Re: dual 1600x1200 LCD's via DVI ok, but four 1600x1200 LCD's via DVI??

From: Adam K Kirchhoff (adamk_at_voicenet.com)
Date: 02/08/04 

Date: 08 Feb 2004 09:57:58 -0500

"Mark T. Kennedy" <mark@columbia.edu> writes:

> dual-headed desktops are well supported by a variety of cards. dual
> 1600x1200 LCD's connected via DVI are less well supported but
> there are cards that will do it, e.g. the matrox parhelia or some of
> nvidia's high end cards.
>
> are there any near-commodity display adapter pairs that will
> support four 1600x1200 LCD's via DVI? e.g. one AGP card and
> one PCI card? if there are, can the pair be controlled
> by one X server instance? if it can, would xinerama work across
> all four displays? what kinds of programs would fail to run or
> would not run well because of the slow (busy) PCI data path to
> the PCI adapter instance?
>
> if two X server instances are required (one for each adapter), can
> you run xinerama on each X server instance, yielding two logical
> displays from four physical LCD's? would there be a way to let
> the mouse track from one logical display (left-most pair of
> displays) to the other (right-most pair of displays)?
>
> thoughts/comments?
>
> /mark

I can't speak from experience, but I am pretty sure that you can find
two Matrox cards to do what you're looking for, and they *should*
handle Xinerama just fine.

Adam

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