Xorg configuration created by system-config-display

Section "ServerLayout"
        Identifier     "Default Layout"
        InputDevice    "Keyboard0" "CoreKeyboard"
        InputDevice    "Synaptics" "CorePointer"
        Screen          0 "LaptopScreen" 0 0
        Screen          1 "ExternalScreen" RightOf "LaptopScreen"

        Option      "Xinerama" "on"
        Option      "Clone" "on"

EndSection

Section "Files"
EndSection

Section "Module"
EndSection

Section "InputDevice"
        Identifier  "Keyboard0"
        Driver      "kbd"
        Option      "XkbModel" "pc105"
        Option      "XkbLayout" "es"
EndSection

Section "InputDevice"
        Identifier  "Synaptics"
        Driver      "synaptics"
        Option      "Device" "/dev/input/mice"
        Option      "Protocol" "auto-dev"
        Option      "Emulate3Buttons" "yes"
EndSection

#first vga card

Section "Device"
	Identifier	"M3001"
	Driver		"fglrx"
	Screen		0
EndSection

#second fake VGA card

Section "Device"
	Identifier	"M3002"
	Driver		"fglrx"
	Screen		1
EndSection

#the two monitors
Section "Monitor"
	Identifier	"LaptopMonitor"
	Option		"DPMS"
EndSection

Section "Monitor"
    Identifier	"ExternalMonitor"
    ModelName	"SyncMaster"
    HorizSync	30-81
    VertRefresh	56-75
    Option	"DPMS"
EndSection

#now the screens
Section "Screen"
	Identifier	"LaptopScreen"
	Device		"M3001"
	Monitor		"LaptopMonitor"
	DefaultDepth	24
	SubSection "Display"
		Depth		1
		Modes		"1024x768"
	EndSubSection
	SubSection "Display"
		Depth		4
		Modes		"1024x768"
	EndSubSection
	SubSection "Display"
		Depth		8
		Modes		"1024x768"
	EndSubSection
	SubSection "Display"
		Depth		15
		Modes		"1024x768"
	EndSubSection
	SubSection "Display"
		Depth		16
		Modes		"1024x768"
	EndSubSection
	SubSection "Display"
		Depth		24
		Modes		"1024x768"
	EndSubSection
EndSection

Section "Screen"
    Identifier 	"ExternalScreen"
    Device	"M3002"
    Monitor	"ExternalMonitor"
    DefaultDepth	24
    Subsection "Display"
        Depth 	8
        Modes	"1024x768"
    EndSubsection
    
    Subsection "Display"
        Depth 15
        Modes	"1024x768"
    EndSubsection
    
    Subsection "Display"
        Depth 16
        Modes	"1024x768"
    EndSubsection
    
    Subsection "Display"
        Depth 24
        Modes	"1024x768"
    EndSubsection

EndSection

Section "Extensions"
        Option  "Composite" "Disable"
EndSection

Section "ServerFlags"
        Option  "AIGLX" "off"
EndSection