Hexus gaming and Joystiq are reporting that there is a new secret code to clear your hdd cache on the 360.

Go to the 'Memory' blade, and highlight the 'Hard Drive'
Hit the following buttons: Y, X, X, LB, RB, X,X

Why would you want to do this you ask? Well, one example I've heard is that this will unapply the patch to oblivion - meaning you can use all the exploits you want. It should also make your console run a little faster.

Yeah, it's a weird, random little code(?) It makes me wonder what other sort of secrets may lurk in the 360.

It sorta makes you wonder what other little tricks you might be able to