All I can say is that I had the same problem with my X800XL in dual mode. I figured it was a driver issue with ATI. Sorry I'm not much more help than that.
Well, when I'm dueling with monitors, I usually care more about how
quickly I can swing them back and forth, not what's on the screen.
That said, Try with Option "VideoOverlay" "off" or
Option "UseInternalAGPGART" "yes" on the one that isn't working
at the moment. I'm just guessing because I've never had that problem
before.
On 5/13/07, Earle Beason < Earle-Beason@kc.rr.com> wrote:
> Troubleshooting my system
>
> I have a radio all-in-one 9600 with two monsters, a westing house LCD,
> as primary screen and a viewsonic A70 as the extension.. It seems to
> work just about right with the exception the when the muse goes from
> screen the LCD screen tot e CRT it turns into a purple block. I have
> also noticed that when I watching A DVD and I try to put it on the CRT
> side it fails to render the video. I did the google warrior and the best
> I could come up was the reconfiguration of the Xorg, Below is what it
> currently looks like, Anyone clue me into what Ii may have missed
>
> # Xorg configuration created by livna-config-display
>
> Section "ServerLayout"
> Identifier "Multihead layout"
> Screen 0 "Screen0" LeftOf "Screen1"
> Screen 1 "Screen1" 0 0
> InputDevice "Keyboard0" "CoreKeyboard"
> Option "Xinerama" "on"
> Option "Clone" "off"
> EndSection
>
> Section "Files"
> ModulePath "/usr/lib/xorg/modules"
> EndSection
>
> Section "ServerFlags"
> Option "AIGLX" "on"
> EndSection
>
> Section "InputDevice"
> Identifier "Keyboard0"
> Driver "kbd"
> Option "XkbModel" "pc105"
> Option "XkbLayout" "us"
> EndSection
>
> Section "InputDevice"
> Identifier "Configured Mouse"
> Driver "mouse"
> Option "CorePointer"
> Option "Device" "/dev/input/mice"
> Option "Protocol" "ExplorerPS/2"
> Option "ZAxisMapping" "4 5"
> Option "Emulate3Buttons" "true"
> EndSection
>
> Section "Monitor"
> Identifier "Monitor0"
> VendorName "WestingHouse"
> ModelName "LCM-20v5"
> HorizSync 31.5 - 70.0
> VertRefresh 50.0 - 70.0
> Option "dpms"
> EndSection
>
> Section "Monitor"
> Identifier "Monitor1"
> VendorName "Viewsonic"
> ModelName "ViewSonic A70"
> HorizSync 30.0 - 70.0
> VertRefresh 50.0 - 180.0
> Option "dpms"
> EndSection
>
> Section "Device"
> Identifier "Videocard0"
> Driver "fglrx"
> Option "VideoOverlay" "on"
> Option "UseInternalAGPGART" "no"
> Option "UseDisplayDevice" "DFP"
> EndSection
>
> Section "Device"
> Identifier "Videocard1"
> Driver "fglrx"
> VendorName "Videocard Vendor"
> BoardName "ATI Technologies Inc RV350 AP [Radeon 9600]"
> Option "VideoOverlay" "on"
> Option "UseInternalAGPGART" "no"
> Option "UseDisplayDevice" "CRT"
> BusID "PCI:1:0:0"
> Screen 1
> EndSection
>
> Section "Screen"
> Identifier "Screen0"
> Device "Videocard0"
> DefaultDepth 24
> SubSection "Display"
> Viewport 0 0
> Depth 24
> Modes "1400x1050"
> EndSubSection
> EndSection
>
> Section "Screen"
> Identifier "Screen1"
> Device "Videocard1"
> Monitor "Monitor1"
> DefaultDepth 24
> SubSection "Display"
> Viewport 0 0
> Depth 24
> Modes "1280x1024"
> EndSubSection
> EndSection
>
> Section "Extensions"
> Option "Composite" "Disable"
> EndSection
>
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