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Thread: USB 2.0?

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    USB 2.0?

    Hi,

    How many times faster is the data throughput with USB 2.0 compared to the 1.1 standard?
    Where can I get this documented on the web?

    Thanks,

    m.q.

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    Re: USB 2.0?

    Try http://www.usb.org and have a look at the FAQ. USB 2.0 is a lot faster!
    -Mark

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    Re: USB 2.0?

    It's almost as fast as firewire <img src=/S/exclamation.gif border=0 alt=exclamation width=15 height=15>

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    Re: USB 2.0?

    Not any more.

    Latest Firewire is faster than USB 2.

    Main advantage of USB is backward compatability with USB 1.1 and just about all computers made in the last 5 years or so have either USB 1.1 or 2.0.

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    Re: USB 2.0?

    Almost, yes - but different applications. USB typically costs less and is geared more towards scanners, printers et al, while Firewire (IEEE-1394) has a higher sustained throughput and costs a little more. Firewire is better suited to high-demand applications such as video editing and other similar tasks where performance is more critical than the price point. Whether you or I could really tell the difference (outside of the connectors)....who knows? <img src=/S/smile.gif border=0 alt=smile width=15 height=15> It's fast!!
    -Mark

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    Re: USB 2.0?

    It is fast. When I want to copy a CD onto my iPod it takes, on average 5-10 minutes to upload the music files to my HD. However once I plug the firewire cable into the iPod - 20 seconds max to download the same files. And this is with firewire 400. I'll probably update my home machine this year, but I'm waiting for them to use both firewire 800 and USB 2.

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    Re: USB 2.0?

    local Fry's store offered a PCI USB 2.0 card for $0.00 after rebate last week. Maybe I should get one next time when the same offer comes out again. I have two questions:
    1) Does USB 2.0 use a different cable than USB 1.1?
    2) For digital camcorder, is Firewire better than USB 2.0?

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    Re: USB 2.0?

    Hey Dennis,
    Unless you know someone that is gonna pay you to take that USB 2 card it's gonna be hard to beat <img src=/S/free.gif border=0 alt=free width=30 height=15>. <img src=/S/grin.gif border=0 alt=grin width=15 height=15>

    The plugs for USB 1.1 & 2.0 are the same (backward compatible, remember)

    Firewire is the better choice for the camcorder, but I doubt that you or I would notice any difference on a personal use level.
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    Re: USB 2.0?

    Mark,
    It is my impression that a USB 2.0 cardadapter will give you the CAPABILITY to run 2.0, but only if your devices are 2.0, will you get the speed bump to 2.0. They will work OK but at the slower 1.1 speed. Is that correct?

    Bob
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    Re: USB 2.0?

    Bob- correct. USB 1.1 devices will work interchangeably with the newer ones but can't make use of the speed gains.
    -Mark

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    Re: USB 2.0?

    You also need to be careful about which 'flavour' of USB 2.0 you're getting. There's three of them - low speed, full speed and high speed - and they're all official. The first two, though, are no more than re-badged USB 1.1 devices and go no faster than other 1.1 devices in a USB 2.0 system. USB 2.0 high speed devices run up to 40 times faster than their 1.1/2.0 (full speed) cousins.

    Cheers
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    Paul Edstein
    [MS MVP - Word]

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    Re: USB 2.0?

    This statement is really a knock on my head. How to tell which is which? If I am going to buy a mother board which claims a built-in USB 2.0 port, how to tell if it is rebadged or high speed? The same question is on the USB 2.0 digital camcorder.

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    Re: USB 2.0?

    I expect that each mobo manufacturer has downloadable specs, installation instructions at their web site.

    Actually, I would not buy a mobo, or any other hardware, from a manufacturer that did not provide such specs at their web site.

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    Re: USB 2.0?

    I think you'll find that the computer itself is putting out the "High Speed" version. The reference to the different flavors pertains to the devices that attach to the system.
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    Re: USB 2.0?

    Microstar is a reputable mobo mfg. I look into Microstar's website for a new mobo, MS-6570 . I saw the specification showed only USB 2.0. How to tell if it is a "high speed USB 2.0"?
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