelName	"FP"
	HorizSync	70.0 - 81.8
	VertRefresh	60.0 - 75.0
	Option		"DPMS"
EndSection

Section "Device"
	Identifier	"NVIDIA1-1"
	Driver		"nvidia"
	VendorName	"NVIDIA Corporation"
	BoardName	"GeForce 6200 TurboCache(TM)"
	BusID		"PCI:1:0:0"
	#Option		"MetaModes"	"1400x900"
	Option		"NoLogo"     "True"
	Option		"RenderAccel"     "True"
#	Option		"NvAGP"           "3"
   	Screen		0
EndSection

Section "Device"
	Identifier	"NVIDIA1-2"
	Driver		"nvidia"
	VendorName	"NVIDIA Corporation"
	BoardName	"GeForce 6200 TurboCache(TM)"
	BusID		"PCI:1:0:0"
	Option		"NoLogo"	"True"
	Option		"RenderAccel"	"True"
#	Option		"NvAGP"		"3"
	Screen		1
EndSection

Section "Device"
	Identifier     "NVIDIA2-1"
	Driver         "nvidia"
	VendorName     "NVIDIA Corporation"
	BoardName      "GeForce 6200"
	BusID          "PCI:4:0:0"
	#Option	   "MetaModes"	"1280x1024"
	Option         "NoLogo"     "True"
	Option         "RenderAccel"     "True"
	Option         "NvAGP"           "3"
	Screen         0
EndSection

Section "Device"
    Identifier     "NVIDIA2-2"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BoardName      "GeForce 6200"
    BusID          "PCI:4:0:0"
    Option	   "MetaMode"	"1280x1024"
    Option         "NoLogo"     "True"
    Option         "RenderAccel"     "True"
    Option         "NvAGP"           "3"
    Screen         1
EndSection


Section "Screen"
    Identifier     "HGC"
    Device         "NVIDIA1-1"
    Monitor        "HG"
    DefaultDepth    24
    SubSection     "Display"
        Depth       24
        Modes      "1440x900"
    EndSubSection
	Option	"TwinView"	"On"
	Option	"TwinViewOrientation" "LeftOf"
#    Option	   "AddARGBVisuals"	"True"
EndSection

Section "Screen"
	Identifier     "VSC"
	Device         "NVIDIA1-2"
	Monitor        "VS"
	DefaultDepth    24
	SubSection     "Display"
        	Depth       24
        	Modes      "1440x900"
	EndSubSection
	Option	"TwinView"	"On"
	Option	"TwinViewOrientation"	"LeftOf"
EndSection

Section "Screen"
    Identifier     "FJFL"
    Device         "NVIDIA2-1"
    Monitor        "FJ"
    DefaultDepth    24
    SubSection     "Display"
        Depth       24
        Modes      "1280x1024"
    EndSubSection
	Option	"TwinView"	"On"
	Option	"TwinViewOrientation"	"RightOf"
	#    Option	   "AddARGBVisuals"	"True"
EndSection

Section "Screen"
	Identifier	"DLFR"
	Device		"NVIDIA1-2"	
	Monitor		"DL"
	DefaultDepth	24
	SubSection	"Display"
		Depth	24
		Modes	"1280x1024"
	EndSubSection
	Option	"TwinView"	"On"
	Option	"TwinViewOrientation"	"LeftOf"
	#Option 	"AddARGBVisuals"	"True"
EndSection