 Curious About Usb, Is there a difference? |
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 Feb 12 2007, 10:19 AM
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 Senior Member  Group: Members Posts: 490 Joined: 27-October 06 From: Illinois (the land of strange laws) Member No.: 92,392  |
kind of hoping to learn some computer theory along the way.  cheers, bg04 -------------------- "Nobody realizes that some people expend tremendous energy merely to be normal." -Albert Camus
"Chance favors the prepared mind." -Louis Pasteur "If a man does his best, what else is there?" -George S. Patton |
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Feb 12 2007, 10:49 AM
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 Bleepin' WormBreath Group: Moderator Posts: 2,390 Joined: 28-January 06 From: Upstate NY Member No.: 52,789 |
I'm sure that in the entire technical scheme of things, there's a difference. However, I've had a pci usb card installed and then removed it (only to whish I left it installed). When I had things running from the pci over the usb off the motherboard, I didn't notice any difference in speed or performance. As for wich is better, well, based on my experience, I can't say one way or the other wich is better, as I saw no difference between the two.
There's some good reading on it HERE from Wikipedia. Hope this helps at least a little bit! 
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Feb 13 2007, 06:14 AM
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 Forum Addict Group: BC Advisor Posts: 1,875 Joined: 25-November 04 From: Finland Member No.: 5,870 |
Adding a PCI card will always add something more to the communication and so reduce the bandwidth and increase latency. However, I believe the performance differences between different USB controllers will mask any performance difference between onboard and PCI USB.
-------------------- "Anyone who cannot form a community with others, or who does not need to because he is self-sufficient [...] is either a beast or a god." Aristotle
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Feb 13 2007, 11:45 AM
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 Distinguished Member Group: Members Posts: 645 Joined: 2-April 04 From: Fulton, NY > Snow country. Member No.: 53 |
If your onboard USB ports are USB 1.0/1.1 and the PCI USB card is USB 2.0 there will be a vast improvement in transfer speed for USB 2.0 devices.
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