Problem with syntax configuring xorg.conf...

Alex Deucher alexdeucher at
Fri Mar 14 23:04:39 PDT 2008

On Fri, Mar 14, 2008 at 11:38 PM, Jaromír Mikeš <mira.mikes at> wrote:
> Hello,
>  I trying to set-up xorg.conf file with option switch between clone mode and non-clone mode.
>  Don't know why dasn't work..
>  1) My bad syntax?
>  2) Complicated access for shortcut (Alt-Ctrl-+/-) on my laptop ... + is accesible via Shift

What version of the driver are you running?  mergedfb support was
deprecated during the 6.7.19x series in favor of xrandr 1.2 support.
If you are running driver version 6.7.19x or newer, toggling between
clone and dualhead is easy using the xrandr utility.  See this page
for more info:

>  My syntax:
>  Section "Device"
>         Identifier      "ATI Technologies Inc M26 [Radeon Mobility X700]"
>         Driver          "ati"
>         BusID           "PCI:1:0:0"
>         Option          "MergedFB" "true"
>         Option          "CRT2Position" "Above"
>         Option          "Metamodes" "(1680x1050-1680x1050)(1680-1050)"

The metamodes option is wrong.  You want something like this:
Option          "Metamodes" "1680x1050-1680x1050 1680-1050"


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