Recently I've bought this quite nice boxie, mainly for playing with it.
Here's what I have in mine, I've updated to next available firmware version, 1417, since last one almost got my box broken.
BusyBox v1.16.1 (2010-09-18 17:01:14 CST) built-in shell (ash)
Enter 'help' for a list of built-in commands.
USBStation2> echo 3 > /proc/sys/vm/drop_caches
total used free shared