Fun w/ 4GB of Memory and LANPARTY UT nF4 SLI-D Motherboard!

Discussion in 'Windows Vista General Discussion' started by bari, Jun 26, 2007.

  1. bari

    bari Guest

    So I recently upgraded the memory in my PC from 2GB to 4 GB of RAM (4
    x 1 GB single channel DDR 400). Now the problem arrives - the BIOS
    can only see 3 GB. Additionally, Vista (64 bit) Ultimate can only see
    3GB (under "System Information").

    My first thought was that one of the DIMMs was bad, so I checked each
    DIMM separately and rebooted my machine with only 2GB at at time.
    Each memory permutation posted correctly and was recognized correctly
    in both BIOS and Vista.

    Next, I thought an updated BIOS could do the trick. I have a LANPARTY
    UT nF4 SLI-D, so I checked the product page on DFI's website (http://
    PRODUCT_ID=3469&CATEGORY_TYPE=LP&SITE=US). Under the BIOS section, I
    saw several updates of which I decided the version dated 2006/04/06
    would be the best choice for me. I tried using WinFlash, but I keep
    getting an error that: "OnBoard BIOS not Award BIOS !". This error is
    not valid as I verified my BIOS version inside of BIOS. Since I don't
    have a floppy drive, I burned the BIOS files to a bootable CD and
    tried to flash the BIOS the old fashioned way. The system recognized
    the bootable CD, but just froze at the "Boot from CD:" screen. Either
    way, none of the features listed from my version (2005/06/23) to the
    newest version (2006/04/06) appear to address any memory issues.

    The weirdest part of the whole scenario is that SiSoft's Sandra Lite
    dir=dload&location=sware_dl_3264&langx=en&a=) can recognize all 4GBs
    in Vista.

    System Setup:
    AMD Opteron 170 Denmark 2.0GHz Socket 939 Dual Core Processor
    LANPARTY UT nF4 SLI-D Motherboard
    4 x 1GB DDR 400 (single channel) DIMMs
    2 x GeForce 7900GS 256MB GDDR3 PCI Express x16
    Microsoft Vista Ultimate 64 bit

    Any and all input is appreciated.

    FYI . . . Microsoft Lists Vista 64's memory limit to over 128GB and
    DFI lists the motherboard memory limit at 4GB.
    bari, Jun 26, 2007
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  2. bari

    Spirit Guest

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  3. Great have fun! 64 bit windows should be able to use alot more ram though
    James Matthews, Jun 26, 2007
  4. bari

    Qu0ll Guest

    Sounds like a hardware problem of some kind and if the BIOS only recognises
    3GB then you have little chance of Vista seeing any more than that. I had a
    similar problem with 2 sticks of 2GB RAM. Each on its own would install as
    2GB but together they would only give a total of 2GB. Replacing one of the
    sticks solved the problem.

    And loving it,


    (Replace the "SixFour" with numbers to email me)
    Qu0ll, Jun 26, 2007
  5. bari

    bari Guest

    There is a great article at
    which explains many of the issues with 4GB memory with 32 and 64 bit
    windows in different hardware configurations. I believe my particular
    problem will only be solved with a memory remapping feature available
    in BIOS.
    bari, Jun 30, 2007
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