EVGA

Disable memory training?

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kelkel1
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2020/10/11 09:18:51 (permalink)
Once memory is trained, and optimum settings are obtained, is it, or is it not, advisable to disable memory training?
 
If it is advisable, how is memory training disabled on the Z390 Dark?

Z390 DARK, 9900K, 2080 FTW3 ULTRA, GSKILL 4500, 960EVO M.2
https://valid.x86.fr/52sqs5
#1

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    ty_ger07
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    Re: Disable memory training? 2020/10/12 22:26:00 (permalink)
    kelkel1
    Once memory is trained, and optimum settings are obtained, is it, or is it not, advisable to disable memory training?

    Inadvisable.

    If it is advisable, how is memory training disabled on the Z390 Dark?

    Not possible.
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    kelkel1
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    Re: Disable memory training? 2020/10/13 14:43:25 (permalink)
    ty_ger07
    kelkel1
    Once memory is trained, and optimum settings are obtained, is it, or is it not, advisable to disable memory training?

    Inadvisable.

    If it is advisable, how is memory training disabled on the Z390 Dark?

    Not possible.




    I thought so, but was told elsewhere that once memory is trained, there is no need for further training (makes sense), and, that further training could actually alter settings, especially ones set to AUTO, such as the RTLs, which happened to me.
     
    I have also been old some manufacturers allow disabling training, which leads me to ask why, if it serves no purpose.
     
    Been looking for a deep dive guide to memory settings on evga motherboards, but apparently none exist, perhaps in part due to the fact that evga boards fall short with regard to memory settings options compared to, for example, ASUS.

    Z390 DARK, 9900K, 2080 FTW3 ULTRA, GSKILL 4500, 960EVO M.2
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    HeavyHemi
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    Re: Disable memory training? 2020/10/13 15:55:43 (permalink)
    kelkel1
    Once memory is trained, and optimum settings are obtained, is it, or is it not, advisable to disable memory training?
     
    If it is advisable, how is memory training disabled on the Z390 Dark?


    While you cannot expressly disable memory training as a part of the boot process, you can alter how it is done. Depending upon the board, Fast boot either skips training and uses a previous profile, or performs a minimal training for speeds. Whereas disabling fast boot will cause the system to do a full memory training on boot.  Generally full memory training is better for overclocking. I'm not personally familiar with this BIOS and it's lack of or inclusion of memory options/sub-timings compared to other boards.

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    BizSAR
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    Re: Disable memory training? 2020/10/15 13:29:58 (permalink)
    There are a wide variety of ways to lose established memory trainings, therefore it is generally advisable to leave it enabled (if disabling it is an option). Memory training isn't always performed upon every boot when fast boot is disabled, in my experience.
    As an aside, personally I've found it better to leave fast boot disabled both in BIOS and in Windows 10. Less issues can arise and platforms are typically SSD-based now, so the boot time isn't usually that much slower.

    ~BizSAR


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    kelkel1
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    Re: Disable memory training? 2020/10/15 14:27:38 (permalink)
    Memory needs to re-train each and every boot?
     
    Still looking for that deep dive guide, memory overclocking is some crazy black magic voodoo.

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    BizSAR
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    Re: Disable memory training? 2020/10/15 14:46:01 (permalink)
    kelkel1
    Memory needs to re-train each and every boot?
     

    No.

    ~BizSAR


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    HeavyHemi
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    Re: Disable memory training? 2020/10/16 11:31:50 (permalink)
    kelkel1
    Memory needs to re-train each and every boot?
     
    Still looking for that deep dive guide, memory overclocking is some crazy black magic voodoo.


    https://blog.asset-intertech.com/test_data_out/2014/11/memory-training-testing-and-margining.html
    You're not going to find it here. And you're on the internet, at least put out a bit of effort.

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    kelkel1
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    Re: Disable memory training? 2020/10/17 04:02:19 (permalink)
    HeavyHemi
    kelkel1
    Memory needs to re-train each and every boot?
     
    Still looking for that deep dive guide, memory overclocking is some crazy black magic voodoo.


    https://blog.asset-intertech.com/test_data_out/2014/11/memory-training-testing-and-margining.html
    You're not going to find it here. And you're on the internet, at least put out a bit of effort.



    Actually, believe it or not, I have searched. Other than finding technical whitepapers, which might be very comprehensive, but not having a MSEE, I find a little difficult to fully comprehend.
     
    Perhaps you are aware of, and are willing to share, something that might be useful?

    Z390 DARK, 9900K, 2080 FTW3 ULTRA, GSKILL 4500, 960EVO M.2
    https://valid.x86.fr/52sqs5
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    kelkel1
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    Re: Disable memory training? 2020/10/17 04:48:29 (permalink)
    BizSAR
    kelkel1
    Memory needs to re-train each and every boot?
     

    No.


    OK, then once trained, why not allow disabling further training?



    Z390 DARK, 9900K, 2080 FTW3 ULTRA, GSKILL 4500, 960EVO M.2
    https://valid.x86.fr/52sqs5
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