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#1 2008-03-02 10:08:13

Ub1476
Member
Registered: 2008-01-21
Posts: 69

How do I setup a dual monitor (ATI fglrx with KDE)?

Hi, I'm trying to setup a dual monitor.. I connected with DVI to DVI and after restarting X the second monitor becomes a mirror/clone of the first (original laptop screen). However, I don't want it to be mirrored. I only want to have windows I drag over to it on the second monitor. How do I do that? In Control Center>Display, I can only choose settings for screen 1, I don't know why it can't find my 2. screen (even though X does).

Here's xorg.conf (I would appreciate if I could stick to only configuring it in Control Center though):

# 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 xorg.conf manual page.
# (Type "man 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 "Files"
EndSection

Section "InputDevice"
        Identifier      "Generic Keyboard"
        Driver          "kbd"
        Option          "CoreKeyboard"
        Option          "XkbRules"      "xorg"
        Option          "XkbModel"      "pc105"
        Option          "XkbLayout"     "no"
EndSection

Section "InputDevice"
        Identifier      "Configured Mouse"
        Driver          "mouse"
        Option          "CorePointer"
        Option          "Device"        "/dev/input/mice"
        Option          "Protocol"      "ImPS/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          "HorizEdgeScroll"       "0"
EndSection

Section "InputDevice"
        Driver          "wacom"
        Identifier      "stylus"
        Option          "Device"        "/dev/input/wacom"
        Option          "Type"  "stylus"
        Option          "ForceDevice"   "ISDV4"# Tablet PC ONLY
EndSection

Section "InputDevice"
        Driver          "wacom"
        Identifier      "eraser"
        Option          "Device"        "/dev/input/wacom"
        Option          "Type"  "eraser"
        Option          "ForceDevice"   "ISDV4"# Tablet PC ONLY
EndSection

Section "InputDevice"
        Driver          "wacom"
        Identifier      "cursor"
        Option          "Device"        "/dev/input/wacom"
        Option          "Type"  "cursor"
        Option          "ForceDevice"   "ISDV4"# Tablet PC ONLY
EndSection

Section "Device"
        Identifier      "Generic Video Card"
        Driver          "fglrx"
        Busid           "PCI:1:0:0"
        Option              "XAANoOffscreenPixmaps" "on"
        Option          "VideoOverlay"  "on"
        Option              "TexturedVideo" "on"
        Option              "Textured2D" "on"
        Option              "TexturedXrender" "on"
        Option              "UseFastTLS" "1"
        Option              "BackingStore" "on"
        Option              "MaxGARTSize" "128"
        EndSection

Section "Monitor"
        Identifier      "Generic Monitor"
        Option          "DPMS"
        Horizsync       30-70
        Vertrefresh     50-160
EndSection

Section "Screen"
        Identifier      "Default Screen"
        Device          "Generic Video Card"
        Monitor         "Generic Monitor"
        Defaultdepth    24
EndSection

Section "ServerLayout"
        Identifier      "Default Layout"
  screen "Default Screen"
        Inputdevice     "Generic Keyboard"
        Inputdevice     "Configured Mouse"
        Option              "AIGLX" "on"

        # Uncomment if you have a wacom tablet
        #       InputDevice     "stylus"        "SendCoreEvents"
        #       InputDevice     "cursor"        "SendCoreEvents"
        #       InputDevice     "eraser"        "SendCoreEvents"
        Inputdevice     "Synaptics Touchpad"
EndSection

Section "Extensions"
        Option          "Composite"     "Enable"
        Option              "RENDER"     "Enable"
        Option              "DAMAGE"    "Enable"
EndSection

Section "DRI"
       Mode 0666
EndSection

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#2 2008-03-02 12:20:57

Cerebral
Forum Fellow
From: Waterloo, ON, CA
Registered: 2005-04-08
Posts: 3,108
Website

Re: How do I setup a dual monitor (ATI fglrx with KDE)?

Try using amdcccle (from the command-line) if you want to avoid configuring in Xorg.conf

Otherwise, you can try Option "DesktopSetup" "horizontal" in your fglrx device section

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