Upgraded memory but it says 3.75 in Activity Monitor

Discussion in 'MacBook' started by cjscribe, Jan 13, 2010.

  1. cjscribe macrumors newbie

    Joined:
    Jul 8, 2008
    #1
    I just upgraded the RAM on my macbook from 2GB to 4GB. But when I check the activity monitor, it says that I only have 3.75 GB. Is this right?
    When I had only 2GB of memory, the activity monitor also said I had 1.75 GB.
    Where did the other .25 of memory go?
     
  2. aristobrat macrumors G4

    Joined:
    Oct 14, 2005
  3. Surely Guest

    Surely

    Joined:
    Oct 27, 2007
    Location:
    Los Angeles, CA
  4. sammich macrumors 601

    sammich

    Joined:
    Sep 26, 2006
    Location:
    Sarcasmville.
    #4
    The 9400M graphics card uses shared memory (256MB, or 0.25GB) from the computers RAM for operation. That is the portion missing.
     

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