Question memtest86 test 10 errors

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breaktwister

Oct 11, 2023
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New build installed win10 fine at default settings but after enabling XMP started to experience BSOD etc. This continued even after I disabled XMP which lead to a lot of troubleshooting of the system. Ultimately I had to reset the CMOS after which the system would not even boot with XMP enabled with "overclocking failed" error. I used MSI Memory Try it! function and every single OC setting was unstable when performing the usual tests. Stock is 4800 cl36 and I cannot even run the 5200 cl38 profile. RAM is this: https://www.corsair.com/ww/en/p/mem...mt-s-cl36-memory-kit-black-cmh32gx5m2b6000c36

It is on the QVL list for my mobo.

With mobo optimized defaults and RAM at stock it passed all tests from within Windows, AIDA64, Prime95, 3dMark, memtest64. However, when I ran Memtest86 via USB boot drive it failed test 10 (at stock). Even single stick installs failed with around 880 errors per stick on test 10. All other tests passed.

The memory is brand new whereas the mobo and cpu are 2nd hand so I find it suspicious that this issue is caused by both RAM sticks being bad, I suspect a CPU memory controller or mobo issue but I am stumped as to how best to troubleshoot from here without new parts. I have ordered new RAM, which if it fails test 10 will clearly point to an issue with CPU or Mobo. I would rather not have to order a new CPU just to continue testing - surely in 2023 there is some way to test the CPU memory controller specifically?

CPU: i7-13700F
GPU: 4060
Mobo: MSI B760 Tomahawk Wifi DDR5
RAM: As above
PSU: Corsair Rm850e (2023)
 
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breaktwister said:
I would rather not have to order a new CPU just to continue testing - surely in 2023 there is some way to test the CPU memory controller specifically?
Click to expand...
Sure, but nothing a consumer could have access to. The only way to test the memory controller without RAM is to have a surrogate that's plugged into the memory channels.

Software can't access the memory controller in any way. The only way for you to see if the memory controller is potentially the problem is to use known good RAM and see if that fails memory tests.
 
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If I can ask another question on this, what is the likelihood that, if the new RAM fails, that the issue is with the mobo? Can a faulty mobo result in these memtest86 test 10 failures, or is it almost certain to be the RAM or CPU memory controller?
 
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test 10 is bit fade test, basicly that means ram itself is not unstable, but content stored in ram gets lost/damaged over time
that doesnt mean ram is faulty, it just mean ram refresh isnt working right
ram needs to keep be refreshed nonstop otherwise data gets lost within seconds, that is, when data not used, it needs to be refreshed
this somewhat points to mainboard or cpu memory controller error
 
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Kerberos, your explanation of test 10 puts further weight under my suspicion that the issue is not with the RAM itself. Unfortunately I do not have any other DDR5 system for testing. I might just go ahead and order a cheap CPU ready for the next round of testing.
 
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breaktwister said:
New build installed win10 fine at default settings but after enabling XMP started to experience BSOD etc. This continued even after I disabled XMP which lead to a lot of troubleshooting of the system. Ultimately I had to reset the CMOS after which the system would not even boot with XMP enabled with "overclocking failed" error. I used MSI Memory Try it! function and every single OC setting was unstable when performing the usual tests. Stock is 4800 cl36 and I cannot even run the 5200 cl38 profile. RAM is this: https://www.corsair.com/ww/en/p/mem...mt-s-cl36-memory-kit-black-cmh32gx5m2b6000c36

It is on the QVL list for my mobo.

With mobo optimized defaults and RAM at stock it passed all tests from within Windows, AIDA64, Prime95, 3dMark, memtest64. However, when I ran Memtest86 via USB boot drive it failed test 10 (at stock). Even single stick installs failed with around 880 errors per stick on test 10. All other tests passed.

The memory is brand new whereas the mobo and cpu are 2nd hand so I find it suspicious that this issue is caused by both RAM sticks being bad, I suspect a CPU memory controller or mobo issue but I am stumped as to how best to troubleshoot from here without new parts. I have ordered new RAM, which if it fails test 10 will clearly point to an issue with CPU or Mobo. I would rather not have to order a new CPU just to continue testing - surely in 2023 there is some way to test the CPU memory controller specifically?

CPU: i7-13700F
GPU: 4060
Mobo: MSI B760 Tomahawk Wifi DDR5
RAM: As above
PSU: Corsair Rm850e (2023)
Click to expand...
Proper bios?
 
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