3GB or 4GB?

Discussion in 'MacBook Pro' started by Wotan31, Oct 8, 2008.

  1. Wotan31 macrumors 6502

    Joined:
    Jun 5, 2008
    #1
    I have a MBP with intel C2D 2.33 Ghz (Calistoga chipset). It's supposed to only support 3 GB of memory. I just installed a pair of Crucial 2GB sticks, and when I go to 'About This Mac' it shows memory as 4GB. System Profiler also shows memory as 4GB.

    Surely it isn't actually using all 4GB? :confused: The Calistoga can only address 3.2 GB or something like that, so why does it show 4 GB?
     
  2. alphaod macrumors Core

    alphaod

    Joined:
    Feb 9, 2008
    Location:
    NYC
    #2
    Yes it will show 4GB because that's what it is, but in reality for use if you to Activity Monitor it will only show 3GB.
     
  3. KingYaba macrumors 68040

    KingYaba

    Joined:
    Aug 7, 2005
    Location:
    Up the irons

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