External monitor on laptop

From: Tim (it2gati_at_ituniv.se)
Date: 06/18/04

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    Date: Thu, 17 Jun 2004 23:16:21 GMT

    I have a problem that must be almost as trivial as it can be and still
    be a problem but I haven't been able to find an answer in google
    groups, only questions.

    I Have a laptop with Fedora core 2 (and thereby Xorg), sometimes I plug
    in an external monitor (via portreplicator), this works but it is
    flickering and have a weired resolution (same as the laptop usually has
    I guess).

    What is it that I must add to my /etc/X11/xorg.conf to give other
    settings for the other monitor? I don't want anything fancy, I just want
    the other monitor to be a generic monitor with 800*600 and a a couple of
    thousand collors. It seems trivial but...

    The xorg.conf file seems to have the same or very similar syntax as
    XF86Config so if you have a solution for either one I am happy.

    I attatch my current xorg.conf, maybe someone can more easy see the
    solution then?

    Thanks a lot in advance!

    Tim

    cat /etc/X11/xorg.conf
    # Xorg configuration created by system-config-display

    Section "ServerLayout"
             Identifier "single head configuration"
             Screen 0 "Screen0" 0 0
             InputDevice "Mouse0" "CorePointer"
             InputDevice "Keyboard0" "CoreKeyboard"
    EndSection

    Section "Files"

    # RgbPath is the location of the RGB database. Note, this is the name
    of the
    # file minus the extension (like ".txt" or ".db"). There is normally
    # no need to change the default.
    # Multiple FontPath entries are allowed (they are concatenated together)
    # By default, Red Hat 6.0 and later now use a font server independent of
    # the X server to render fonts.
             RgbPath "/usr/X11R6/lib/X11/rgb"
             FontPath "unix/:7100"
    EndSection

    Section "Module"
             Load "dbe"
             Load "extmod"
             Load "fbdevhw"
             Load "glx"
             Load "record"
             Load "freetype"
             Load "type1"
             Load "dri"
    EndSection

    Section "InputDevice"

    # Specify which keyboard LEDs can be user-controlled (eg, with xset(1))
    # Option "Xleds" "1 2 3"
    # To disable the XKEYBOARD extension, uncomment XkbDisable.
    # Option "XkbDisable"
    # To customise the XKB settings to suit your keyboard, modify the
    # lines below (which are the defaults). For example, for a non-U.S.
    # keyboard, you will probably want to use:
    # Option "XkbModel" "pc102"
    # If you have a US Microsoft Natural keyboard, you can use:
    # Option "XkbModel" "microsoft"
    #
    # Then to change the language, change the Layout setting.
    # For example, a german layout can be obtained with:
    # Option "XkbLayout" "de"
    # or:
    # Option "XkbLayout" "de"
    # Option "XkbVariant" "nodeadkeys"
    #
    # If you'd like to switch the positions of your capslock and
    # control keys, use:
    # Option "XkbOptions" "ctrl:swapcaps"
    # Or if you just want both to be control, use:
    # Option "XkbOptions" "ctrl:nocaps"
    #
             Identifier "Keyboard0"
             Driver "keyboard"
             Option "XkbModel" "pc105"
             Option "XkbLayout" "us"
    EndSection

    Section "InputDevice"
             Identifier "Mouse0"
             Driver "mouse"
             Option "Protocol" "IMPS/2"
             Option "Device" "/dev/input/mice"
             Option "ZAxisMapping" "4 5"
             Option "Emulate3Buttons" "yes"
    EndSection

    Section "Monitor"
             Identifier "Monitor0"
             VendorName "Monitor Vendor"
             ModelName "LCD Panel 1400x1050"
             HorizSync 31.5 - 90.0
             VertRefresh 59.0 - 75.0
             Option "dpms"
    EndSection

    Section "Device"
             Identifier "Videocard0"
             Driver "radeon"
             VendorName "Videocard vendor"
             BoardName "ATI Radeon Mobility 7500"
    EndSection

    Section "Screen"
             Identifier "Screen0"
             Device "Videocard0"
             Monitor "Monitor0"
             DefaultDepth 24
             SubSection "Display"
                     Viewport 0 0
                     Depth 16
                     Modes "1400x1050" "1280x1024" "1280x960" "1152x864"
    "1024x768" "800x600" "640x480"
             EndSubSection
             SubSection "Display"
                     Viewport 0 0
                     Depth 24
                     Modes "1400x1050" "1280x1024" "1280x960" "1152x864"
    "1024x768" "800x600" "640x480"
             EndSubSection
    EndSection

    Section "DRI"
             Group 0
             Mode 0666
    EndSection

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