Your looking for whats known as Xinerama support.

There are two ways to get dual display, one is by X realizing you have
multiple frame buffers and using Xinerama to combine them which the windowmanager will 
typically support (as E does).  The other is for the video
cards driver to simply make the two displays appear as a single large
frame buffer device.
We can see the following in the Nvidia Linux Readme, in Appendix I:

  o A single X screen is used.  The NVIDIA driver conceals all
    information about multiple display devices from the X server; as
    far as X is concerned, there is only one screen.

  o Both display devices share one frame buffer.  Thus, all the
    the functionality present on a single display (e.g. accelerated
    OpenGL) is available on TwinView.

  o No additional overhead is needed to emulate having a single
    desktop.

(Find the README here:
ftp://download.nvidia.com/XFree86/Linux-x86/1.0-4496/README.txt)
So you can see....... with TwinView you shouldn't have to do anything
except configure X and start your E.  The window manager needs no knowlage
of the fact that you have multiple displays.  This is one thing that makes
Twin View in some ways nicer than Xinerama.
  Good Luck.

 benr.

<quote who="James P Dugan">
> Hi all,
>
> I was just wondering where I could find some information on
> Enlightenment's support (or how it functions) when dual displays are
> present.  I would like to use the TwinView functionality of my NVidia
> card with enlightenment if possible.  When I looked at the built in
> help in enlightenment, I did not see any reference to dual display
> functions.
>
> Thank you in advance for any help you can give me,
>
> James P Dugan


-- 
//Ben Rockwood - UNIX Systems Admin
//email: [EMAIL PROTECTED]
//web: www.cuddletech.com
//-> We do what we can, We give what we have,
//-> Our doubt is our passion, and our passion is our task,
//-> The rest is the madness of Art.
//->   -Henry James





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