One of a few things could be happening: 1) ports fried 2) ports need to be reset If you are using OS X, boot into open firmware Reboot your machine and hold down CMD-Option-O-F When you reach the firmware screen, type Reset-all And press return See if the ports are working again (hopefully)..... http://fwdepot.com > I Have a PowerMacintosh G4 733Mhz. Two weeks ago I found that the > firewire ports didn't respond when I connected an external DVD drive or > and iPod > > I don't know what is happening? > > thanks > > > Armando Higuera > > > ---------- > MacFireWireTalk list, a listserv for discussion of FireWire on Macintosh. > FAQ at <http://www.themacintoshguy.com/lists/FireWireFAQ.shtml>. > > ADS Tech.| PYRO Drive Kit: convert your drive to firewire! > Dr. Bott | Now $169.00 <http://www.drbott.com/prod/ADS.html> > > Cyberian | Support this list when you buy at Outpost.com! > Outpost | http://www.themacintoshguy.com/outpost.shtml > > FireWire | 2.5" and 3.5" FireWire hard disk enclosures > Depot | starting at $95!! <http://www.fwdepot.com> > >