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Windows 7: Prime rounding error but no memtest error

23 Apr 2016   #11
leebeloola

Windows 7 Pro x64
 
 

essenbee Here's what I found in BIOS:
+12V 12.239
+5V 5.080
There was no +3.3V
Vcore 1.12250 which gets rounded both up and down in different places
DRAM V is 1.584
I took photos of the various BIOS screens, let me know if you'd like to see them. I've got 12, is that too many to post in this thread?

I set optimized defaults again, made sure SATA is running as IDE, the boot options are the same. I then ran the Blend test again. This time core 3 failed after 3m. Core 4 kept running, I stopped the test after another 5m.
Before Blend test: temp 38* vcore 0.928V
During BLend test: temp 46-48* vcore 1.2V - 1.216V

Mellon Head I also checked the BIOS for EIST & load line calibration and they are both on Auto. I'm going to change them and run the Blend test again to see if it changes anything. Then I'll try changing the DRAM V to 1.5. Unless you have another suggestion.


My System SpecsSystem Spec
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23 Apr 2016   #12
essenbe

Windows 7 Enterprise X64/Windows 10 Enterprise X64/Windows 10 Pro X64/Linux Mint
 
 

Do you have the option in bios to set the vcore to manual or offset?
My System SpecsSystem Spec
24 Apr 2016   #13
leebeloola

Windows 7 Pro x64
 
 

Offset
My System SpecsSystem Spec
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24 Apr 2016   #14
leebeloola

Windows 7 Pro x64
 
 

should I be increasing both vcore & dram, since these were both raised in the original stable OC? Or do one at a time?
My System SpecsSystem Spec
24 Apr 2016   #15
essenbe

Windows 7 Enterprise X64/Windows 10 Enterprise X64/Windows 10 Pro X64/Linux Mint
 
 

One at a time. Increase the vcore to 1.125 and run Prime again. Open CPUz to the CPU tab and Your Temp monitoring program. Run Prime and while it is running, post a screenshot here of all 3 windows. I would like to see core temp as a temp monitoring program. It has some info on it that others don't have. I would like to see the VID while Prime is running. Let us know the temp and voltage ranges it goes through. Only run 1 temp monitoring program at a time.
My System SpecsSystem Spec
26 Apr 2016   #16
leebeloola

Windows 7 Pro x64
 
 

The vcore had a typo. it's 1.21250V and the other V options start at 0.5 so I guess it's manual. I thought manual meant I could type in the number, when actually I have to select an option from a list.

I increased vcore to the next option up which is 1.21875. Blend has been running without errors for 20 minutes now. The voltage is mostly staying at 1.2V this time, whereas before it kept going from 1.216 to 1.232. The temperature is the same.
Prime rounding error but no memtest error-screenshot-26-04-2016-19-42-07.jpg


My System SpecsSystem Spec
26 Apr 2016   #17
leebeloola

Windows 7 Pro x64
 
 

worker 1 & 2 stopped after 1h 1m and 1h 9m. I'm going to increase vCore slightly to see if Blend will run for a bit longer. At what point do you think I should try increasing the DRAM voltage instead of the vCore?
My System SpecsSystem Spec
26 Apr 2016   #18
Mellon Head

Win 7 Pro x64/Win 10 Pro x64 dual boot
 
 

I would leave the DRAM voltage alone, and loosen your timings.
My System SpecsSystem Spec
26 Apr 2016   #19
essenbe

Windows 7 Enterprise X64/Windows 10 Enterprise X64/Windows 10 Pro X64/Linux Mint
 
 

Am I correct that the fist time, prime failed at 3 minutes? Then you bumped the Vcore and it ran for 1 hour? Try bumping your vcore one more time, the next option up. See how Prime runs then. If any core fails, stop the test then. There is no reason to keep running it.
My System SpecsSystem Spec
27 Apr 2016   #20
leebeloola

Windows 7 Pro x64
 
 

Yes the first time it failed at 3m. The next step up is 1.2250V and that ran for 1h 13m.
My System SpecsSystem Spec
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 Prime rounding error but no memtest error




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