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Hi,
I recently got another screen and plugged it into my box so I could use a 2560x1024 resolution but I can't seem to get it working. So far I've figured this out:
$ xrandr --output DVI-0 --mode 800x600 --pos 0x0 --output VGA-0 --mode 800x600 --pos 800x0
And those are the positions I want. However, I can't set a 1280x1024 resolution:
$ xrandr --output DVI-0 --mode 1280x1024 --pos 0x0 --output VGA-0 --mode 1280x1024 --pos 1280x0
xrandr: screen cannot be larger than 1600x1600 (desired size 2560x1024)
Here is the output of xrandr:
Screen 0: minimum 320 x 200, current 1280 x 1024, maximum 1600 x 1600
VGA-0 connected 1280x1024+0+0 (normal left inverted right x axis y axis) 338mm x 270mm
1280x1024 60.0*+ 75.0 60.0 60.0*
1600x1024 60.2
1400x1050 60.0
1440x900 59.9
1280x960 60.0
1360x768 59.8
1152x864 75.0 75.0 75.0 70.0 60.0
1024x768 75.1 75.0 70.1 60.0
832x624 74.6
800x600 72.2 75.0 60.3 56.2
640x480 75.0 72.8 72.8 75.0 66.7 60.0 59.9
720x400 70.1
DVI-0 connected 1280x1024+0+0 (normal left inverted right x axis y axis) 376mm x 301mm
1280x1024 60.0*+ 75.0 60.0 60.0*
1600x1024 60.2
1400x1050 60.0
1440x900 59.9
1280x960 60.0 60.0
1360x768 59.8
1152x864 75.0 75.0 75.0 70.0 60.0
1024x768 75.1 75.0 70.1 60.0
832x624 74.6
800x600 72.2 75.0 60.3 56.2
640x480 75.0 72.8 72.8 75.0 66.7 60.0 59.9
720x400 70.1
This is my /etc/X11/xorg.conf:
Section "ServerLayout"
Identifier "X.org Configured"
Screen 0 "Screen0" 0 0
InputDevice "Mouse0" "CorePointer"
InputDevice "Keyboard0" "CoreKeyboard"
EndSection
Section "Files"
ModulePath "/usr/lib/xorg/modules"
FontPath "/usr/share/fonts/misc"
FontPath "/usr/share/fonts/100dpi:unscaled"
FontPath "/usr/share/fonts/75dpi:unscaled"
FontPath "/usr/share/fonts/TTF"
FontPath "/usr/share/fonts/Type1"
EndSection
Section "Module"
Load "extmod"
Load "dri"
Load "dbe"
Load "glx"
Load "xtrap"
Load "freetype"
EndSection
Section "InputDevice"
Identifier "Keyboard0"
Driver "kbd"
EndSection
Section "InputDevice"
Identifier "Mouse0"
Driver "mouse"
Option "Protocol" "auto"
Option "Device" "/dev/input/mice"
Option "ZAxisMapping" "4 5 6 7"
EndSection
Section "Monitor"
Identifier "VGA"
Option "PreferredMode" "2560x1024"
Option "Position" "0 0"
VendorName "Monitor Vendor"
ModelName "Monitor Model"
EndSection
Section "Monitor"
Identifier "DVI"
Option "PreferredMode" "2560x1024"
Option "Position" "-1280 -300"
VendorName "Monitor Vendor"
ModelName "Monitor Model"
EndSection
Section "Device"
### Available Driver options are:-
### Values: <i>: integer, <f>: float, <bool>: "True"/"False",
### <string>: "String", <freq>: "<f> Hz/kHz/MHz"
### [arg]: arg optional
#Option "NoAccel" # [<bool>]
#Option "SWcursor" # [<bool>]
#Option "Dac6Bit" # [<bool>]
#Option "Dac8Bit" # [<bool>]
#Option "BusType" # [<str>]
#Option "CPPIOMode" # [<bool>]
#Option "CPusecTimeout" # <i>
#Option "AGPMode" # <i>
#Option "AGPFastWrite" # [<bool>]
#Option "AGPSize" # <i>
#Option "GARTSize" # <i>
#Option "RingSize" # <i>
