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From i3-540 to i7-870 ... unstable. - Page 2

post #11 of 53
Quote:
Originally Posted by indiocolifa;14407585 
Haha! No, my claim was scientifically invalid. But Sims 3 did crash after 1 hour in the last week biggrin.gif

What I wanted to say was that I can't take my son out of my box. I'll make serious testing when he's in bed.

Heh. Good luck getting it stable. I think that an increase in QPI/VTT should stabilize it.
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post #12 of 53
Thread Starter 
Quote:
Originally Posted by Dopamin3 View Post
Heh. Good luck getting it stable. I think that an increase in QPI/VTT should stabilize it.
Yes, this thing was rock-stable until that i7 was powered up.

Anyway, if the i3was stable why a processor replacement would trigger a need for QPI/VTT change with the same memory configuration? Memory controller differences? Processor voltage/TDP 73 vs 95W?

Will test and tell. TYVM.
post #13 of 53
Most likely memory controller differences. Even the exact same processor models may need different QPI/VTT to stabilize the same memory clocks, just like they vary in the vcore needed for a certain frequency.
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post #14 of 53
Thread Starter 
Linx running, all memory selected.

With both the default BIOS Turbo Memory setting and Command Rate to 1, Windows lasted only 5 mins before freezing.

Now Mem.Enhance-->Standard, CMD Rate=2, and it's working.

Turboboost is enabled.

All voltages/clocks to stock / defaults.

I'll see how it goes...
post #15 of 53
Thread Starter 
Processor topped at ~62° C. No cooling problems. Linx still running.

Time will tell.
Edited by indiocolifa - 7/30/11 at 8:59pm
post #16 of 53
Thread Starter 
Video driver failed and recovered (TDR bugcheck) when 10 minutes elapsed. Still running.

EDIT: Apparently WinSat service disabled Aero because it evaluted the system was overloaded, hehe.

So it's normal I think.
Edited by indiocolifa - 7/30/11 at 9:06pm
post #17 of 53
Thread Starter 
18 linx passes and still going.

I took some pics when 15-16 were already executed:

RealTemp 3.40:



Cpu-Z


Linx



In CPUZ I've noted that the CPU is at Vcore 1.168V@100% load but 1.280V@ ~ 50% (I've seen it between iterations where CPU load falls).

It's normal that full-load VCore < 50% load VCore ???

Still no freezes (Not surprising, mostly occurs at light loads).

... letting Linx to finish 20 iterations anyway ...

Thank you!

edit: I read those voltage variations are normal (under Intel specs and Vdroop feature).

Edit2: LINX finished without errors. Near 3h running.
Edited by indiocolifa - 7/30/11 at 11:47pm
post #18 of 53
Thread Starter 
Benchmarked with Cinebench SingleCPU a bit to see TurboBoost going to 3.5GHz. All fine.

Went to Chrome to read my local newspaper. Click a link. Zero CPU activity. BAM! Freeze.

Well I'll go to the voltage addition route. Seems that's coming from there since modfying RAM settings (Turbo or 1T command-rate) make it worse.

I'm running 1.1V QPI and 1.5V DRAM. Kingston Value RAM is rated at 1.5v. Should I modify DRAM voltage also?

Thank you.
post #19 of 53
Thread Starter 
Tried QPI 1.15V, DRAM 1.56V. Freezes at approx. 20 mins browsing the web.

I'm going slowly. Now testing using 1.17/1.56V.
post #20 of 53
Quote:
Originally Posted by Mikecdm View Post
After removing a video card

I never clear cmos unless I have an issue with an overclock that requires it. Usually a reboot is enough. When i swap cpu's or get a new board, first thing I do is go to bios and make changes, thus I don't have a need to clear cmos.
To each his own. Clearing cmos takes almost no time at all and allows your board to sort things out. I clear it all the time and never have hardware related stability issues other than the occasional bad part.
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