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P7P55D LGA not posting with F3-12800CL7D-4GBRM

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  • P7P55D LGA not posting with F3-12800CL7D-4GBRM

    Hello everyone. I just recently purchased parts off newegg to build myself a new machine. The problem I am having is that the PC doesn't post.

    My parts are as follows:
    Intel Core i5-660 Clarkdale 3.33GHz 4MB L3 Cache LGA 1156 73W Dual-Core Desktop Processor
    ASUS P7P55D LGA 1156 Intel P55 ATX Intel Motherboard
    G.SKILL Ripjaws Series 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-12800CL7D-4GBRM
    Rosewill BRONZE series RBR1000-M 1000W
    Western Digital VelociRaptor WD1500HLFS

    On boot, the CPU light turns on, followed by the DRAM (MemOK!) light, then the CPU, then the DRAM again, which simply stays on and goes no further. I've tried hitting the MemOK! button and letting it try to configure it, but al that does is causes a few reboots with a blinking DRAM light, and then it goes back to solid and stays on.

    Unfortunately I do not have a computer that supports DDR3, nor do I have other sticks of DDR3 to test in the machine. I have tested both sticks on the two sets of ram slots, and both sticks on their own in all four slots. I'm not sure if I have gotten some bad sticks, or if there is a compatibility issue. I saw someone with the exact issue I am having (http://www.tomshardware.com/forum/26...m-booting-mobo), though he says it was a seating issue. I'd be willing to admit that that may be the problem, but the amount of times I have pulled the ram out and put it in makes that seem improbable.

    Any help would be appreciated, thanks!

  • #2
    So even with one stick it will not POST? With that motherboard, all you'll have to do to configure the memory settings is enable the XMP Profile.

    If neither stick will POST on its own, sounds like you may have a bad motherboard.

    Thank you
    GSKILL SUPPORT

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    • #3
      I hate to sound new at this, but what is an XMP profile?

      Comment


      • #4
        The XMP Profile, or extreme memory profile, enables the motherboard to operate memory above the standard. For DDR2, DDR2-800 is the standard, DDR3, DDR3-1333. Any memory above these frequencies must utilize/enable the XMP/EPP Profile or the memory settings must be manually configured.

        What the XMP Profile actually does is detect the memory settings from the modules and sets them as so. For some high performance modules, the XMP Profile must be specific to the memory since they may require CPU adjustments as well. For this reason, we typically ask all users to manually configure memory settings to insure a proper installation.

        Thank you
        GSKILL SUPPORT

        Comment

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