#Option "BufferSize" # <i>
#Option "EnableDepthMoves" # [<bool>]
#Option "EnablePageFlip" # [<bool>]
#Option "NoBackBuffer" # [<bool>]
#Option "DMAForXv" # [<bool>]
#Option "FBTexPercent" # <i>
#Option "DepthBits" # <i>
#Option "PCIAPERSize" # <i>
#Option "AccelDFS" # [<bool>]
#Option "IgnoreEDID" # [<bool>]
#Option "DisplayPriority" # [<str>]
#Option "PanelSize" # [<str>]
#Option "ForceMinDotClock" # <freq>
#Option "ColorTiling" # [<bool>]
#Option "VideoKey" # <i>
#Option "RageTheatreCrystal" # <i>
#Option "RageTheatreTunerPort" # <i>
#Option "RageTheatreCompositePort" # <i>
#Option "RageTheatreSVideoPort" # <i>
#Option "TunerType" # <i>
#Option "RageTheatreMicrocPath" # <str>
#Option "RageTheatreMicrocType" # <str>
#Option "ScalerWidth" # <i>
#Option "RenderAccel" # [<bool>]
#Option "SubPixelOrder" # [<str>]
#Option "ShowCache" # [<bool>]
#Option "DynamicClocks" # [<bool>]
#Option "VGAAccess" # [<bool>]
#Option "ReverseDDC" # [<bool>]
#Option "LVDSProbePLL" # [<bool>]
#Option "AccelMethod" # <str>
#Option "DRI" # [<bool>]
#Option "ConnectorTable" # <str>
#Option "DefaultConnectorTable" # [<bool>]
#Option "DefaultTMDSPLL" # [<bool>]
#Option "TVDACLoadDetect" # [<bool>]
#Option "ForceTVOut" # [<bool>]
#Option "TVStandard" # <str>
#Option "IgnoreLidStatus" # [<bool>]
#Option "DefaultTVDACAdj" # [<bool>]
#Option "Int10" # [<bool>]
#Option "EXAVSync" # [<bool>]
#Option "ATOMTVOut" # [<bool>]
Identifier "Card0"
Driver "radeon"
Option "monitor-VGA"
Option "monitor-DVI"
VendorName "ATI Technologies Inc"
BoardName "RV516 [Radeon X1300/X1550 Series]"
BusID "PCI:2:0:0"
EndSection
Section "Screen"
Identifier "Screen0"
Device "Card0"
Monitor "Monitor0"
SubSection "Display"
Viewport 0 0
Depth 24
# Virtual 2560 1024
EndSubSection
EndSection
I would be very grateful if somebody would help me solve this problem. I've done my best with Google, the Arch Linux wiki and the forum.
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hey, think you need to uncomment that "virtual" line in screen/display.
Section "Screen"
...
SubSection "Display"
...
Virtual 2560 1050
EndSubSection
EndSection
if you want the xrandr settings to be set on startup, modify this to your needs:
Section "Device"
Identifier "Card0"
Driver "radeon"
VendorName "ATI Technologies Inc"
BoardName "R580 [Radeon X1900 XT] (Primary)"
BusID "PCI:4:0:0"
Option "monitor-DVI-1" "acer"
Option "monitor-DVI-0" "samsung"
EndSection
Section "Monitor"
Identifier "acer"
Option "PreferredMode" "1280x1024"
Option "Position" "0 0"
Option "DPMS"
EndSection
Section "Monitor"
Identifier "samsung"
Option "PreferredMode" "1680x1050"
Option "RightOf" "acer"
#Option "Enable" "true"
EndSection
Section "Screen"
Identifier "Screen0"
Device "Card0"
Monitor "acer"
DefaultDepth 24
SubSection "Display"
Modes "1280x1024"
Depth 24
Virtual 2960 1050
EndSubSection
EndSection
Last edited by konni (2009-01-30 15:50:32)
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Worked perfectly, thanks!
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