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Question About Firewire/USB 2.0

Mon Feb 02, 2004 7:19 am

I just bought a Sony Digital Camcorder and it is supposed to connect to my PC via firewire. I currently only have USB 1.1 and was wondering do I just buy a firewire card + cable? Also, is there any difference between USB 2.0 and Firewire or are the names interchangeable for the same thing?
I used to think the brain is the most fascinating part of my body. But, hey, who is telling me that?
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RE: Question About Firewire/USB 2.0

Mon Feb 02, 2004 7:27 am

No, FireWire and USB are technologically very different.

While FireWire is a real device interconnection bus, USB is only a PC-centric polled peripheral connection protocol which is much less flexible and (even with USB2) much slower than FireWire.

USB 1 theoretically allows 12MBit/s
USB 2 theoretically allows 480MBit/s (in practice much slower)

FireWire also comes in two speeds, 400 or 800MBit/s, but in this case, the speed is actually attainable.

So no, you really need that extra FireWire interface for your camera, but FireWire 400 will normally suffice.

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