Difference between Physical Memory and the Vista System Memory (Ra

Discussion in 'Windows Vista Hardware' started by DP, Feb 20, 2008.

  1. DP

    DP Guest

    4GB DDR SDRAM DIMM ( Two @ Corsair XMS Twin2048-3200c2) on MSI 865PE/GNeo2
    Motherboard with a Pentium 4 3.0GHz CPU

    SiSoft Sandra is indicating Physical memory of four 1GB Dimm SDRAM double-bank

    Vista System page is indicating Memory (Ram) of 3070 MB

    Why and what is the significance if any?
    DP, Feb 20, 2008
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  2. The system properities page is reporting the memory available to user
    programs. The BIOS is reserving the remaining for such things as
    memory-mapped IO for things like your video card. This is normal. Don't
    worry about it.
    Colin Barnhorst, Feb 20, 2008
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  3. DP

    JW Guest

    Here is a good KB article on the issue. Your system is reserving the 1 GB
    of memory addresses to be used by hardware cards/interfaces such as your
    graphics card which have their on onboard memory and regretfully the 1GB is
    not available to your system.

    JW, Feb 20, 2008
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