A Developer's Perspective on Apple's 12-inch PowerBook
Subject:   USB 2 actually is available for power macs
Date:   2003-04-03 09:21:34
From:   anonymous2
Response to: USB 2

I have a PCI USB 2.0 card in my crusty ol' beige G3, and it works fine in OS X 10.1 and 10.2 without any special drivers. I just plugged it in and it worked fine!