Quad monitors using two cards

moos3 · 2012-11-29 16:41:50

I have a pair of GT 430's using the dvi and vga ports on both cards. I can't get xfce 4.12 to see the second card just the first card. I have pasted my xorg.conf below. Anyone else using more then one adapter ?

Section "ServerLayout"
    Identifier     "Layout0"
    Screen      0  "Screen3"
    Screen      1  "Screen2" RightOf "Screen3"
    Screen      2  "Screen1" RightOf "Screen2"
    Screen      3  "Screen0" RightOf "Screen1"
    InputDevice    "Keyboard0" "CoreKeyboard"
    InputDevice    "Mouse0" "CorePointer"
    Option         "Xinerama" "1"
EndSection

Section "Files"
EndSection

Section "InputDevice"
    # generated from default
    Identifier     "Mouse0"
    Driver         "mouse"
    Option         "Protocol" "auto"
    Option         "Device" "/dev/psaux"
    Option         "Emulate3Buttons" "no"
    Option         "ZAxisMapping" "4 5"
EndSection

Section "InputDevice"
    # generated from default
    Identifier     "Keyboard0"
    Driver         "kbd"
EndSection

Section "Monitor"
    Identifier     "Monitor0"
    VendorName     "Unknown"
    ModelName      "Unknown"
    HorizSync       28.0 - 33.0
    VertRefresh     43.0 - 72.0
    Option         "DPMS"
EndSection

Section "Monitor"
    Identifier     "Monitor1"
    VendorName     "Unknown"
    ModelName      "Unknown"
    HorizSync       28.0 - 33.0
    VertRefresh     43.0 - 72.0
    Option         "DPMS"
EndSection

Section "Monitor"
    Identifier     "Monitor2"
    VendorName     "Unknown"
    ModelName      "Unknown"
    HorizSync       28.0 - 33.0
    VertRefresh     43.0 - 72.0
    Option         "DPMS"
EndSection

Section "Monitor"
    Identifier     "Monitor3"
    VendorName     "Unknown"
    ModelName      "Unknown"
    HorizSync       28.0 - 33.0
    VertRefresh     43.0 - 72.0
    Option         "DPMS"
EndSection

Section "Device"
    Identifier     "Device0"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BusID	   "PCI:1:0:0"
    Option         "Monitor-VGA-1" "Monitor0"
    Option	   "Monitor-DVI-I-1" "Monitor1"
EndSection

Section "Device"
    Identifier     "Device0"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BusID  	   "PCI:2:0:0"
    Option	   "Monitor-VGA-1" "Monitor2"
    Option         "Monitor-DVI-I-1" "Monitor3"
EndSection

Section "Screen"
    Identifier     "Screen0"
    Device         "Device0"
    Monitor        "Monitor0"
    DefaultDepth    24
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection

Section "Screen"
    Identifier     "Screen1"
    Device         "Device0"
    Monitor        "Monitor1"
    DefaultDepth    24
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection

Section "Screen"
    Identifier     "Screen2"
    Device         "Device1"
    Monitor        "Monitor2"
    DefaultDepth    24
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection

Section "Screen"
    Identifier     "Screen3"
    Device         "Device1"
    Monitor        "Monitor3"
    DefaultDepth    24
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection

auralarch · 2012-12-10 07:05:10

I could be off base here, but it seems to me that assigning the same identifier (Device0) to both of your graphics cards could result in the exact scenario you've described as your problem. Especially considering that you reference a "Device1" a few lines down...

Last edited by auralarch (2012-12-10 07:07:19)

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#1 2012-11-29 16:41:50

Quad monitors using two cards

#2 2012-12-10 07:05:10

Re: Quad monitors using two cards

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