According to this Technote you may be able to resurrect your FireWire or USB ports by disconnecting all devices except keyboard and mouse and powering down your Mac for 3 to 5 minutes.
MacGeekery at its finest!
According to this Technote you may be able to resurrect your FireWire or USB ports by disconnecting all devices except keyboard and mouse and powering down your Mac for 3 to 5 minutes.