My iMac G5 of the same gen as your PowerMac using the same proc had this problem. It turned out to be RAM
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Yeah. I suppose the real thrust of my post would be…
(a) move to 8.6?
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That's what it was originally running; it was just as bad.(I downgraded to 8.5 to see if it would make a difference)
( B) is ther…