10.4.11 external firewire audio device noise/distortion

Hi
Subsequent to upgrading to 10.4.11 I now have persistent noise from my external firewire audio device. It's an Edirol FA-101 and worked perfectly in 10.4.10 and earlier. I tried replacing the firewire cable with no effect.
The FA-101 is a class compliane device so uses Apples built in firewire audio drivers.. has anyone else had firewire audio problems with 10.4.11?
Thanks
Mark

No I doubt it... FW can be strange sometimes.
Look in Sytem Profiler, if it says you don't have FW at all, then remove all power from the iMac, let it set a few hours to Drain down, plug back in everthing.
Or...
http://docs.info.apple.com/article.html?artnum=301733

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