I participated in the discussion at http://forums.cnet.com/5208-7590_102-0.html?threadID=52185 but it appears that many found many different answers.
My answer is to go with the one that works for you.
when i connect my 1gb apple ipod there is a error.
power surge on usbport.and disconnecting my net modem.
if found ipod for 1 minute there is a error like i/o driver error.
how can i rid this problem