I don't know about purposely crippling, but I do know that USB was created as replacement bus for PS/2 devices. It was meant for keyboards and mice. I know that if you put a USB 1.2 device on a USB 2 bus, the speed drops down to USB 1.2 and I know that when given an choice between USB and IEEE 1394, I will go w/ FireWire every single time... On 5/26/05, Randy B. Singer <randy at macattorney.com> wrote: > DZ-Jay said: > > >Quick question: Which is faster/more reliable/better, FireWire or USB > >2.0. My new external drive comes with an option for both. At the > >moment, I'm using it with FireWire -- but this decision was highly > >unscientific, as it was based solely on "FireWire" sounding much cooler > >than "USB 2.0" :) > > > On a Macintosh, at least using built-in USB 2.0 on the most recent Macs, > USB 2.0 is about half the speed of FireWire and also about half the speed > of USB 2.0 running on a Windows PC. Some folks have gone so far as to > accuse Apple of purposely crippling USB 2.0 on the Macintosh. > > See the note at the bottom of: > http://forums.xlr8yourmac.com/action.lasso?-database=faq.fp3&-layout=FaqLis > t&-response=answer.faq.lasso&-recordID=33290&-search > > Also see: > http://www.barefeats.com/usb2.html > > I have no idea how well USB 2.0 works if you have an added USB 2.0 PCI > card. But it seems to me that it be best to go with FireWire instead of > USB 2.0. > > Interestingly, from what I've read, FireWire on a PC is about half the > speed of FireWire on a Macintosh. With folks accusing Microsoft of > crippling FireWire on the PC. > > Another issue comes to mind. Can one boot from a USB 2.0 drive? Apple > has never supported booting from a USB 1.1 drive: > http://docs.info.apple.com/article.html?artnum=106474 > > > > Randy B. Singer > Co-Author of: The Macintosh Bible (4th, 5th and 6th editions) > > Routine OS X Maintenance and Generic Troubleshooting > http://www.macattorney.com/ts.html > > _______________________________________________ > X4U mailing list > X4U at listserver.themacintoshguy.com > http://listserver.themacintoshguy.com/mailman/listinfo/x4u > > Listmom is trying to clean out his closets! Vintage Mac and random stuff: > http://search.ebay.com/_W0QQsassZmacguy1984 > -- You got three pair. You can't have three pair. You can't have six cards in a five card game. --Rusty