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MSI 990FXA-GD80 MB and G.SKILL PC3 17000 Memory

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  • MSI 990FXA-GD80 MB and G.SKILL PC3 17000 Memory

    The Folks at MSI are advertising DDR3 2133 support for their 990FXA-GD80 MB. I just got these items and put them together today:

    MB: MSI 990FXA-GD80 (http://us.msi.com/product/mb/990FXA-GD80.html)
    CPU: AMD Phenom x4 3.5 GHz HDZ970FBGMBOX
    Memory: G.SKILL F3-17000CL9D-8GBXM (2 sticks DDR3 2133 (PC3 1700)) (http://www.gskill.com/products.php?index=403)
    Video: GIGABYTE GV-N56GOC (http://www.gigabyte.com/products/pro...px?pid=3881#ov)

    I've got the MB upgraded to MSI's Latest BIOS (11.5) and the system seems completely stable - The system did a great job of playing starcraft for the last couple hrs. I haven't tried the mb overclock feature yet to see what it will do with the memory and CPU settings. I've left it all on their 'AUTO' detect so far.

    Problem is - the BIOS seems to detect the memory as DDR3 1600. This and looking at this forum leaves me with several questions:

    Is this a good memory choice for this board?
    Do I need to manually set the voltage?
    What memory settings should I manually set to get the most from the G.SKILL memory in this setup?

  • #2
    Try the things I emailed you, then post results here and we can help if needed.

    Thank you
    GSKILL TECH

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    • #3
      Same issue here...

      I just bought the same components and put them together. Any chance you can send me the same info as I am having the same issue with the ram showing up at 1600

      Comment


      • #4
        With AMD everything needs to be set up manually, I'll see if I have setup info for the combo, but may have to wait till GSkill is back, which will prob be Monday, or possibly LukeB or another member may have the info today or Sunday


        Pls offer comments on support I provide, HERE, in order to help me do a better job here:

        Tman

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        • #5
          No rush on it, but I definitely appreciate it

          Comment


          • #6
            Dropped them a line but haven't seen them yet this week, hopefully they'll be in today


            Pls offer comments on support I provide, HERE, in order to help me do a better job here:

            Tman

            Comment


            • #7
              I downloaded the AMD Overdrive tool:
              http://www.softpedia.com/get/Tweak/C...verdrive.shtml
              and used the Auto Clock feature. It's interesting, but I don't see anything that is a real guide to overclocking. I set it to use the settings on boot (preferences).
              I moved my settings from / to as reported by Auto Clock:
              CPU Clock: 3600 3900
              HT Ref: 200 200
              Multiplier: 18x 19.5x
              The benchmark went from 5698 to 6109. Seems a little underwhelming.
              The only thing I did in BIOS was change the multiplier from AUTO to 19.5.
              During the auto-clock test, with CPU at 100%, my core temps peaked at (and stayed there for most of the test) 46C without Voltage Boost, and 55C with Voltage Boost. You can see the temps in the Overdrive tool, but I used Core Temp to keep it visible all the time (http://www.alcpu.com/forums/viewtopic.php?f=34&t=137).
              Using Voltage Boost didn't seem to make any difference.
              If there are any other good ideas / tools / guides, I'd be interested.
              Last edited by LukeB; 11-30-2011, 10:08 AM.

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              • #8
                For the memory to operate DDR3-2133, you must set Reference Clock to 267. 267 x 8.00 memory multiplier = DDR3-2133

                But it is not that easy. You also need to raise the CPU-NB Voltage to stabilize the memory controller at such high frequency.

                NB Frequency needs to be 3200MHz

                Always manually set basic timings and DRAM Voltage.

                If you have issues, you may want to try DDR3-1866, then work your way up so you get a better idea of how things work.

                Thank you
                GSKILL SUPPORT

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                • #9
                  Still not clear

                  I don't understand dropping the multiplier down to 8.0.
                  8.0 X 267. 267 = 2138.136.
                  19.5 X 200 = 3900.
                  seems like slowing the system down.

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                  • #10
                    I'm talking memory, not CPU.

                    Thank you
                    GSKILL TECH

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