2 different connections feed into the hard drive in 2 different ways.
Try the Firewire connection in another computer just to be sure.
If you don't have access to one, take it back to the store and exchange it because it appears to be broken.
Try the Firewire connection in another computer just to be sure.
If you don't have access to one, take it back to the store and exchange it because it appears to be broken.