You can safely take it off... Yea it's the rumble motor.
Also, I have PCBs, I have to go through a BOX (you don't know how painful it is!!!) The box is huge!
nasty n8 should be getting hired this week at my place, if he does, I'm going to make him my bitch and order him around to find some bwahaha
BTW, I don't know if that code will work, for the game card, I think they're all expired. ;x