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Old 02-18-2007, 06:37 PM   #1
finer recliner
LQ Newbie
 
Registered: Feb 2007
Posts: 2

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help with dual monitors -- mergedfb


I'm trying to setup dual monitors for my laptop using MergedFB the laptop screen in a 15.4 inch widescreen(@1680x1050 resolution) and has an ATI video card. the external display is a 17 inch CRT. I'd like to just have a Clone of my laptop on the external monitor, but I get this "scrolling" effect where i have to move my mouse around to see different parts of the screen if it goes out of range. can anyone help me fix this? I've already read the popular guides/tutorials on dual monitors.

running Ubuntu dapper

xorg.conf:
Code:
# /etc/X11/xorg.conf (xorg X Window System server configuration file)
#
# This file was generated by dexconf, the Debian X Configuration tool, using
# values from the debconf database.
#
# Edit this file with caution, and see the /etc/X11/xorg.conf manual page.
# (Type "man /etc/X11/xorg.conf" at the shell prompt.)
#
# This file is automatically updated on xserver-xorg package upgrades *only*
# if it has not been modified since the last upgrade of the xserver-xorg
# package.
#
# If you have edited this file but would like it to be automatically updated
# again, run the following command:
#   sudo dpkg-reconfigure -phigh xserver-xorg

Section "ServerLayout"
	Identifier     "Default Layout"
	Screen      0  "aticonfig-Screen[0]" 0 0
	InputDevice    "Generic Keyboard"
	InputDevice    "Configured Mouse"
	InputDevice    "stylus" "SendCoreEvents"
	InputDevice    "cursor" "SendCoreEvents"
	InputDevice    "eraser" "SendCoreEvents"
	InputDevice    "Synaptics Touchpad"
EndSection

Section "Files"

	# path to defoma fonts
	FontPath     "/usr/share/X11/fonts/misc"
	FontPath     "/usr/share/X11/fonts/cyrillic"
	FontPath     "/usr/share/X11/fonts/100dpi/:unscaled"
	FontPath     "/usr/share/X11/fonts/75dpi/:unscaled"
	FontPath     "/usr/share/X11/fonts/Type1"
	FontPath     "/usr/share/X11/fonts/100dpi"
	FontPath     "/usr/share/X11/fonts/75dpi"
	FontPath     "/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType"
EndSection

Section "Module"
	Load  "bitmap"
	Load  "ddc"
	Load  "dri"
	Load  "extmod"
	Load  "freetype"
	Load  "glx"
	Load  "int10"
	Load  "type1"
	Load  "vbe"
EndSection

Section "InputDevice"
	Identifier  "Generic Keyboard"
	Driver      "kbd"
	Option	    "CoreKeyboard"
	Option	    "XkbRules" "xorg"
	Option	    "XkbModel" "pc104"
	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 "InputDevice"
	Identifier  "Synaptics Touchpad"
	Driver      "synaptics"
	Option	    "SendCoreEvents" "true"
	Option	    "Device" "/dev/psaux"
	Option	    "Protocol" "auto-dev"
	Option	    "HorizScrollDelta" "0"
EndSection

Section "InputDevice"

                                                      # /dev/input/event
                                                      # for USB
	Identifier  "stylus"
	Driver      "wacom"
	Option	    "Device" "/dev/wacom"          # Change to 
	Option	    "Type" "stylus"
	Option	    "ForceDevice" "ISDV4"               # Tablet PC ONLY
EndSection

Section "InputDevice"

                                                      # /dev/input/event
                                                      # for USB
	Identifier  "eraser"
	Driver      "wacom"
	Option	    "Device" "/dev/wacom"          # Change to 
	Option	    "Type" "eraser"
	Option	    "ForceDevice" "ISDV4"               # Tablet PC ONLY
EndSection

Section "InputDevice"

                                                      # /dev/input/event
                                                      # for USB
	Identifier  "cursor"
	Driver      "wacom"
	Option	    "Device" "/dev/wacom"          # Change to 
	Option	    "Type" "cursor"
	Option	    "ForceDevice" "ISDV4"               # Tablet PC ONLY
EndSection

Section "Monitor"
	Identifier   "Generic Monitor"
	HorizSync    30.0 - 70.0
	VertRefresh  50.0 - 160.0
	Option	    "DPMS"
EndSection

Section "Monitor"
	Identifier   "aticonfig-Monitor[0]"
	Option	    "VendorName" "ATI Proprietary Driver"
	Option	    "ModelName" "Generic Autodetecting Monitor"
	Option	    "DPMS" "true"
EndSection

Section "Device"
	Identifier  "ATI Technologies, Inc. M22 [Radeon Mobility M300]"
	Driver      "ati"
	BusID       "PCI:1:0:0"
EndSection

Section "Device"
	Identifier  "aticonfig-Device[0]"
	Driver      "fglrx"
	Option	    "VideoOverlay" "on"
	Option	    "OpenGLOverlay" "off"

	Option "MergedFB" "true" #Enable MergedFB function
 	Option "MonitorLayout" "LCD, CRT" # Use LCD and CRT even if you have 2 LCD's or CRT's
	Option "CRT2Hsync" "30-85" #Horizontal Sync of the Monitor (check your monitor's manual for correct values)
 	Option "CRT2VRefresh" "50-100" #Vertical Refresh rate of the Monitor (check your monitor's manual for correct values)
 	Option "OverlayOnCRTC2" "true"
 	Option "CRT2Position" "Clone" #Physical location of your secondary monitor in relationship to your primary monitor.
 	Option "MetaModes" "1680x1050-1400x1050" #Monitor Resolutions for Primary-Secondary monitors 
	Option "MergedXineramaCRT2IsScreen0" "true" #determines which screen is going to be the primary screen; value can be "true" or "false"
	Option "MergedNonRectangular" "true"
EndSection

Section "Screen"
	Identifier "Default Screen"
	Device     "ATI Technologies, Inc. M22 [Radeon Mobility M300]"
	Monitor    "Generic Monitor"
	DefaultDepth     24
	SubSection "Display"
		Depth     1
		Modes    "1680x1050"
	EndSubSection
	SubSection "Display"
		Depth     4
		Modes    "1680x1050"
	EndSubSection
	SubSection "Display"
		Depth     8
		Modes    "1680x1050"
	EndSubSection
	SubSection "Display"
		Depth     15
		Modes    "1680x1050"
	EndSubSection
	SubSection "Display"
		Depth     16
		Modes    "1680x1050"
	EndSubSection
	SubSection "Display"
		Depth     24
		Modes    "1680x1050"
	EndSubSection
EndSection

Section "Screen"
	Identifier "aticonfig-Screen[0]"
	Device     "aticonfig-Device[0]"
	Monitor    "aticonfig-Monitor[0]"
	DefaultDepth     24
	SubSection "Display"
		Viewport   0 0
		Depth     24
	EndSubSection
EndSection

Section "DRI"
	Mode         0666
EndSection
 
  


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