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Old 05-26-09, 07:40 AM   #1
sijben
Registered User
 
Join Date: May 2009
Posts: 3
Default 4 monitors, two cards, twinview, center on monitor

I am running ubuntu 9.04 and have two nvidia cards GeForce 8500 GT and recently added a 8400 GS it the intention to run 4 monitors.

The nvidia-settings tool helped me to make the config go most of the way, I now have two X displays each holding two monitors in twinview setup.
This is mostly what I want, however I am running into one issue, the center of the screen udes to be the center of the first monitor, it is now between two monitors. Also the GNOME bars I had on each monitor are now over both monitors per screen.

I have compares my xorg.conf with a simple 2 monitor setup but I can not find any difference.

How do I tell X, Gnome, or compiz that I want per-monitor semantics? (note that compiz at the moment is at least letting me maximize windows to one monitor rather than the entire twinview screen)?

Below is my xorg.conf file:
# nvidia-settings: X configuration file generated by nvidia-settings
# nvidia-settings: version 1.0 (buildd@palmer) Sun Feb 1 20:21:04 UTC 2009

# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig: version 1.0 (buildmeister@builder63) Mon Mar 23 15:33:27 PST 2009

Section "ServerLayout"
Identifier "Layout0"
Screen 0 "Screen0" 0 1050
Screen 1 "Screen1" Above "Screen0"
InputDevice "Keyboard0" "CoreKeyboard"
InputDevice "Mouse0" "CorePointer"
EndSection

Section "Module"
Load "dbe"
Load "extmod"
Load "type1"
Load "freetype"
Load "glx"
EndSection

Section "ServerFlags"
Option "Xinerama" "0"
Option "DontZap" "False"
EndSection

Section "InputDevice"
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 "ACER X243HQ"
HorizSync 30.0 - 83.0
VertRefresh 56.0 - 75.0
Option "DPMS"
EndSection

Section "Monitor"
Identifier "Monitor1"
VendorName "Unknown"
ModelName "Acer X223W"
HorizSync 31.0 - 83.0
VertRefresh 56.0 - 75.0
EndSection

Section "Monitor"
Identifier "Monitor2"
VendorName "Unknown"
ModelName "CMO CMC 22 W"
HorizSync 30.0 - 82.0
VertRefresh 56.0 - 76.0
EndSection

Section "Device"
Identifier "Device0"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "GeForce 8500 GT"
BusID "PCI:1:0:0"
EndSection

Section "Device"
Identifier "Device1"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "GeForce 8400 GS"
BusID "PCI:3:0:0"
EndSection

Section "Device"
Identifier "Device2"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "GeForce 8400 GS"
BusID "PCI:3:0:0"
Screen 1
EndSection

Section "Screen"
Identifier "Screen0"
Device "Device0"
Monitor "Monitor0"
DefaultDepth 24
Option "TwinView" "1"
# Option "TwinViewXineramaInfoOrder" "CRT-0"
Option "metamodes" "CRT: nvidia-auto-select +0+0, DFP: nvidia-auto-select +1920+0"
SubSection "Display"
Depth 24
EndSubSection
EndSection

Section "Screen"
Identifier "Screen1"
Device "Device1"
Monitor "Monitor1"
DefaultDepth 24
#Option "TwinViewXineramaInfoOrder" "CRT-0"
Option "TwinView" "1"
Option "metamodes" "CRT: nvidia-auto-select +0+0, DFP: nvidia-auto-select +1680+0"
SubSection "Display"
Depth 24
EndSubSection
EndSection
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