X.org: how to enable the second video card

[krokoziabla]

Hi.

I have Radeon HD 6850 in the PCEIx16 slot and Intel HD Graphics 2000 integrated in motherboard. I'd like to connect three monitors to them (2 -> Radeon and 1 -> Intel). I tried to play with xorg.conf file but as a result I can see the desktop only at two displays connected to Radeon card. The one connected to Intel doesn't work. (Though it revives when my Ubuntu either is booting up or shutting down, that is I can see the messages about daemons start/stop status).

Here's xorg.conf

Section "ServerLayout"
        Identifier     "amdcccle Layout"
        Screen      0  "amdcccle-Screen[1]-0" 0 0
        Screen         "Default Screen" RightOf "amdcccle-Screen[1]-0"
EndSection

Section "Module"
        Load  "fglrx"
        Load  "intel"
EndSection

Section "Monitor"
        Identifier  "940N"
EndSection

Section "Monitor"
        Identifier  "0-DFP7"
        Option      "VendorName" "ATI Proprietary Driver"
        Option      "ModelName" "Generic Autodetecting Monitor"
        Option      "DPMS" "true"
        Option      "PreferredMode" "1280x1024"
        Option      "TargetRefresh" "60"
        Option      "Position" "1920 0"
        Option      "Rotate" "normal"
        Option      "Disable" "false"
EndSection

Section "Monitor"
        Identifier  "0-CRT1"
        Option      "VendorName" "ATI Proprietary Driver"
        Option      "ModelName" "Generic Autodetecting Monitor"
        Option      "DPMS" "true"
        Option      "PreferredMode" "1920x1080"
        Option      "TargetRefresh" "60"
        Option      "Position" "0 0"
        Option      "Rotate" "normal"
        Option      "Disable" "false"
EndSection

Section "Device"
        Identifier  "amdcccle-Device[1]-0"
        Driver      "fglrx"
        Option      "Monitor-DFP7" "0-DFP7"
        Option      "Monitor-CRT1" "0-CRT1"
        BusID       "PCI:1:0:0"
EndSection

Section "Device"
        Identifier  "intel-hd-graphics"
        Driver      "intel"
        Option      "Monitor-CRT" "940N"
        BusID       "PCI:0:2:0"
EndSection

Section "Screen"
        Identifier "Default Screen"
        Monitor    "940N"
        Device     "intel-hd-graphics"
        DefaultDepth     24
        SubSection "Display"
                Viewport   0 0
                Virtual    1280 1024
        EndSubSection 
EndSection

Section "Screen"
        Identifier "amdcccle-Screen[1]-0"
        Device     "amdcccle-Device[1]-0"
        DefaultDepth     24
        SubSection "Display"
                Viewport   0 0
                Virtual   3200 3200
                Depth     24
        EndSubSection
EndSection

And Xorg.0.log file can be found docs.google.com/open?id=0B7AqmAdGctUcX0Z1bXhIM2JfdTg (Sorry for Google Docs, I failed to upload it by Forum's means)

At least one thing alerts me. I can see a lot of output about fglrx driver (for the Radeon card) but about intel one there only these lines exist:

[    11.947] (**) |   |-->Device "intel-hd-graphics"
[    11.968] (II) LoadModule: "intel"
[    11.974] (II) Loading /usr/lib/xorg/modules/drivers/intel_drv.so
[    11.974] (II) Module intel: vendor="X.Org Foundation"
[    11.985] (II) LoadModule: "intel"
[    11.985] (II) Loading /usr/lib/xorg/modules/drivers/intel_drv.so
[    11.985] (II) Module intel: vendor="X.Org Foundation"
[    11.985] (II) UnloadModule: "intel"
[    11.985] (II) Unloading intel
[    11.985] (II) Failed to load module "intel" (already loaded, 32679)
[    11.986] (II) intel: Driver for Intel Integrated Graphics Chipsets: i810,
[    12.322] (II) UnloadModule: "intel"
[    12.322] (II) Unloading intel
[    12.619] (II) config/udev: Adding input device HDA Intel PCH HDMI/DP,pcm=3 (/dev/input/event4)
[    12.620] (II) config/udev: Adding input device HDA Intel PCH Line (/dev/input/event5)
[    12.620] (II) config/udev: Adding input device HDA Intel PCH Rear Mic (/dev/input/event6)
[    12.620] (II) config/udev: Adding input device HDA Intel PCH Line-Out CLFE (/dev/input/event7)
[    12.620] (II) config/udev: Adding input device HDA Intel PCH Line-Out Surround (/dev/input/event8)
[    12.620] (II) config/udev: Adding input device HDA Intel PCH Line-Out Front (/dev/input/event9)

And I don't understand why there is a couple of 'UnloadModule: "intel"' lines.

Does anyone have an idea of what can be wrong? Thanks in advance.

[Peconet009]

Your system does not like two different display drivers going at the same time since one is an on-board graphics.
You could try and update your BIOS and see if that rectifies it.

[krokoziabla]

Ok, I'll check which version of BIOS is available now for download. Though I have to say that I have two OSs on my PC: Windows7 and Ubuntu. Windows works without a problem with both cards.