On Fri, Dec 21, 2001 at 05:52:29PM -0500, Martial MICHEL wrote:
> We are trying to use a Matrox G450 video card (latest drivers
> and HAL from the Matrox web site) (running XFree 4.1) to display both
> on a monitor and a video projector (via a KVM).
I'm not clear on how this is set up. you have two heads, one KVM
switch, and two displays by the sound of it. where does the KVM fit in?
> We have an SDL software that goes from the current resolution
> (1280x1024) and open a 800x600 full screen interface. This appears
> perfectly on the monitor (Head 1), but the second head shows it to us
> in the top left part of the 1280x1024 screen.
it sounds like a driver problem of some sort.
my advice would be just run both heads at the 800x600 resolution,
since that's what your application seems to want; and keep things simple
that way.
is there a reason you can't do this? am I missing something?
> Section "Screen"
> Identifier "Display 2"
> Device "MATROX CARD 2"
> Monitor "Display 2"
> DefaultDepth 24
> SubSection "Display"
> Depth 24
> Modes "1280x1024@85Hz:1" "1024x768" "800x600@85Hz:1" "640x480"
> EndSubSection
> SubSection "Display"
> Depth 8
> Modes "1280x1024@85Hz:1" "1024x768" "800x600@85Hz:1" "640x480"
> EndSubSection
> SubSection "Display"
> Depth 16
> Modes "1280x1024@85Hz:1" "1024x768" "800x600@85Hz:1" "640x480"
> EndSubSection
> EndSection
I'd say just cut away the modes you don't need.
have you tried swapping heads? (putting the projector on head 1, and the CRT
on head 2). the behavior may not be different, but it may be more acceptable. :)
Carl Soderstrom
--
Network Engineer
Real-Time Enterprises
www.real-time.com
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