Question about dual monitors

Daniel Carrera daniel.carrera at zmsl.com
Sat Apr 22 08:55:48 UTC 2006


Dana J. Laude wrote:
> Here's a snip of my xorg.conf file.  I'm using a Matrox G400 
> card. If you take notice the Identifier strings in sections 
> Device, Monitor and Screen. Then the naming in the ServerLayout 
> section, specifically the Screen naming.  Notice how everything 
> match's the identifier strings for the others?

Hello Dana, thank you for your help. Yes, my xorg.conf looks like that 
too. Mine looks almost identical. I don't understand why yours works and 
mine doesn't. Below I copy the equivalent section from my file.

> Also, the Section "module" should have Load "dri" if needed.

I don't know what dri is, but my module section already says Load "dri".

Here is the equivalent xorg.conf snip from my file:

Section "Device"
         Screen          0
         Identifier      "Device0"
         Driver          "i810"
         BusID           "PCI:0:2:0"
EndSection

Section "Device"
         Screen          1
         Identifier      "Device1"
         Driver          "i810"
         BusID           "PCI:0:2:0"
EndSection

Section "Monitor"
         Identifier      "Generic Monitor"
         Option          "DPMS"
         HorizSync       28-49
         VertRefresh     43-72
EndSection

Section "Monitor"
         Identifier      "External Monitor"
         Option          "DPMS"
         HorizSync       28-49
         VertRefresh     43-72
EndSection

Section "Screen"
         Identifier      "Screen0"
         Device          "Device0"
         Monitor         "Generic Monitor"
         DefaultDepth    24
         SubSection "Display"
                 Depth           1
                 Modes           "1024x768" "800x600" "640x480"
         EndSubSection
         [snip]
         SubSection "Display"
                 Depth           24
                 Modes           "1024x768" "800x600" "640x480"
         EndSubSection
EndSection

Section "Screen"
         Identifier      "Screen1"
         Device          "Device0"
         Monitor         "External Monitor"
         Option          "ConnectedMonitor" "CRT"
         DefaultDepth    24
         SubSection "Display"
                 Depth           1
                 Modes           "1024x768" "800x600" "640x480"
         EndSubSection
	[snip]
         SubSection "Display"
                 Depth           24
                 Modes           "1024x768" "800x600" "640x480"
         EndSubSection
EndSection

Section "ServerLayout"
         Identifier      "Default Layout"
         Screen          0       "Screen0"       0       0
         Screen          1       "Screen1"       LeftOf  "Screen0"
         Option          "Xinerama" "On"
         #Option         "Clone" "On"
         InputDevice     "Generic Keyboard"
         InputDevice     "Configured Mouse"
         InputDevice     "Synaptics Touchpad"
EndSection

Cheers,
Daniel.
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