desert@wz5dff ~ $ xrandr --newmode "1600x900_60.00" 119.00 1600 1696 1864 2128 900 901 904 932 -HSync +Vsync
desert@wz5dff ~ $ xrandr --output VGA-0 --mode 1600x900_60.00
xrandr: cannot find mode 1600x900_60.00
desert@wz5dff ~ $ xrandr
Screen 0: minimum 320 x 200, current 1024 x 768, maximum 8192 x 8192
HDMI-0 disconnected (normal left inverted right x axis y axis)
VGA-0 connected primary 1024x768+0+0 (normal left inverted right x axis y axis) 0mm x 0mm
   1024x768       60.0*
   800x600        60.3     56.2
   848x480        60.0
   640x480        59.9
  1600x900_60.00 (0x2d9)  119.0MHz
        h: width  1600 start 1696 end 1864 total 2128 skew    0 clock   55.9KHz
        v: height  900 start  901 end  904 total  932           clock   60.0Hz
desert@wz5dff ~ $ xrandr --output VGA-0 --mode 1600x900_60.00xrandr: cannot find mode 1600x900_60.00
desert@wz5dff ~ $ xrandr --addmode S-video 1600x900_60.00
xrandr: cannot find output "S-video"