Xorg.log
--------------------------------------------------------------------------------
...
(II) Loading /usr/lib/xorg/modules/input//kbd_drv.so
(II) Module kbd: vendor="X.Org Foundation"
        compiled for 7.2.0, module version = 1.1.0
        Module class: X.Org XInput Driver
        ABI class: X.Org XInput driver, version 0.7
(II) Primary Device is: PCI 01:00:0
(II) ATI Proprietary Linux Driver Version Identifier:8.35.5
(II) ATI Proprietary Linux Driver Release Identifier: LGDr8.35g1
(II) ATI Proprietary Linux Driver Build Date: Mar 27 2007 12:13:03
(II) ATI Proprietary Linux Driver Build Information: autobuild-rel-r6-8.35.1.1.2.3-driver-lnx-x86-x86_64-334085
(--) Assigning device section with no busID to primary device
(WW) fglrx: No matching Device section for instance (BusID PCI:1:0:1) found
(EE) No devices detected.

Fatal server error:
no screens found



xorg.conf
---------------------------------------------------------------------------------------------------
Section "ServerLayout"
        Identifier     "Simple Layout"
        Screen      0  "aticonfig-Screen[0]" 0 0
        InputDevice    "Mouse1" "CorePointer"
        InputDevice    "Keyboard1" "CoreKeyboard"
EndSection

Section "Files"
        FontPath     "/usr/share/fonts/misc/"
        FontPath     "/usr/share/fonts/Type1/"
        FontPath     "/usr/share/fonts/100dpi/"
        FontPath     "/usr/share/fonts/75dpi/"
EndSection

Section "Module"
        Load  "dbe"     # Double buffer extension
        SubSection "extmod"
                Option      "omit xfree86-dga"   # don't initialise the DGA extension
        EndSubSection
        Load  "freetype"
EndSection

Section "InputDevice"
        Identifier  "Keyboard1"
        Driver      "kbd"
        Option      "AutoRepeat" "500 30"
        Option      "XkbRules" "xorg"
        Option      "XkbModel" "pc105"
        Option      "XkbLayout" "gr"
EndSection

Section "InputDevice"
        Identifier  "Mouse1"
        Driver      "mouse"
        Option      "Protocol" "Auto"   # Auto detect
        Option      "Device" "/dev/input/mice"
        Option      "ZAxisMapping" "4 5 6 7"
        Option      "Emulate3Buttons"
EndSection

Section "Monitor"
        Identifier   "TV Monitor"
        HorizSync    31.5 - 31.5
        VertRefresh  50.0 - 70.0
EndSection

Section "Monitor"
        Identifier   "aticonfig-Monitor[0]"
        Option      "VendorName" "ATI Proprietary Driver"
        Option      "ModelName" "Generic Autodetecting Monitor"
        Option      "DPMS" "true"
EndSection

Section "Device"
        Identifier  "Standard VGA"
        Driver      "vga"
        VendorName  "Unknown"
        BoardName   "Unknown"
EndSection

Section "Device"
        Identifier  "Ati Radeon (generic)"
        Driver      "radeon"
EndSection

Section "Device"
        Identifier  "aticonfig-Device[0]"
        Driver      "fglrx"
EndSection


Section "Screen"
        Identifier "Screen 1"
        Device     "Ati Radeon (generic)"
        Monitor    "TV Monitor"
        DefaultDepth     16
        SubSection "Display"
                Viewport   0 0
                Depth     8
                Modes    "800x600"
        EndSubSection
        SubSection "Display"
                Viewport   0 0
                Depth     16
                Modes    "800x600"
        EndSubSection
        SubSection "Display"
                Viewport   0 0
                Depth     24
                Modes    "800x600"
        EndSubSection
EndSection

Section "Screen"
        Identifier "aticonfig-Screen[0]"
        Device     "aticonfig-Device[0]"
        Monitor    "aticonfig-Monitor[0]"
        DefaultDepth     24
        SubSection "Display"
                Viewport   0 0
                Depth     24
        EndSubSection
EndSection