Yea , probably the fire wire port on cam is blown. Its very common on older cameras. Older macs actualy had a high chance of frying FW ports on the cam if you plugged in the cam first then the computer. Its less comeon on newer systems but stillposible if plugged in the wrong order. (comp end should always be plugged in first.) Sorry for the bad news. I'd recommend getting a cheapo consumer grade cam to use for digitizing. Since mini dv is a digital signal any mini dv device can play it back with no quality loss.
