extended screen real estate under xorg (xinerama?)

Kevin Martin kevintm at ameritech.net
Thu Nov 30 12:45:49 PST 2006

Thanks to everyone who emailed me with this.  That is exactly what I was looking for.

And how strange is it that there are two of us on this list with the same first and last names?!?! (actually, probably not all that
strange now that I come to think about it)   ;-)

Kevin T. Martin

Kevin E Martin wrote:
> On Thu, Nov 30, 2006 at 12:38:31AM -0600, Kevin Martin wrote:
>> Running FC5 with Xorg on an Acer laptop and was wondering if there is a way to make the screen real estate seem larger (basically be
>> able to have a virtual screen that is much larger than my physical screen, effectively making my 14" screen display as a 30"
>> display)?  I've read some about Xinerama but that seems to be for using multiple screens, not making my tiny screen "virtually"
>> huge.  The Video card is an ATI X1300 Mobility and I'm running ATI's Linux driver.
> Hi Kevin,
> If you are talking about the ability to pan around the screen, then yes,
> there is a "virtual" option that you can add to your Display subsection
> that will allow you to specify a virtual resolution that is larger than
> your video mode.  For example, to set your video mode to 1024x768 and
> your virtual screen size to 1600x1200, you could do the following:
> Section "Screen"
>         Identifier "Screen0"
>         Device     "Videocard0"
>         Monitor    "Monitor0"
>         DefaultDepth     24
>         SubSection "Display"
>                 Viewport   0 0
>                 Depth     24
>                 Modes    "1024x768"
>                 Virtual  1600 1200
>         EndSubSection
> EndSection
> Then, when you restart the X server, your monitor will show a 1024x768
> subset of the larger 1600x1200 virtual screen.  You can use the mouse to
> pan that subset across the entire virtual screen.
> Kevin
> PS - Just thought I should answer this one since we share the same first
> and last names :-)

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