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  1. M

    ECC Memory & AMD's Ryzen - A Deep Dive Comment Thread

    I have the ASrock Rack X470D4U2-2T, which should be same in the ECC aspects. ECC indeed depends on the combination of RAM, CPU (which has the memory controller), Mobo (where the BIOS determines how all of this plays together). ECC without reporting is better than no ECC in my opinion. And I do...
  2. M

    ECC Memory & AMD's Ryzen - A Deep Dive Comment Thread

    Bad news I’m afraid… I’ve received a response from Asrock Rack, with "official statement" from AMD on this, regarding ECC on this mobo (and AM4 in general): To which I responded: And their response: So no ECC reporting is supported… Not entirely sure of this, but doesn’t this mean that...
  3. M

    ECC Memory & AMD's Ryzen - A Deep Dive Comment Thread

    I have some good news, which should make reproducing (and validating after fixing) the issue a lot easier for Asrock Rack! It seems like Passmark have updated their MemTest86 product from version 8.2, which didn’t fully support Ryzen 3000, to version 8.3, which does fully support Ryzen 3000...
  4. M

    ECC Memory & AMD's Ryzen - A Deep Dive Comment Thread

    I've just received most parts for my new desktop (the Asrock Rack system I was testing my ECC on previously will become my NAS). This is a MSI MEG Unify x570 mobo + Ryzen 3900x. I did a quick test (on Windows 10 only) with the ECC memory from my NAS on this MSI mobo as well: MSI does run with...
  5. M

    ECC Memory & AMD's Ryzen - A Deep Dive Comment Thread

    After a lot of testing I've now finally mastered RAM overclocking in a way that I can vary between stable and unstable settings. The trick is lowering the voltage for unstability, as lowering the timing or increasing the frequency too much mostly will cause it to stop booting instead of becoming...
  6. M

    ECC Memory & AMD's Ryzen - A Deep Dive Comment Thread

    Here are the scrubbing options from the BIOS. To disable ECC, should I mess with these as well? edit: Just spend a large part of the day lowering timings and trying to trigger errors, but still no luck... The frequency I've increased from 1333Mhz to 1500Mhz (1533Mhz doesn't post at all)...
  7. M

    ECC Memory & AMD's Ryzen - A Deep Dive Comment Thread

    It is not that unique... Not really an article, but the above is what got me started on this weird journey for instability indeed ;)
  8. M

    ECC Memory & AMD's Ryzen - A Deep Dive Comment Thread

    I'll try messing with some timings a little more... advice on which timings I shoot try loosening or tightening is very welcome ;) I wasn't able to find 16GB ECC Dimms @ 3200 here. The highest I found was 2666 actually. Then why is there an article like the one linked at start of this thread...
  9. M

    ECC Memory & AMD's Ryzen - A Deep Dive Comment Thread

    Just read those links, then did some testing... Could it be that support is there since Linux kernel 5.4? https://www.phoronix.com/scan.php?page=news_item&px=Linux-5.4-Early-PRs Don't know about it working well (couldn't confirm it yet with my testing as you can read earlier). Ubuntu 19.10...
  10. M

    ECC Memory & AMD's Ryzen - A Deep Dive Comment Thread

    Hi, No, I'm not 100% sure that I'm actually having ecc errors. But it would surprise me if I didn't... Also before trying it the above way, I accidently left all memory timings set to auto and when I started increasing the frequency, the board automatically loosened the timings, which gives a...
  11. M

    ECC Memory & AMD's Ryzen - A Deep Dive Comment Thread

    In the IPMI I'm also not finding any errors being reported: I also tried to disable the ECC functionality and see if I could make any of the stresstest programs crash or that the OS then would receive uncorrected errors reported (this would at least proove that my memory is "unstable" at this...
  12. M

    ECC Memory & AMD's Ryzen - A Deep Dive Comment Thread

    After spending quite some time testing, I have an update on this great deep dive, but also some questions / issues with it. Some background of why this is an update on this great deep dive I'm doing my testing on an server-grade x470 Server Mobo (ASRock Rack) using a Ryzen 3600 CPU, using a...
  13. M

    ECC Memory & AMD's Ryzen - A Deep Dive Comment Thread

    Hi all, I'd like to view this article and registered for it. But when I try click the link to the article I get: "You do not have permission to view this page or perform this action." Can anyone explain what I need to do to obtain access? edit: when searching for it with google, I was able to...

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