With two graphics cards, it's possible to set up a multiseat system with
some effort (given that no major distribution supports it out of the box).
I was wondering if it's possible to set up a multiseat system with just
one graphics card (having i.e. HDMI, VGA and DVI outputs)?
The only info I found on the subject is this one[1] from year 2005:
(1) Use a video card that has two complete, separate video systems on
one card, with each one addressable separately on the PCI bus. As far as
I know, only a few Matrox cards fall into this category.
(2) Use cards where each output can be separately driven by the kernel
framebuffer drivers, then layer the X servers on top of that. Usually
used with (1).
(3) Run one X server that covers both screens, then use a nested X
server (Xnest or the k-drive based equivalent) on each screen. This is
inefficient, because there's two layers of X server between the clients
and the hardware.
[1]
http://blog.chris.tylers.info/index.php?/archives/14-Multiseat-X-Under-X11R6.97.0.html
--
Tomasz Chmielewski
http://wpkg.org
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