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Windows /3gb switch

Discussion in 'Retouching and Post Processing' started by Photo_Pro, May 14, 2007.

  1. Photo_Pro

    Photo_Pro

    60
    Apr 21, 2007
    Suburban Chicago
    Does anyone use the /3gb switch in the Windows Boot.ini file that allows Photoshop to access up to 3gb of RAM as opposed to the standard 2gb?
     
    Photo_Pro, May 14, 2007
    #1
  2. Lowolf

    Lowolf

    1,376
    Jan 26, 2006
    Oregon
    only works with 64-bit xp pro
     
    Lowolf, May 14, 2007
    #2
  3. Photo_Pro

    Photo_Pro

    60
    Apr 21, 2007
    Suburban Chicago
    Sorry, Lowolf, but it is a valid switch for the 32 bit XP. Check out the Microsoft Knowledge Base to confirm. I have tried it and it does work. The amount of Windows memory available to Photoshop increases to 3gb. My posting was to hear back from anyone who had a poor experience with its' use.
     
    Photo_Pro, May 14, 2007
    #3
  4. icetraxx

    icetraxx

    241
    May 7, 2005
    Louisiana
    John,
    I fought with this switch for about 2 days. I don't know if I just had fat fingers or I didn't type the syntax just right. I finally got it to take. I couldn't tell a difference though. I did run it for about 6 months with no problems. I just recently went to xp x64 since the drivers were finally available. Same system but did notice a little speed increase increase.

    Larry
     
    icetraxx, May 14, 2007
    #4
  5. Photo_Pro

    Photo_Pro

    60
    Apr 21, 2007
    Suburban Chicago
    I notice what appears to be less disk caching and as a result, speedier completion of tasks.

    The correct place to put the switch is on the operating system line:

    [operating systems]
    multi(0)disk(0)rdisk(0)partition(1)\WINDOWS="Microsoft Windows XP Professional" /fastdetect /NoExecute=OptIn /3GB
     
    Photo_Pro, May 14, 2007
    #5
  6. fks

    fks

    2,740
    Apr 30, 2005
    sf bay area
    hi john-

    thanks for the info, i'll give it a try and see if there's any difference.

    ricky
     
    fks, May 14, 2007
    #6
  7. Photo_Pro

    Photo_Pro

    60
    Apr 21, 2007
    Suburban Chicago
    Photo_Pro, May 14, 2007
    #7
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