On Mar 28, 2013, at 23:01, Dale Dellutri wrote: > What does xrandr report? Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 8192 x 8192 DVI-I-1 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 518mm x 3200mm 1920x1080 59.9*+ 1600x1200 60.0 1680x1050 60.0 1280x1024 75.0 60.0 1440x900 59.9 1280x960 60.0 1280x800 59.8 1152x864 75.0 1024x768 75.1 70.1 60.0 832x624 74.6 800x600 72.2 75.0 60.3 56.2 640x480 72.8 75.0 66.7 60.0 720x400 70.1 HDMI-1 disconnected (normal left inverted right x axis y axis) VGA-1 disconnected (normal left inverted right x axis y axis) > (I've used Matrox M9140 and the matrox prop driver. That combo provides > quad monitors with one graphics card.) That looks promising; I will have to check it out. Did you use this on Linux, and specifically CentOS? Alfred