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ASRock Z68 PRO3 i2500k: Searching for stable 4.5GHz - Page 2

post #11 of 22
No prob man. Hopefully you get it straightened out.
     
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post #12 of 22
Thread Starter 
Testing at offset +0.090v now, my vcore reads 1.368 though while it looks like yours only read 1.328 at the same offset wanako.

Anyone know if adjusting LLC or something else in the spreadsheet will let my voltages come down for the same multiplier?
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post #13 of 22
Quote:
Originally Posted by fxer View Post
If Prime95 can fail while vcore is providing 1.344v how could setting it back to 1.25 improve performance?



Are there downsides to switching LLC from (what appears to be default) of 5? If I change LLC should I lower vcore/atm at the same time?
Maybe the chip is just not capable, I'm in doubt though because at those voltages you should be sitting around 4.7 - 4.8. Have you tested the ram to make sure that the ram is not at fault of it being instable?
post #14 of 22
Thread Starter 
at +0.090v offset Prime95 failed on one core 14hrs into testing.

Should I run a memtest and see if there is a problem? And should I set the UEFI dram settings to the ram's specs instead of letting everything be set to Auto?
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post #15 of 22
Thread Starter 
Also would the fact the system is becoming more stable as vcore is raised really point to a RAM issue?
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post #16 of 22
Quote:
Originally Posted by fxer View Post
Also would the fact the system is becoming more stable as vcore is raised really point to a RAM issue?
That could be the case. Well, I'm glad you're on your way to stability.
     
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post #17 of 22
For my P67 Pro3 to get 4.5ghz stable. I have Offset at 0.025v and Level 3.

and as mentioned change Turbo boost from auto to 250/250/1 and Core Limit to 250

I think we might have the same ram? If it's (RipJaw X).

Just set the voltage to 1.5 manually.
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post #18 of 22
Thread Starter 
set RAM voltage manually, dropped offset to +0.025 and changed LLC from 5 to 3. Watts used went from ~197W to ~220W, vcore readings stayed high at 1.368 and Prime95 still failed after ~3hrs
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post #19 of 22
Thread Starter 
Dropped mutiplier to 44x and set LLC back to 5, offset to +0.050 and Prime95 still failed after 8hrs. Looks like core4 is my weak link.

Ran Memtest86+ 4.20 for 10hrs and no errors were found with RAM.

Spreadsheet of tests updated. Any ideas?
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post #20 of 22
To stop it throttling manually configure the Turbo boos power limits.

Set the short and long duration to 250 each and that should do it.



Ignore the 255, 250 is enough.
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