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Thread: Z87 PRO4 showing wrong memory capacity/size




  1. #1
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    Default Z87 PRO4 showing wrong memory capacity/size

    Have a new Z87 PRO4. I think the bios vers is 1.70, unless I am looking in the wrong place.
    I installed G.Skill memory, 16GB (2x8GB) #F3-12800CL10D-16GBXL.
    The BIOS is reporting that it is in dual channel mode, but that it has only 4GB (2x2GB) installed.
    "2048 667MHZ (DDR3-1333) 9-9-9-24"
    I know that F3-12800CL10D-16GBXL is not on the compatibility list, but F3-12800CL10Q-32GBXL is.
    My understanding is that the two are of the same spec with the single exception that the latter is 4x8 instead of 2x8.
    Do I really need to pull out the F3-12800CL10D-16GBXL and replace it with something else?
    Or is there some other setting or configuration I should try to get it to see all 16GB?
    I have tried putting the memory in slots 0 & 2, as well as in 1 & 3.
    ANY thoughts, ideas, or suggestions would be greatly appreciated.
    -Gary
    Last edited by gstadter; 11-06-2013 at 04:20 AM.

  2. #2
    parsec's Avatar
    parsec is offline Senior Member
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    Default Re: Z87 PRO4 showing wrong memory capacity/size

    Using two DIMMs, they should be in slots one and three, usually labeled A2 and B2.

    What is your OS version, and 32 or 64 bit?

  3. #3
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    Default Re: Z87 PRO4 showing wrong memory capacity/size

    Quote Originally Posted by parsec View Post
    Using two DIMMs, they should be in slots one and three, usually labeled A2 and B2.

    What is your OS version, and 32 or 64 bit?
    Hey,

    priority shows A2 B2 as first memory choice for dual, then A1 B1, 2 sticks.

    If he tries both and still get's 4g, then he should check windows, if windows see's 8g, there is just a BIOS flaw that has no effect on memory, just reporting. Like some people, if this really bothers him, he can contact ASRock for a modded BIOS and
    let them know the reporting error, and model of memory.
    Last edited by odiebugs; 11-06-2013 at 12:12 PM.

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