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Need help getting 4x8GB RAM running at 2133

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  • Need help getting 4x8GB RAM running at 2133

    I recently bought a computer from CyberPower and am trying to figure out how to get 32GB of ram to run at 2133.

    Original specs:
    Gigabyte GA-990FXA-UD3 R5 motherboard
    AMD FX-9590 4.7 GHz AM3+ processor
    2 ADATA 4GB DDR3-2133 XPG V3 RAM (so 8GB total)

    I wanted to upgrade the memory from 8GB to 32GB so I bought a 32GB G.SKILL Ripjaws X Series DDR3-2133 memory kit (4x8GB). Note: CyberPower sells 32GB of G.SKILL Ripjaws X DDR3-2133 for my system. Also, for clarity/certainty, when I talked to their customer service, I was told that 32GB of the same exact memory would work with my system motherboard and CPU. The RAM I bought is the same one listed here: http://www.newegg.com/Product/Product.aspx?Item=N82E168...

    I've not been able to get the RAM running at the desired speed of 2133, only at 1600. The problem is that when I enable XMP in the BIOS, with Profile 1 or Profile 2, I get a screen saying there was a boot failure. My options are to Load optimized defaults then boot, Load optimized defaults then reboot, or Enter BIOS. The RAM does work with 2x8GB (16GB) sticks at 2133 (using Profile 1 or 2), but using all 32GB is causing a problem. Just to make sure that the all sticks work together at 2133, I have already tested all 2-combinations/16GB of all 4 sticks and they all work fine at 2133 so I don't think the sticks are bad. The BIOS is also updated the latest version (F2).

    The ram currently runs without XMP enabled, at 1600. I want to know how to get all 32GB of RAM running at 2133.

    Things I've tried:
    - With XMP disabled, raising the multiplier. Anything above a multiplier of 8 (1600) causes the boot failure. (Note: the multiplier only increases at set amounts: 9.33 for 1866 and 10.66 for 2133)

    - With XMP disabled and multiplier at 8 (1600), raising the BCLK and lowering the CPU speed multiplier to keep the CPU at 4.7 GHz. (I think I used 235 bclk and 20 cpu.) Anything causing the RAM speed to go past 1600 caused a boot failure.

    - With XMP at profile 1 or profile 2, raised the DRAM voltage to 1.60V. Still received a boot failure. I did notice however that even higher DRAM voltages, the BIOS always said it was using 1.50V. Don't know what that means.

    - With XMP at profile 1 or profile 2, raised and lowered the timings. Still received a boot failure.

  • #2
    CPU-NB Voltage needs to be increased

    Start from DDR3-1866, see what voltage is stable, then work up to 2133
    Are you an overclocker? Have screen shots of your OC results? Please post and share your OC experience!

    The new G.Skill Overclocking Section!

    http://www.gskill.us/forum/forumdisplay.php?f=43

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