In addition to the specs in my profile, I am running a MSI B550 Gaming Plus with a 1TB Samsung 970 EVO Plus as the primary drive. BTRFS was throwing errors and putting the file system into read-only mode, and when checked the drive’s status showed absolutely no problems, so I suspected memory and made a Memtest86+ bootable USB and ran it. The system failed almost as soon as the test initialized, counter showed 1 second of runtime. I have 2 RAM sticks, and I the motherboard has 4 slots, which I will label as 0 being closest to the socket and 3 being furthest. Had the sticks in the recommended slots 1 and 3, pulled the stick in slot 3, and reran the test. Passed all test. Pulled that stick and put the second one in slot 1, reran the test. Passed all tests. Thought that was strange, so tried each stick individually in slot 3, still no errors. Put both back into slots 1 and 3. Immediately failed on the same address and test as the first time. Pulled both and ran a full test doing one stick at a time in each slot, 8 runs later and no errors. Happened to have a 2x8GB kit from an HP pre-built that was replaced recently, so put those sticks in slots 1 and 3, ran the test and got no errors. I then tried the original 2 sticks in slots 0 and 2, got the expected warning on boot that the RAM was in the wrong slots, but ran the test. Immediate failure at the same address. Should have said this at the top, but I did clear CMOS before and testing to make sure that all settings were factory. I now have the 2 SK Hynix sticks from the HP in so that I can use the system, but don’t know if I should get a new RAM kit, or if I have other potential issues.
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I’d try upgrading your motherboard BIOS/UEFI. Most vendors offer updated AGESA versions that improve RAM compatibility on AM4.
You did say that you cleared the CMOS, but you didn’t specify if you applied XMP profiles.
If yes, try running with stock memory config - just to verify these expensive overclocking sticks still work together.
After that, apply XMP, but play a little bit with the settings. E.g. lower speed a step or two from 3600MT/s. Or increase memory voltage a tiny bit.
See if these things make a difference.
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