Desabilitar detecção de monitor no Xorg Ubuntu 10.04

[route66rj]

Bom dia a todos,

Preciso de ajuda para desabilitar a detecção de monitor do Xorg, pois preciso iniciar a maquina sem monitor, segue abaixo o log Xorg.0.log:

(**) intel(0): Depth 16, (--) framebuffer bpp 16
(==) intel(0): RGB weight 565
(==) intel(0): Default visual is TrueColor
(II) intel(0): Integrated Graphics Chipset: Intel(R) G33
(--) intel(0): Chipset: "G33"
(II) intel(0): Output VGA1 using monitor section Configured Monitor
(II) intel(0): EDID for output VGA1
(II) intel(0): Output VGA1 disconnected
(WW) intel(0): No outputs definitely connected, trying again...
(II) intel(0): Output VGA1 disconnected
(WW) intel(0): Unable to find initial modes
(==) intel(0): video overlay key set to 0x83e
(EE) intel(0): No modes.
(II) UnloadModule: "intel"
(EE) Screen(s) found, but none have a usable configuration.

Fatal server error:
no screens found


Segue o xorg.conf:
Section "Device"
       Identifier      "Configured Video Device"
EndSection

Section "Monitor"
       Identifier      "Configured Monitor"
       Option         "UseEdidDpi" "false"
       Option         "DPMS"
EndSection

Section "Screen"
       Identifier      "Default Screen"
       Monitor         "Configured Monitor"
       Device          "Configured Video Device"
       Option          "DPMS" "true"
       Option           "ConnectedMonitor" "DFP"
       Option "ModeValidation" "NoEdidModes"
       Option "UseEdid"        "false"
       DefaultDepth     16
      SubSection "Screen"
      Depth 16
      Modes   "1280x1024" "1024x768" "800x600" "640x480"
     EndSubSection

EndSection




Alguem pode me ajudar ?