Best format for ReadyBoost

Discussion in 'Windows Vista Performance' started by FiOS Dave, May 7, 2008.

  1. FiOS Dave

    FiOS Dave Guest

    I am using a 2GB SD card for ReadyBoost, and want to know
    what is the best format to use for quickest operation.
    I've tried FAT, FAT32, exFAT and NTFS, but don't see much
    difference (except for available space!)
    Thanks in advance,

    FiOS Dave, May 7, 2008
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  2. FiOS Dave

    JW Guest

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  3. How much RAM do you have?

    If you have 2GB or more of RAM, the little it might do for you is so
    slight as to be almost unnoticeable.

    And if you have less than 2GB of RAM, you would do much better to
    spend your money on upgrading your RAM to 2GB than on buying a device
    for ReadyBoost use.

    So, in general, I recommend *against* using ReadyBoost.
    Ken Blake, MVP, May 7, 2008
  4. FiOS Dave

    FiOS Dave Guest

    Thanks for the answer(s).

    I have 2GB of RAM in the system, and currently have the SD card formatted
    as NTFS. Since I have no other need for the SD card, I will leave it as is.
    I understand that there are a limited number of write cycles for flash,
    and wonder if there is a way to keep track?! I guess when the flash card
    fails, I will know that I have hit that limit...

    FiOS Dave, May 13, 2008
  5. FiOS Dave

    JW Guest

    You should reformat the Ready Boost drive to FAT32 since if you do it will
    hold a lot more actual data since less space is required for the FAT 32
    directories than for the NTFS directories.
    JW, May 13, 2008
  6. FiOS Dave

    Bender Guest

    Microsoft has written Readyboost to write to the flash memory in such a way
    as to even out the wear. Expect about 10 years of constant use before the
    number of write cycles becomes limited. By then a replacement should be very
    cheap, and probably not even needed as new technology makes Readyboost
    technology obsolete (such as the newly discovered memresitor) .

    Bender, May 14, 2008
  7. FiOS Dave

    Poutnik Guest

    I would not say it is work of Microsoft.

    Whatever FileSystem is flash memory formatted for,
    internally it uses its own specialized filesystem for flash devices
    ( there are such ones )
    or at least modified version of common filesystem.

    It contains integrated memory controller chip to manage it.

    The purpose is to manage "wear leveling" to get all sectors tired in the
    same/similar speed. Some areas have extra backups.

    Without it e.g. FAT32 File allocation table area would get damaged soon.
    Poutnik, May 15, 2008
  8. FiOS Dave

    RobinGB Guest

    Just an update to this thread for anyone reading this now that flas
    cards over 4 GB are very common... I dont know if vista's readyboost ha
    been updated in line with Win7 but for Win 7 the readyboost cache can b
    upto 256Gb, hence if your flash card is more than 4Gb you are recomende
    to format it as NTFS. If you format it as FAT32 readyboost will onl
    ever suggest a 4Gb cache as the cache is a single file, and FAT32 limit
    files to 4Gb in size. I changed my 8gb card from Fat32 to NTFS henc
    increasing my readyboost cache from 4gb to 8gb on a duo core PC with 4G
    of ram and the further improvement is very noticeable
    RobinGB, Mar 18, 2010
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