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d620 + 4gb of ram = BIOS says that only 3gb is usable

Discussion in 'Dell Latitude, Vostro, and Precision' started by Maitreya, Mar 30, 2009.

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  1. Maitreya

    Maitreya Notebook Enthusiast

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    Quick question here - just installed 2x2gb and BIOS happily tells me that "Due to the amount of memory being assigned for system use, memory available is less than memory installed".

    Which works out to Task Manager reporting only 3.3GB (Vista 64).

    From what i remember, it means that d620's BIOS can't map devices above 4gb? I tried to find this option in the BIOS but couldn't. Maybe i missed something? I'm kinda disappointed since d620 is supposed to be more or less serious laptop.
     
    Maitreya, Mar 30, 2009
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  2. MDR8850

    MDR8850 Notebook Evangelist

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    what your bios ver?
    try a bios update
     
    MDR8850, Mar 30, 2009
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  3. Greg

    Greg Notebook Nobel Laureate

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    The D620 is a serious laptop. It used the best technology at the time, but that chipset (which was the best at that time) was limited to 4GB of addressing.

    Nothing you can really do about that. A BIOS update is not going to fix this, it is a hardware limitation.
     
    Greg, Mar 30, 2009
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  4. Maitreya

    Maitreya Notebook Enthusiast

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    I see, thanks for clarifying this. I guess i'll use 2gb+1gb sticks then.

     
    Maitreya, Apr 1, 2009
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