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Thread: RAM size

  1. #1

    Member Since
    Oct 08, 2009
    RAM size

    I did some research already but am still uncertain on the maximum size of ram i can put on my macbook. I have one of the first models in 2006 so its pretty old now. still running tiger 10.4. currently have 1gb (2x512mb) and want to upgrade to 4gb (2x2gb) but i read in some places i can only upgrade to 2gb(2x1gb) and some places saying up to 4gb. So i thought i would jump on here hoping someone could clarify.

    This is from my system profile,

    Model Name: MacBook
    Model Identifier: MacBook1,1
    Processor Name: Intel Core Duo
    Processor Speed: 2 GHz
    Number Of Processors: 1
    Total Number Of Cores: 2
    L2 Cache (per processor): 2 MB
    Memory: 1 GB
    Bus Speed: 667 MHz
    Boot ROM Version: MB11.0061.B03
    SMC Version: 1.4f12
    Serial Number: 4H63509QWBV

  2. #2

    chscag's Avatar
    Member Since
    Jan 23, 2008
    Keller, Texas
    2017 27" iMac, 10.5" iPad Pro, iPhone 6s+, iPhone 7+, Numerous iPods, High Sierra
    Mactracker says (depending on the year model) your machine can accept 1 x 1 GB module + 1 x 2 GB module for a total of 3 GB. The very first model MacBook will only hold 2 GB.


  3. #3

    Member Since
    Oct 08, 2009
    i see now my question is it only up to 3gb because of hardware or because of the os x 10.4...

  4. #4

    harryb2448's Avatar
    Member Since
    Nov 28, 2007
    Nambucca Heads Australia
    iMac, i7 4GHz, 32GB memory, 1TB Blade Drive, OS X.13.4

  5. #5

    Member Since
    Oct 08, 2009
    Where can i find my model number to compare with the site.

  6. #6

    Member Since
    Oct 08, 2009
    according to this site
    Identify Your Mac - Lookup your Apple by Serial Number or Model Number

    i have the Model No: MA700LL/A based on my serial #. and according to his site
    Apple MacBook Specs (All MacBook Technical Specs) @

    1.0 GB Maximum RAM: 2.0 GB*
    Details: 1 GB of RAM is installed as two 512 MB modules, no slots free.

    *Apple officially supports 2 GB of RAM, but third-parties have been "unofficially" able to upgrade it to 3 GB or 4 GB of RAM (it can hold 4 GB but cannot fully utilize the memory beyond 3 GB).

  7. #7

    dtravis7's Avatar
    Member Since
    Jan 04, 2005
    Modesto, Ca.
    iMac 2010 27" QuadI7 OS10.13 iMac 2008 OSX10.11, MBP Late2011OS10.13 , iPad Pro 10.5", iPhone 5s,
    And to add to all the excellent advise so far, it's nothing to do with OSX. It's the Machine.

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