Мой /etc/X11/xorg.conf

Section "Files"
	FontPath	"/usr/share/fonts/X11/misc"
	FontPath	"/usr/share/fonts/X11/cyrillic"
	FontPath	"/usr/share/fonts/X11/100dpi/:unscaled"
	FontPath	"/usr/share/fonts/X11/75dpi/:unscaled"
	FontPath	"/usr/share/fonts/X11/Type1"
	FontPath	"/usr/share/fonts/X11/100dpi"
	FontPath	"/usr/share/fonts/X11/75dpi"
	FontPath	"/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType"
EndSection

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


Section "InputDevice"
	Identifier	"MyGeniusKeyboard"
	Driver		"kbd"
	Option		"CoreKeyboard"
	Option		"XkbRules"	"xorg"
	Option		"XkbModel"	"pc105"
    Option         "XkbLayout" "en_US,ru(winkeys),de"
    Option         "XkbOptions" "grp:lwin_toggle,grp_led:scroll"
EndSection

Section "InputDevice"
	Identifier	"myTrustMouse"
	Driver		"mouse"
	Option		"CorePointer"
	Option		"Device"		"/dev/input/mice"
	Option		"Protocol"		"ImPS/2"
	Option		"Emulate3Buttons"	"false"	
    Option         "ZAxisMapping" "4 5"
EndSection

Section "Device"
	Identifier	"p650-1"
	Driver		"mtx"
	Option		"UseFBDev"		"true"
	BusID		"PCI:1:5:0"
        Screen          0
Option		"hwcursor" "off"
EndSection

Section "Device"
	Identifier	"p650-2"
	Driver		"mtx"
   	Option      	"UseFBDev"		"false"
 	BusID		"PCI:1:5:0"
        Screen          1
Option		"hwcursor" "off"
EndSection

Section "Monitor"
	Identifier	"Samsung"
	Option		"DPMS"
        VertRefresh	60
EndSection

Section "Monitor"
	Identifier	"Sharp"
	Option		"DPMS"
        VertRefresh     60
HorizSync 30-50
EndSection

Section "Screen"
	Identifier	"Schermo1"
	Device		"p650-1"
	Monitor		"Samsung"
	DefaultDepth	24
 	SubSection "Display"
		Depth		24
		Modes		"1680x1050"
	EndSubSection
EndSection

Section "Screen"
	Identifier	"Schermo2"
	Device		"p650-2"
	Monitor		"Sharp"
	DefaultDepth	24
 	SubSection "Display"
		Depth		24
                Modes           "1024x768"
	EndSubSection
EndSection

Section "ServerLayout"
	Identifier	"Single"
        Screen     0    "Schermo1" 0 0
	InputDevice	"MyGeniusKeyboard"
	InputDevice	"myTrustMouse"
EndSection

Section "ServerLayout"
	Identifier	"Both"
        Screen          "Schermo1"
        Screen          "Schermo2" LeftOf "Schermo1"
	InputDevice	"MyGeniusKeyboard"
	InputDevice	"myTrustMouse"
EndSection