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    Late 2008 MBP USB ports not registering as 2.0?

    Discussion in 'Apple and Mac OS X' started by Kentric, Oct 29, 2008.

  1. Kentric

    Kentric Notebook Enthusiast

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    Apparently the maximum transfer rate that I get under OS X is 1.5 mb/s which If I'm not mistaken is the same as USB 1.0 speeds? The same thing happened under XP but I installed drivers for it and it registers as 2.0 now. However, try as I might, I can't find the drivers for OS X. Is it just a driver problem or is there something else to it? Does anyone know a relatively simple solution to this problem? Thanks in advance.
     
    Kentric, Oct 29, 2008
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  2. Budding

    Budding Notebook Virtuoso

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    What device are you transferring to/from? Perhaps the device requires special drivers.
     
    Budding, Oct 29, 2008
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  3. Kentric

    Kentric Notebook Enthusiast

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    One of my flash drives doesn't work in OS X period but works in XP. My friend's external hard drives works on both operating systems but only transfers at 1.5 mb/s in OS X yet works perfectly at 2.0 speeds in windows.

    The flash drive is an Attache drive from a company called PNY technologies. Even if it required special drivers, it still doesn't explain why the external hard drive worked yet could not transfer at 2.0 speeds in OS X.
     
    Kentric, Oct 29, 2008
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  4. sulkorp

    sulkorp Notebook Deity

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    Depends on the drive itself. A lot of them are limited to a certain speed. So even though it may be usb 2.0, it may be maxing out at a pretty slow speed. Less then usb2.0 spec.
     
    sulkorp, Oct 29, 2008
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  5. Kentric

    Kentric Notebook Enthusiast

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    The thing is, both devices function at 2.0 speeds in XP but seem to be "downgraded" in some way in OS X (in fact, the flash drive doesn't work at all in OS X) .
     
    Kentric, Oct 29, 2008
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  6. Budding

    Budding Notebook Virtuoso

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    They aren't all formatted the NTFS by any chance, and you're using Macfuse to access them in OS X?
     
    Budding, Oct 30, 2008
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  7. Kentric

    Kentric Notebook Enthusiast

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    Both the external HD and the flash drive are FAT32.
     
    Kentric, Oct 30, 2008
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