New Ryzen system very weird problems with RAM and XMP

Discussion in 'Processors and motherboards AMD' started by Serris, Jan 27, 2021.

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  1. Serris

    Serris Member

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    I just bought a 5900x, MAG x570 tomahawk and G.skill F4-3600C16Q-64GTZNC (4x 16gb).
    I built the pc turned on the XMP and ran memtest86, just to be sure. And surely the memtest86 throws a single error.

    I proceed to test the ram with only two sticks, placed them the 2nd and 4th slot, turned on XMP and ran the memtest86. All four sticks passed the test.

    I did the same test for RAM slot 1 and 3 and the system won't even post if I enable the XMP. Three beeps for the memory error.
    I tried raising memory voltage to 1.4 and still nothing. Only when I decrease RAM speed to 3200 will the system posts with XMP.

    So I placed all 4 sticks of RAM back in the system. The PC will turn on but won't post, unless I turn it off and wait couple of min?
    After a few min it posts and even if I turn on XMP with all RAM installed, it boots normally.

    The MOBO is running latest beta BIOS. The RAM isn't on a QVL on the MSI website but is on G.skill website.

    Honestly, I have no idea what could be the problem. Could there be a problem with a weak IMC, incompatible memory or even an issue with MOBO?

    And kind of help or guidance will be greatly appreciated.
     
  2. ViperXtreme

    ViperXtreme Ancient Guru

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    is that bios, the beta AGESA 1.2.0.0?
     
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  3. Serris

    Serris Member

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    No its AGESA 1.1.9.0
     
  4. ViperXtreme

    ViperXtreme Ancient Guru

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    Im also using an MSI board (MAG B550M Mortar) and a 5800X, anything below AGESA 1.2.0.0(beta) won't boot properly (unless i leave everything on default) but ive noticed that the 1.2.0.0 beta is not even available on your board which is weird.
     
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  5. kapu

    kapu Ancient Guru

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    One thing i can recommend is : DONT use beta bios .
    If your mem is not on QVL list , there is big chance you have to manualy set all settings , clock and timings .

    1. Revert to earlier BIOS
    2. Set memmory settings manualy .
     
  6. cucaulay malkin

    cucaulay malkin Master Guru

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    I would consider raising imc voltage for running four 3600 sticks on ryzen.

    it seems to me that this is the problem if every stick passes individually.
     
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  7. Serris

    Serris Member

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    Could you elaborate why you don't recommend beta bios? Everywhere I have read, usually people recommend bios with latest AGESA.
     
  8. Serris

    Serris Member

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    Thanks, I'll try that after work.
     
  9. ViperXtreme

    ViperXtreme Ancient Guru

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    In my case, it's impossible, for some Reason my board is pretty unstable and UEFI would even grind to a halt then crash when it comes to any bios older than AGESA 1.2.0.0 once i popped in the 5800X
     
  10. kapu

    kapu Ancient Guru

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    Im on pre historic agesa 1.0.8.0 with my 5600x zero problems...
     
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  11. kapu

    kapu Ancient Guru

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    For me it is quite simple , im on Gigabyte B550 and tested few of their latest betas and they are simly trash , unusable. It might be different with MSI for example .
    I never had any major issue with XMP , overclock , stability with AGESA 1.0.8.1. Every new bios i tried was worse, could i mention :
    1. buged ReSize bar (Sam).
    2. Worse CPU performance.
    3. Locked boot from M.2
    4. Imposssible to go over 1800 FCLK.
     
  12. ViperXtreme

    ViperXtreme Ancient Guru

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    Good for you then, also im not alone in my specific issue, its quirk on my specific board model. Different boards, different experience, the supposed to be "official"/non beta ones sucked for me
     
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  13. Serris

    Serris Member

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    I set the CHIPSET SOC VOLTAGE to 1.070V from auto. Memtest86 passed with 0 errors!
    I'm gonna revert back to auto and re-run the memtest86, hopefully I should get the error back.
     
  14. kapu

    kapu Ancient Guru

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    I run 1.1 SOC , it really helps stablity.
     
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  15. cucaulay malkin

    cucaulay malkin Master Guru

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    imc voltage for higher speeds/more sticks is very important


    I have a friend with z490 board and same 4133 c19 sticks we run at 4133 c16,he needs over 1.3v imc while I only need 1.225v

    I'm actually surprised you were able to boot and run windows with 4x3600 on just 1.050v
     
    Last edited: Jan 28, 2021
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  16. Serris

    Serris Member

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    On auto it was actually running on 1.019V. Though it's probably changing depending on load.
     
  17. Serris

    Serris Member

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    So for the last test I set the SOC voltage back to auto to see if memtest86 will detect that one error. And surprisingly all tests passed. Quite puzzling.
    The only thing that I did was re-insert the RAM stick and cleared CMOS a couple of times...
     
  18. cucaulay malkin

    cucaulay malkin Master Guru

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    that's computers.
    seen inexplicable stuff on my z97 system too.

    imc voltage set to 1.15v is safe and won't raise temperatures.

    I always add a couple of mV to my core and memory oc just to be sure,won't hurt anything to add 50-100mv over stock.

    actually imc voltage is pretty much constant.your ram doesn't downclock.
     
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  19. Serris

    Serris Member

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    I also had some very weird problems on my Z97, I the end I just wen't with it... Seems like I always have some issues :D


    Didn't know that, thanks for the info.
     
  20. kanenas

    kanenas Member Guru

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    for 4x16GB ram use 1.2v soc but not higher
     
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