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Thread: file transfer speed...very slow

  1. #1
    AJB Guest

    file transfer speed...very slow

    Whe transfering 4 files from a thumb drive to my vista system...or visa
    versa...taks a very long time...much longer that on my xp system. I
    addition I am asked to varify my actions each time...whic slows things down
    even more.

    What can I do?


  2. #2
    John Hanley Guest

    Re: file transfer speed...very slow

    I found that turning off "Remote Differential Compression" sped up my file
    transfers significantly. You could try it by:

    Control Panel|Programs and Features|Turn Windows Features on or off|uncheck
    Remote Differential Compression.

    I have found no negatives to turning off RDC, and you can always turn it
    back on again.

  3. #3
    Dave Guest

    Re: file transfer speed...very slow

    I also understand SP1 will be addressing this issue as well.

  4. #4
    R. C. White Guest

    Re: file transfer speed...very slow

    Hi, AJB.

    Your USB thumb drive is 2.0, right? And all drivers, hubs, and other
    components are 2.0? Since you are running Vista on this computer, I assume
    that your USB is all 2.0, but if you are using legacy hardware or software,
    it might be using the older, slower USB.

  5. #5
    Flash Gordon Guest

    Re: file transfer speed...very slow

    Hi,

    Actually that brings to mind a good question (I think).

    My computer was built with 14 months ago and I would assume all USB ports
    would be 2.0....

    How can I check this is true for all the computers' USB ports (Front and
    back, etc.)?

  6. #6
    John Hanley Guest

    Re: file transfer speed...very slow

    Possibly this has been suggested, but...I found that my file transfers both
    to external devices and within my hard drive were greately speeded up when I
    disabled Remote Differential Compression. You could try it by:
    Control Panel|Programs and Features|Turn Windows Features on or off|uncheck
    Remote Differential Compression.

    I have found no negatives to turning off RDC, and you can always turn it
    back on again.

  7. #7
    AJB Guest

    Re: file transfer speed...very slow

    My thumb drive is 2.0...wow and I check on my desktop usb?

  8. #8
    AJB Guest

    Re: file transfer speed...very slow

    How much of a difference should I expect to see...I hae follwed your
    suggestion and am looking to see change.

  9. #9
    John Hanley Guest

    Re: file transfer speed...very slow

    The only quantitative test I did was a quickie test, consisting of copying a
    1.91 GB
    folder from my main hard drive to a folder on an external USB drive.

    Results:

    With RDC turned on: 3:23 - three minutes and 23 seconds (using a
    stopwatch).

    With RDC turned off: 2:25 – two minutes and 25 seconds.

    So this quickie test reduced the copy time by about one minute, or a 33%
    improvement. Not sure it is a valid test, but interesting. I also am
    observing much faster file copy and move within my hard drive, remarkably
    so. The whole system feels faster. Note that I did not do a reboot after
    turning RDC off. I will leave it off, because even though my file
    transfers were quite fast before, they are even faster now.

    Will be interested to see your results.

  10. #10
    R. C. White Guest

    Re: file transfer speed...very slow

    Hi, AJB.

    The fastest drive in the world will be slow if it is plugged into a USB 1
    port. That's why I asked about drivers, hubs, etc. And you didn't answer
    that part of the question.

    If you have a brand new motherboard with all USB 2.0 ports, but with an old
    legacy USB 1 hub plugged into your USB 2.0 motherboard port, with the new,
    fast, USB 2.0 drive plugged into the hub - you'll get only USB 1.0 speed.
    :>( Simply plugging that drive directly into the mobo, bypassing the hub,
    might solve your problem.

    The old "weakest link" analogy comes to mind.

    I could make other guesses, but I would just be shooting in the dark without
    knowing more about your whole USB "chain".

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