[rescue] Re:o2 dualhead

[rescue at sunhelp.org]

 >How they do that?  I
 >wouldn't think that cobalt would be upto the task.
 
  Look at:
 http://www.sgi.co.nz/Products/PDF/2019.pdf
 
It says 1280x1024 at 75 Hz and just below that "38 Hz 
graphics update rate". So they are using one framebuffer to 
drive the two monitors sequentially. In the box is probably 
some memory that produces an echo of the video signal, 38 
Hz would look very bad on a 21" :). This works with the 
same principle as stereo viewing (for cheap stereo, take a 
look at my page: http://huizen.dds.nl/~roosmcd)
 
   regards,
    Michiel