/maxfps fg|bg # - Sets the foreground or background framerate
/fps mode [absolute|calculate] - Changes the mode used by /maxfps to absolute or calculate.
You can specify the mode, or use /fps mode to toggle between the two.
/fps on|off - Enables or disables the framerate display
/render fg|bg #|~# - Sets the foreground or background rendering rate. This is how many out of
n frames MQ2FPS will allow to be drawn. You keep moving full speed, the client responds to mouse or keys,
the UI is still drawn... but, the world itself will not be drawn as often.