I am agreeing with Jen and Simon that I need to take it to Apple. The devises work fine on another Mac and suggestions to fix it - shutting down, removing cables, resetting the SMC, did not work. Allan Jens Selvig wrote: > Sounds to me like a hardware issue. Do you have an Apple store or > dealer near you? I assume you restarted your computer as a test. Were > you using the same cable when testing on the hard drive? > > Jens > > > On Jan 7, 2007, at 6:11 PM, Allan Rube¹ wrote: > >> I have a MacPro running 10.4.8. I have a firewire compact card >> reader. It >> worked fine till today. It is not recognized. I even ran system >> profiler and >> nothing shows up on the bus. I then plugged in a firewire hard >> drive with >> the same result. >> >> It is not the reader or the drive as they work fine on my G4 Mac. >