koetsu@Thor:~$ xrandr --newmode “2048x1152_60.00″ 197.97 2048 2184 2408 2768 1152 1153 1156 1192 -HSync +Vsync

koetsu@Thor:~$ xrandr --addmode LVDS1 2048x1152_60.00
X Error of failed request:...