> I was able to get that working using my numbers for the Dell 30" 3008WFP > > xrandr --dpi 220 --fb 8960x5360 \ > --output eDP1 --mode 3840x2160 --pos 5120x0 \ > --output DP1 --scale 2x2 --pos 0x0 --panning 5120x3200+3840+0 I made a mistake there that should have been: xrandr --dpi 276 --fb 5120x3200 \ --output DP1 --scale 2x2 --mode 2560x1600 --panning 5120x3200 \ --output eDP1 --off -- Tyler