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    Sony Vaio VGN-NR120E : Is 4GB RAM upgrade possible ?

    Discussion in 'VAIO / Sony' started by planetparag, Jan 7, 2011.

  1. planetparag

    planetparag Newbie

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    Hi guys. I'm hoping someone far more knowledgeable about laptops than me can help me with this question.
    I have a Sony VAIO VGN-NR120E(32bit) with 2GB RAM. I would like to upgrade to 4 GB.
    - Is it Possible ?
    - If yes; is there any catch or workaround that I would have to do ?

    - Thanks
    pk
     
    planetparag, Jan 7, 2011
    #1
  2. kizwan

    kizwan Lord Pringles

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    I found out that VGN-NR120E have chipset Mobile Intel GL960 Express Chipset. Is this correct? According to the specification, it only support up to 2GB RAM.
     
    kizwan, Jan 7, 2011
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  3. juancamilog

    juancamilog Newbie

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    The maximum memory some people have been able to put on a GL960 is 3GB.

    Someone in this forum has mentioned that 4GB might be possible based on evidence shown in this document (Page 18)

    Apparently you need a DDR2 pc2-5300 256Mx64 2x2GB pair, but no one has tried this yet. I'm currently searching for a good deal to purchase. When I find one, I will try it and tell you how it goes.

    The laptop I'm trying to upgrade is also a Vaio NR series.
     
    juancamilog, Feb 3, 2011
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  4. arth1

    arth1 a҉r҉t҉h

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    Note that 32-bit Windows Vista/7 will reduce the usable memory to 3 GB if you have more.
    This is because the addressing limit is 4 GB, and 1 GB is reserved for memory mapping of devices (including graphics memory).
    For XP, you can usually get up to 3.2 GB or so, depending on how many devices that need memory mapped ranges, but even then it's not worth it to go beyond 3 GB.

    For 64-bit Windows, you can use more if the hardware allows it. But, the price of running 64-bit apps and kernel, and a dual set of libraries, means that you'll use more memory too. So a 4 GB 64-bit system won't really have much more usable memory than a 3 GB 32-bit system.
     
    arth1, Feb 3, 2011
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  5. juancamilog

    juancamilog Newbie

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    so, i tried it a month ago and it wont work. i tried with the 256 64 nanya technology modules.
     
    juancamilog, Mar 7, 2011
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