Have a try with my xorg.conf. I have two lcd displays, one at native 1680x1050, and the other 1280x1024. Use only the portion that you need. I'm assuming you are spanning across two screens under an X instance.
# Xorg.conf file generated for PC-BSD
Section "Files"
ModulePath "/usr/local/lib/xorg/modules"
FontPath "/usr/local/lib/X11/fonts/100dpi/"
FontPath "/usr/local/lib/X11/fonts/75dpi/"
FontPath "/usr/local/lib/X11/fonts/OTF/"
FontPath "/usr/local/lib/X11/fonts/TTF/"
FontPath "/usr/local/lib/X11/fonts/TrueType/"
FontPath "/usr/local/lib/X11/fonts/Type1/"
FontPath "/usr/local/lib/X11/fonts/bitstream-vera
FontPath "/usr/local/lib/X11/fonts/cyrillic/"
FontPath "/usr/local/lib/X11/fonts/dejavu/"
FontPath "/usr/local/lib/X11/fonts/encodings/"
FontPath "/usr/local/lib/X11/fonts/misc/"
FontPath "/usr/local/lib/X11/fonts/util/"
FontPath "/usr/local/lib/X11/fonts/webfonts/"
# FontPath "/Programs/fonts/"
# FontPath "/usr/local/lib/X11/fonts/local/"
# FontPath "/usr/local/lib/X11/fonts/CID/"
EndSection
Section "Module"
Load "ddc"
Load "dbe"
Load "dri"
Load "dri2"
Load "extmod"
Load "glx"
Load "record"
EndSection
Section "DRI"
Mode 0666
EndSection
Section "InputDevice"
Identifier "Keyboard0"
Driver "keyboard"
Option "XkbModel" "pc105"
Option "XkbLayout" "us"
Option "XkbVariant" ""
EndSection
Section "InputDevice"
Identifier "Mouse0"
Driver "mouse"
Option "Protocol" "auto"
Option "Device" "/dev/sysmouse"
Option "Buttons" "3"
Option "Emulate3Buttons" "False"
# Option "ZAxisMapping" "4 5"
EndSection
Section "Monitor"
Identifier "LCD0"
VendorName "ACER"
ModelName "ACER V223W"
DisplaySize 473 296
Option "DPMS"
EndSection
Section "Monitor"
Identifier "LCD1"
VendorName "DELL"
ModelName "DELL 1704FPT"
DisplaySize 338 270
Option "RightOf" "LCD0"
Option "DPMS"
EndSection
Section "Device"
Identifier "ATI Port 1"
Driver "radeon"
VendorName "ATI X300 (RV370)"
BusID "PCI:1:0:0"
# PCBSD options
Option "CPPIOMode" "yes"
# My options for dualhead
#Option "MergedFB" "True"
#Option "MergedXinerma" "True"
#Option "CRT2Position" "RightOf"
#Option "MergedXineramaCRT2IsScreen0" "False"
#Option "MergedNonRectangular" "True"
Option "Monitor-DVI-0" "LCD0"
Option "Monitor-VGA-0" "LCD1"
# My options for 3D acceleration
Option "DRI" "on"
Option "RenderAccel" "True"
Option "AccelMethod" "EXA"
Option "AccelDFS" "True"
Option "EnablePageFlip" "True"
Option "ColorTiling" "True"
Option "GARTSize" "64"
EndSection
Section "Screen"
Identifier "BigScreen"
Device "ATI Port 1"
Monitor "LCD0"
DefaultDepth 24
SubSection "Display"
Depth 24
Modes "1680x1050"
Virtual 2960 1050
EndSubSection
EndSection
Section "ServerLayout"
Identifier "ATI Dual Monitor"
Screen "BigScreen"
InputDevice "Mouse0" "CorePointer"
InputDevice "Keyboard0" "CoreKeyboard"
EndSection
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Last edited by Fatmice; 01-05-2011 at 03:24 AM.
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