hi I'm a bit of a newbie to this so I'm trying to figure out this problem I've been trying to upgrade my Mac Pro 1.1 to the 2.1 firmware using the Mac Pro 2006-2007 Firmware Tool and I've been watching Youtube tutorials to get the idea on how to do but I keep coming up with an error message everytime I try to update the firmware the program has occurred an error 5570 if you took the time to help me figure it out I would much appreciate it here are my specs to give you an idea