i know that 2.1.1 was not jailbreakable and all of a sudden 2.2 firmware was released and is jailbreakable. when i plug in my ipod touch second generation on my MAC and go to the menu where it shows an iphone, an ipod touch, and an iphone 3G. it does not detect my ipod touch second generation. any help? i dont have a clue on what to do