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Thread: GA-EX58-UD3R and 1600mhz Ram




  1. #1
    Join Date
    Sep 2009
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    Default GA-EX58-UD3R and 1600mhz Ram

    Hi,
    I recently just built my first computer and have encountered a problem of sorts. My Ram OCZ3G1600LV6GK is rated as 1600, but when in my motherboard it won't go higher than 1066. My mobo is GA-EX58-UD3R rv.1.6 bios. FB.

    Looking through the mobo documentation it shows memory compatibility as 800/1066/1333/2100. I assumed (stupidly) that the ram would be able to downclock to 1333 but that isn't the case, it jumps down to 1066. Even messing with the bclk the bios will show a higher SPD but show the ram at 1066.

    I've read in several places people stating they have this same ram (or just other 1600 ram) running at 1600 on the same mobo. Does anyone know if this mobo is truly capable of 1600 and what I need to do to achieve it?


  2. #2
    Join Date
    May 2009
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    Default Re: GA-EX58-UD3R and 1600mhz Ram

    Do you know how to get into your bios?

    if so , then you need to adjust the multiplier to make it 1600.

    Also check the Cas settings for your ram , and manuall key these in.

    BaldMan

  3. #3
    Join Date
    Aug 2009
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    Default Re: GA-EX58-UD3R and 1600mhz Ram

    I have the same board, revision, and the OCZ Platinum instead of your Gold running at 1600. Set yours to 8-8-8-24, the SPD at 12 if I remember correctly, and run them at 1.64v because there is no option for 1.65v. Under Performance Enhance, it might be best to try Standard instead of Turbo. Then reboot, reenter into BIOS, and check to see if it worked. One thing I noticed is that if you have any of the power-saving features enabled, your memory won't be accurately displayed in say CPU-Z for example, so check it in the BIOS.

  4. #4
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    Sep 2009
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    Default Re: GA-EX58-UD3R and 1600mhz Ram

    My bios won't give me the option for 12x on SPD only 8x. I have the latest Bios according to the official Gigabyte site (ver. FB). Is there something I need to do to enable 12x or a different Bios I need to flash?

  5. #5
    kg4icg is offline Junior Member
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    Default Re: GA-EX58-UD3R and 1600mhz Ram

    Set xmp in the bios to profile 1 and your memory settings will get you 1600. Just have to activate the jedec settings for your mem.

  6. #6

    Default Re: GA-EX58-UD3R and 1600mhz Ram

    I dont mess with the xmp settings, they are known to overvolt some components like crazy. Set your BLCK to 160, mem multi to 10x , uncore multi to 20x or 21x . This will give you the desired 1600mhz.

    Or another combo would be a 200blck with a 8x mem multi and 16x or 17x on the uncore.
    i7 930 @ 4.2 ghz (200x21) 1.34 vcore 1.33 qpi
    Noctua U12P se1366 Push Pull w/scythe slipstreams
    6GBOCZ1333 @ 1600 - 9 9 9 24 1.64v
    Gigabyte EX58-UD3R f11
    Corsair tx750 PSU
    EVGA GTX260 SC
    Intel SSD80GBG2C1 OS/Apps
    WD Caviar Black 500gb Data
    ASUS Xonar DX
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    CM690 Case 3 in 3 out
    Windows 7 64bit

  7. #7
    kg4icg is offline Junior Member
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    Default Re: GA-EX58-UD3R and 1600mhz Ram

    Darn mine is running at 1.65 volts for my Patriot Viper DDR3-1600 under jedec standards. It reads the standard for the mem configuration and sets it accordingly. Maybe you should read up on the jedec standard a little more. On the older DDR3 modules it would do that because of the voltages they required, on the newer ones it uses the voltages that are required. So if your mem needs 1.65 volts to get 1600, it would set it. If for example the new dimms need 1.3 volts to get 1600, then it would set it accordingly.

  8. #8
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    Default Re: GA-EX58-UD3R and 1600mhz Ram

    Quote Originally Posted by RudeHero View Post
    My bios won't give me the option for 12x on SPD only 8x. I have the latest Bios according to the official Gigabyte site (ver. FB). Is there something I need to do to enable 12x or a different Bios I need to flash?
    Under M.I.T. > System Memory Multiplier, you should have settings ranging from Auto, and 6.0-18.0. Select 12.0. 8 runs at 1066 and 12 at 1600.

    The same options are available through M.I.T. > Advanced DRAM Features > System Memory Multiplier.

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