fabio@Bellinha:~$ less /var/log/Xorg.0.log
X Window System Version 7.1.1
Release Date: 12 May 2006
X Protocol Version 11, Revision 0, Release 7.1.1
Build Operating System: Linux 2.6.15.7 i686
Current Operating System: Linux Bellinha 2.6.17-11-generic #2 SMP Thu Feb 1 19:52:28 UTC 2007 i686
Build Date: 07 July 2006
        Before reporting problems, check http://wiki.x.org
        to make sure that you have the latest version.
Module Loader present
Markers: (--) probed, (**) from config file, (==) default setting,
        (++) from command line, (!!) notice, (II) informational,
        (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(==) Log file: "/var/log/Xorg.0.log", Time: Mon Mar 19 20:18:47 2007
(==) Using config file: "/etc/X11/xorg.conf"
(==) ServerLayout "Default Layout"
(**) |-->Screen "Screen1" (0)
(**) |   |-->Monitor "Generic Monitor"
(**) |   |-->Device "Intel Corporation 82852/855GM Integrated Graphics Device"
(**) |-->Screen "Screen2" (1)
(**) |   |-->Monitor "Monitor2"
(**) |   |-->Device "Intel"
(EE) Screen Screen doesn't exist: deleting placement
(**) |-->Input Device "Generic Keyboard"
(**) |-->Input Device "Configured Mouse"
(**) |-->Input Device "Synaptics Touchpad"


Meu xorg.conf

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

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

Section "InputDevice"
        Identifier      "Generic Keyboard"
        Driver          "kbd"
        Option          "CoreKeyboard"
        Option          "XkbRules"      "xorg"
        Option          "XkbModel"      "pc105"
        Option          "XkbLayout"     "us"
        Option          "XkbOptions"    "lv3:ralt_switch"
        Option          "XkbVariant"    "intl"
EndSection

Section "InputDevice"
        Identifier      "Configured Mouse"
        Driver          "mouse"
        Option          "CorePointer"
        Option          "Device"                "/dev/input/mice"
        Option          "Protocol"              "ExplorerPS/2"
        Option          "ZAxisMapping"          "4 5"
        Option          "Emulate3Buttons"       "true"
EndSection

Section "InputDevice"
        Identifier      "Synaptics Touchpad"
        Driver          "synaptics"
        Option          "SendCoreEvents"        "true"
        Option          "Device"                "/dev/psaux"
        Option          "Protocol"              "auto-dev"
        Option          "HorizScrollDelta"      "0"
EndSection

Section "Device"
        Identifier      "Intel Corporation 82852/855GM Integrated Graphics Device"
        Driver          "i810"
        BusID           "PCI:0:2:0"
EndSection

Section "Device"
        Identifier      "Intel"
        Driver          "i810"
        BusID           "PCI:0:2:0"
EndSection

Section "Monitor"
        Identifier      "Generic Monitor"
        Option          "DPMS"
        HorizSync       28-51
        VertRefresh     43-60
EndSection

Section "Monitor"
        Identifier      "Monitor2"
        Option          "DPMS"
        HorizSync       28-51
        VertRefresh     43-60
EndSection

Section "Screen"
        Identifier      "Screen1"
        Device          "Intel Corporation 82852/855GM Integrated Graphics Device"
        Monitor         "Generic Monitor"
        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"
        SubSection "Display"
                Depth           16
                Modes           "1024x768"
        EndSubSection
        SubSection "Display"
                Depth           24
                Modes           "1024x768"
        EndSubSection
EndSection

Section "Screen"
        Identifier      "Screen2"
        Device          "Intel"
        Monitor         "Monitor2"
        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 "ServerLayout"
        Identifier      "Default Layout"
        Screen          "Screen1"
        Screen  "Screen2" Above "Screen" #Esquerda "LeftOf", em cima use o "Above" a baixo "Below"
        InputDevice     "Generic Keyboard"
        InputDevice     "Configured Mouse"
        InputDevice     "Synaptics Touchpad"
EndSection
Section "ServerFlags"
   Option "Xinerama" "true"
EndSection
Section "DRI"
        Mode    0666
EndSection