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memtest fails - prime does not

post #1 of 5
Thread Starter 
*NEW*
Intel i5-3330
MSI Z77A-G41
GeIL Black Dragon 16GB (8GBx2) DDR3 1333 Model GB316GB1333C9DC

Stock settings. RAM timings are according to SPD. Did not try changing CMD rate to 2 because I've only had to do that with 4 DIMMs installed and I don't want to do it unless I have to.

MB is on GeiL's QVL list.

memtest86/memtest86+ fails. prime has yet to fail using blend test.

After testing each DIMM individually, I noticed a pattern with memtest86. The first DIMM would fail a minute or so after passing once. The other DIMM would fail within a few minutes of memtest86. I don't remember a pattern with memtest86+ because it was late last night.

I have 2GB x 2 I will test with after I run prime for a few hours.

Avoiding an RMA would be great. But avoiding an incorrect/misdiaged RMA is imperative.


*edit: I've ran into a similar issue before with an LGA775 system where memtest threw errors but I could not fail the system when stressing with prime or IBT or anything in Windows.
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post #2 of 5
Are you running an increased FSB? If so did you try running memtest at stock settings?

Also are you aware of this:

Working Voltage
C6: 1.6/1.7V
C7 & C9 : 1.5V

If you put the C6 timings in you may need up to 1.7v to be stable.
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post #3 of 5
Thread Starter 
Stock settings.

Thanks, I did not notice that. I'll try disabling the C states or upping voltage. I know the RAM is currently running @ 1.48v.

*edit: I think I may have misunderstood you. However, noticed BLCK was running @ 83Mhz for some reason. I reset to BIOS defaults and I'm running again.
*edit: Also, prime just failed so the title of this thread is invalid.
Edited by quadx - 2/17/13 at 10:21am
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post #4 of 5
Quote:
Originally Posted by quadx View Post

Stock settings.

Thanks, I did not notice that. I'll try disabling the C states or upping voltage. I know the RAM is currently running @ 1.48v.

*edit: I think I may have misunderstood you. However, noticed BLCK was running @ 83Mhz for some reason. I reset to BIOS defaults and I'm running again.
*edit: Also, prime just failed so the title of this thread is invalid.

Where you running at C6? If so you found your problem.
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post #5 of 5
Thread Starter 
I just rest the BIOS. Seems like it might be the fix. Should have done that when I got the board but I think my brain only works for 12hrs consistent hours.

The BLCK was reading @ 83Mhz but it was set to 100Mhz. RAM was running at 11xxMhz 1.48v (auto)

After the BIOS reset, BLCK was 100Mhz, RAM was 133Mhz, 1.605v (auto)

It is entirely possible the BLCK was set to 83Mhz and I'm retarded.
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