[PLUG] Re: Tri-head troubles

Matt Alexander lowbassman at gmail.com
Mon Dec 19 23:09:41 UTC 2005


Sorry, the xorg.conf I pasted in was from my testing.  The BusID entry
should have been "PCI:0:2:0", which doesn't work either.


On 12/19/05, Matt Alexander <lowbassman at gmail.com> wrote:
>
> I'm trying to get three LCD monitors working together.
>
> The computer is a Compaq Evo somethingorother with a built in Intel 845g
> graphics card and a Matrox Millennium G450 DualHead card.
>
> When the system boots up everything goes to the monitor connected to the
> 845g card.  When X starts then I get dual-head working on the two monitors
> connected to the G450, but the monitor on the 845g goes black.  I'm running
> xorg 6.8.2 on Fedora Core 4.
>
> lspci shows my graphics cards at:
>      00:02.0 VGA compatible controller: Intel Corporation
> 82845G/GL[Brookdale-G]/GE Chipset Integrated Graphics Device (rev 01)
>      06:00.0 VGA compatible controller: Matrox Graphics, Inc. G400/G450
> (rev 85)
>
> In /var/log/Xorg.0.log, I get:
>
>      (WW) I810: No matching Device section for instance (BusID PCI:0:2:0)
> found
>
> Here's my xorg.conf:
>
> Section "ServerLayout"
>         Identifier     "Multihead layout"
>         Screen      0  "Screen0" 0 0
>         Screen      1  "Screen1" RightOf "Screen0"
>         Screen      2  "Screen2" LeftOf "Screen0"
>         InputDevice    "Mouse0" "CorePointer"
>         InputDevice    "Keyboard0" "CoreKeyboard"
>         Option      "Xinerama" "on"
>         Option      "Clone" "off"
> EndSection
>
> Section "Files"
>         RgbPath      "/usr/X11R6/lib/X11/rgb"
>         FontPath     "unix/:7100"
> EndSection
>
> Section "Module"
>         Load  "dbe"
>         Load  "extmod"
>         Load  "fbdevhw"
>         Load  "record"
>         Load  "freetype"
>         Load  "type1"
> EndSection
>
> Section "InputDevice"
>         Identifier  "Keyboard0"
>         Driver      "kbd"
>         Option      "XkbModel" "pc105"
>         Option      "XkbLayout" "us"
> EndSection
>
> Section "InputDevice"
>         Identifier  "Mouse0"
>         Driver      "mouse"
>         Option      "Protocol" "IMPS/2"
>         Option      "Device" "/dev/input/mice"
>         Option      "ZAxisMapping" "4 5"
>         Option      "Emulate3Buttons" "yes"
> EndSection
>
> Section "Monitor"
>         Identifier   "Monitor0"
>         VendorName   "Monitor Vendor"
>         ModelName    "Dell 1905FP (Analog)"
>         HorizSync    30.0 - 81.0
>         VertRefresh  56.0 - 76.0
>         Option      "dpms"
> EndSection
>
> Section "Monitor"
>         Identifier   "Monitor1"
>         VendorName   "Monitor Vendor"
>         ModelName    "Dell E173FP"
>         HorizSync    31.0 - 80.0
>         VertRefresh  56.0 - 76.0
>         Option      "dpms"
> EndSection
>
> Section "Monitor"
>         Identifier   "Monitor2"
>         VendorName   "Monitor Vendor"
>         ModelName    "Nec AccuSync LCD7v"
>         HorizSync    31.0 - 81.0
>         VertRefresh  56.0 - 75.0
>         Option      "dpms"
> EndSection
>
> Section "Device"
>         Identifier  "Videocard0"
>         Driver      "mga"
>         BoardName   "Matrox Millennium G450"
>         BusID       "PCI:6:0:0"
>         Screen      0
> EndSection
>
> Section "Device"
>         Identifier  "Videocard1"
>         Driver      "mga"
>         BoardName   "Matrox Millennium G450"
>         BusID       "PCI:6:0:0"
>         Screen      1
> EndSection
>
> Section "Device"
>         Identifier  "Videocard2"
>         Driver      "i810"
>         BoardName   "Onboard"
>         BusID       "PCI:0:0:0"
>         Screen      2
>         VideoRam                32768
> EndSection
>
> Section "Screen"
>         Identifier "Screen0"
>         Device     "Videocard0"
>         Monitor    "Monitor0"
>         DefaultDepth     16
>         SubSection "Display"
>                 Viewport   0 0
>                 Depth     16
>                 Modes    "1280x1024"
>         EndSubSection
> EndSection
>
> Section "Screen"
>         Identifier "Screen1"
>         Device     "Videocard1"
>         Monitor    "Monitor1"
>         DefaultDepth     16
>         SubSection "Display"
>                 Viewport   0 0
>                 Depth     16
>                 Modes    "1280x1024"
>         EndSubSection
> EndSection
>
> Section "Screen"
>         Identifier "Screen2"
>         Device     "Videocard2"
>         Monitor    "Monitor2"
>         DefaultDepth     16
>         SubSection "Display"
>                 Viewport   0 0
>                 Depth     16
>                 Modes    "1280x1024"
>         EndSubSection
> EndSection
>
>


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