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  1. #1
    Tech Marketing Manager HQ Array Raja@ASUS's Avatar
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    Maximus 7 Gene - The road to overclocking memory without increasing voltage

    One for the tweakers this. Just toying with some of the advanced settings for DRAM on the M7 Gene. Wanted to see if I could push this Corsair kit to CR1 instead of CR2 (XMP spec) without over-voltage.



    Adjusting these was pivotal. Every digit counts. Takes a few days of patience...:



    I use the commercial version of Memtest (Memtest Deluxe) by HCI for tuning these settings. One setting at a time, keeping an eye on whether the errors occur sooner or later with each change. A wrong setting can result in a non-POST, and the window for POST is narrow.


    Each CPU and memory kit will require different settings.

    -Raja

  2. #2
    Tech Marketing Manager HQ Array Raja@ASUS's Avatar
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    Above kit is 4X4GB

  3. #3
    Tech Marketing Manager HQ Array Raja@ASUS's Avatar
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    Tried 4 X 8GB modules from Corsair's Dominator Platinum CMD64GX3MBA2133C9. This kit is rated 2133 at CAS 9 with a command rate of 2. On Z97 it can run faster at the same voltage - dual channel helps obviously. Tweaking settings helps tighten up secondary timings:








  4. #4
    ROG Enthusiast Array
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    Hey raja,relly informative post.Could you post auto values for psc or samsung kits,i mean so we should know where to start from ? ,example if i boot at psc 2666 8-12-8 what does auto mean,or samsung 2800 9-12-12 ?

  5. #5
    Tech Marketing Manager HQ Array Raja@ASUS's Avatar
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    Alex, if I had time I would. I have a few things I need to get done over the next 6 weeks.

    Why don't you have a go? It's not that hard - takes a day or two to dial in. You just need to be patient and change only one setting at a time. Start at the top of the list and work down. Find where it will POST and where it won't and dial up or down checking for stability. Then move on to the next setting when you find the sweet spot.

  6. #6
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    I know man,but time is not on my side either.Knowing auto values at given frequencies would narrow down the search area by quite a lot I only asked because u could have this kind of info from technical team pretty easy

  7. #7
    Tech Marketing Manager HQ Array Raja@ASUS's Avatar
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    I did it all myself actually - which is why I'm encouraging others to try. Each board, CPU and kit will require tuning - might be slightly different. It is not that hard to find values if you go down the list.


    Seems nobody has passion for tweaking or learning new stuff any more. Everybody wants super easy OC these days or all settings explained without doing much research or self-study. This is just an observation of a growing trend. Fewer people have time for "tweaker OC" than a few years back. Maybe you guys are noticing the same thing.

    At least you have some interest in it Alex. That much is good. It's for you guys that I post this stuff in the first place. I can lead a horse to water but.. Well you know the rest.

  8. #8
    ROG Guru: White Belt Array Costas PC Specs
    Costas PC Specs
    MotherboardMaximus Formula VIII
    ProcessorI7-6700K
    Memory (part number)Corsair CMD16GX4M2B3200C16
    Graphics Card #1EVGA 980Ti Classified
    Graphics Card #2EVGA 980Ti Classified
    MonitorROG PG278Q
    Storage #1Samsung 512GB 950 PRO M2
    Storage #2Samsung 1Tb 850 PRO + WD Black HD's
    CPU CoolerCustom Loop
    CaseCaselabs SMA8
    Power SupplyCorsair Ax1500i
    Keyboard Corsair K70RGB
    Mouse Razer Deathadder 2013
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    Quote Originally Posted by Raja@ASUS View Post
    Seems nobody has passion for tweaking or learning new stuff any more.
    Well you can count me in as interested....!

    Just finished finalising and tuning my CPU OC settings recently - so now I'm bored and want to concentrate on OC'ing my memory...but on a M7H.

    Currently running some Corsair 16Gb [2x8] CAS 9 2133 sticks @ 2200Mhz CR=1 @ stock 1.65v

    Want to play with timings to see how much tighter [if i can] I can get. Timings currently set to default XMP = 9 11 11 31 for these sticks.

    BTW Raja - I just tried to download the ROG Mem Tweak It utility and I receive a 404 (page not found) error when clicking on the ROG link for Mem Tweak It in the downloads section??
    Last edited by Costas; 08-06-2014 at 06:43 AM.

  9. #9
    Tech Marketing Manager HQ Array Raja@ASUS's Avatar
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    Have you tried downloading MemTweakIT from the Maximus VII Hero support page (Utilitities section) or check if it is on your support disc (use whichever is newer)?

  10. #10
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    Hmm lacking lot of info. Guys check sham guide on the skews on base values to start with n how to tweak them.
    Although raja has a point starting with each one etc.

    http://kingpincooling.com/forum/showthread.php?t=2304

    Lot of us did this last year. But truly these 3 skews stated here are key compared to the rest.

    U can try doung that 1t way or do what we all did.. Lower the vdimm a little n just try to find the best setting to reduce the errors
    Like raja said in the end the vdimm for 2t=1t.

    Example my 2400 c9 is at 1.625v.

    Its better if u have all ure rtls keyed in n use memtest86+. Faster. Ure ioa/iod/vcssa has to be correct. Later confirmed with hci deluxe. As its more stressful.
    Last edited by cstkl1; 09-07-2014 at 03:56 AM.

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