iBook RAM question

Discussion in 'PowerPC Macs' started by skippydumptruck, Jan 11, 2006.

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  1. skippydumptruck, Jan 11, 2006

    skippydumptruck macrumors newbie

    Joined:
    Aug 20, 2005
    #1
    I have a 12" current revision iBook (G4 1.33). I currently have 1.5GB of RAM in two modules: the module that came with (512) and a separate module I purchased (1 GB). I just learned a little about DDR, and I was wondering - would it make sense for me to sell the 1GB module and purchase a matched 512 to replace it in order to take advantage of the DDR? What would be the pros and cons associated with this move? And finally, if it is a good idea, how would I determine what a "matched" module is? Thanks!
     
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  2. reh, Jan 11, 2006

    reh macrumors 6502a

    Joined:
    Oct 24, 2003
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    Arkansas
    #2
    iBook RAM does not need to be installed in pairs. It would be silly to downgrade from 1.5gig to 1.0gig.
     
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  3. CanadaRAM, Jan 11, 2006

    CanadaRAM macrumors G5

    CanadaRAM

    Joined:
    Oct 11, 2004
    Location:
    On the Left Coast - Victoria BC Canada
    #3
    The iBook has only one memory socket, the 512 initial RAM is soldered onto the motherboard, so you cannot do what you are proposing. THere is no advantage, even with Powerbooks that have 2 sockets, to matching RAM, because they cannot take advantage of dual channel access. Dual channel access is only possible if it has been engineered into the motherboard hardware: only the PowerMac G5's have this.

    Thanks
    Trevor
    CanadaRAM.com
     
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  4. skippydumptruck, Jan 11, 2006

    skippydumptruck thread starter macrumors newbie

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    Aug 20, 2005
    #4
    Wait, so even though the iBook supports DDR RAM, it... doesn't?
     
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