Dual-head on i810 driver -- almost works

Greg Stark gsstark at mit.edu
Thu May 3 06:52:22 PDT 2007

Andrew McMillan <andrew at mcmillan.net.nz> writes:

> > I can't figure out how to turn off clone mode. The man page no longer lists
> > the driver-specific options to control multi-head layouts and instead says to
> > use 'Option "Clone" "false"' in the ServerLayout section. I've tried this but
> > it still gives me two copies of the same screen.
> You need to:
> (a) add a "Virtual" line to the appropriate Subsection "Display" within
> Section "Screen", like:
>            Virtual         2680 1050
> i.e. (1400 + 1280)wide x (1050)high for my own case.

Really? BITD the server figured out the virtual size by adding together the
sizes of the screens in the serverlayout section.

> (b) Use xrandr, to choose a non-clone configuration.  To turn on my
> external 1280x1024 monitor and put it to the right of my laptop screen,
> I use something like this:
> xrandr --output VGA --auto --pos 1400x0 --right-of LVDS

Huh, this xrandr thing looks cool. But can't I specify this in xorg.conf


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