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Old 05-21-2009, 06:19 AM   #1
prisma
LQ Newbie
 
Registered: May 2009
Posts: 3

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configuring 2 graphics cards


Hi,

I'm using Ubuntu 9.04 with 2 graphics cards (ATI X1300 both).

After installation 1 monitor on one card worked fine.
I also managed to start Ubuntu with dual monitor support (on one graphics card).

Now I want to activate my 2nd graphics card in order to use my 3rd monitor too. After searching on the web my xorg.conf is as follows:

Code:
Section "Device"
        Identifier      "Dev1"
        BusID           "PCI:1:0:0"
        Option          "DVI-0" "Monitor0"
        Option          "VGA-0" "Monitor1"
EndSection

Section "Device"
        Identifier      "Dev2"
        BusID           "PCI:4:0:0"
        Option          "DVI-0" "Monitor2"
EndSection

Section "Monitor"
        Identifier      "Monitor0"
EndSection

Section "Monitor"
        Identifier      "Monitor1"
        Option          "RightOf" "Monitor0"
EndSection

Section "Monitor"
        Identifier      "Monitor2"
EndSection

Section "Screen"
        Identifier      "Screen0"
        Monitor         "Monitor0"
        Monitor         "Monitor1"
        Device          "Dev1"
        SubSection "Display"
                Virtual 2800 1050
        EndSubSection
EndSection

Section "Screen"
        Identifier      "Screen1"
        Monitor         "Monitor2"
        Device          "Dev2"
EndSection
lspci shows:
Code:
01:00.0 VGA compatible controller: ATI Technologies Inc RV515 [Radeon X1300]
01:00.1 Display controller: ATI Technologies Inc RV515 [Radeon X1300] (Secondary)
04:00.0 VGA compatible controller: ATI Technologies Inc RV515 [Radeon X1300]
04:00.1 Display controller: ATI Technologies Inc RV515 [Radeon X1300] (Secondary)
Unfortunately the 3nd monitor is still black.

What else can I do ???

Thanks.

Uwe

Last edited by prisma; 05-22-2009 at 01:21 PM.
 
Old 05-25-2009, 03:24 AM   #2
prisma
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Registered: May 2009
Posts: 3

Original Poster
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Any suggestion ?

Uwe
 
Old 06-01-2009, 08:34 AM   #3
nino_of_qubic
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Registered: Mar 2006
Location: North Carolina
Distribution: Open Suse
Posts: 17

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this website may help.

http://www.yolinux.com/TUTORIALS/Lin...lMonitors.html
 
  


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