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At my wits end - 3930k help

Congrats, that's a very nice voltage for 4.5, better chip than mine.

I thought I read somewhere that changing BCLK was very very bad for SB-E and never to do it? When I tried the AI Tune thing on the Asus, I was appalled to see it push BCLK up beyond 106. Soon put a stop to that :)
 
BCLK tuning is fine on SB-e but very very bad on SB
On X79 the important clocks are fixed, on p67/z68 they are not, so you have to stay close to 100.
125 BCLK is used a lot by 2011 owners,
I would say by all those with 3820 CPU's.
 
stone_cold_Jimi said:
Congrats, that's a very nice voltage for 4.5, better chip than mine.

I thought I read somewhere that changing BCLK was very very bad for SB-E and never to do it? When I tried the AI Tune thing on the Asus, I was appalled to see it push BCLK up beyond 106. Soon put a stop to that :)
Click to expand...

Yeah, very happy with the volts, even if still not entirely happy with the temps.

Dropping VCCSA not done anything for temps
 
stone_cold_Jimi said:
I thought I read somewhere that changing BCLK was very very bad for SB-E and never to do it? When I tried the AI Tune thing on the Asus, I was appalled to see it push BCLK up beyond 106. Soon put a stop to that :)
Click to expand...

It should be okay at at 100-105 or so, it's just when you're pushing 115-120mhz etc the buses will be so far out of frequency.
 
PCZ said:
BCLK tuning is fine on SB-e but very very bad on SB
On X79 the important clocks are fixed, on p67/z68 they are not, so you have to stay close to 100.
125 BCLK is used a lot by 2011 owners,
I would say by all those with 3820 CPU's.
Click to expand...

Indeed, some even use 150
 
Turns out Boinc/Rosetta is a better stability test than IBT and Prime95. Where those run ok and show no errors, Boinc will give me BSOD.

Currently on 1.28V. Hopefully won't need to go higher than that :(
 
eyetrip said:
Turns out Boinc/Rosetta is a better stability test than IBT and Prime95. Where those run ok and show no errors, Boinc will give me BSOD.

Currently on 1.28V. Hopefully won't need to go higher than that :(
Click to expand...

Well funnily enough, I used to stability-test my old AMD 64 x2 CPUs with Rosetta, it really sorts the men from the boys. It's like the final word on stability; I don't think there were any Rosetta jobs in my last batch from the WCG and I really should try 12 of those :)

Thanks for reminding me!
 
eyetrip said:
Turns out Boinc/Rosetta is a better stability test than IBT and Prime95. Where those run ok and show no errors, Boinc will give me BSOD.

Currently on 1.28V. Hopefully won't need to go higher than that :(
Click to expand...

Yes being prime and IBT stable doesn't mean stability across the board.
You wouldn't want to run a PC that is failing either of those but it doesn't give a workout to all the instructions a CPU can do.
P95 and IBT are very good at testing the CPU's floating point/AVX units and will also give the memory a good testing.
They will also quickly highlight thermal issues

With both P95 and IBT it is worth running the older non AVX versions as well
The new versions use AVX for most of the heavy lifting and consequently don't test the FPU fully.

A couple of the Futuremark apps are usefull for CPU testing also.
The CPU tests that are part of 3dmark 2003 and the physics tests in 3dmark 11 come to mind.
They can often fail even though P95 has passed.
Usefull tests if you want to game.

Running some of the DC projects can be usefull to test for stability as well.
There are a wide range of them although a non maths related favourite of mine is Rosetta.
I used to contribute to Rosetta when it first started.

Rosetta is probably making a lot more use of Integer maths than P95 hence the Rosetta fail and P95 pass.
 
eyetrip said:
Good luck, and let us know how you get on :)
Click to expand...

4504.png


Warm..
My case is boiling because it's rammed full. Any ideas where to check to lower voltages where Auto may set too high?
VCORE 80c warning from the ASUS AI Suite as well so the VRMs are getting hot, really need to swapout that 140mm fan for a faster one and get a fan on the VRM heatsink.
 
Cool (or hot rather :D )

What cooler are you using by the way?

Mine seems to be coping now with 1.28 under load, but one of my cores peaked at 80C :(

Really am pushing the limits here. Interesting to see how it copes in warmer weather.
 
eyetrip said:
Cool (or hot rather :D )

What cooler are you using by the way?

Mine seems to be coping now with 1.28 under load, but one of my cores peaked at 80C :(

Really am pushing the limits here. Interesting to see how it copes in warmer weather.
Click to expand...

I'm using the Phanteks PH-TC14PE, which is pretty much the best air cooling you can buy! My case really packed though and the top 140mm fan is a Sharkoon 800rpm, swapping that out should give me much better temperatures.
anyone know of a 1400~1600rpm 140mm fan?

Hopefully i can either get the voltages down to get it running cooler, or get to 4.6 with roughly the same voltages.
What voltages should i look at to get the temperatures down, apart from vcore obviously.
 
To be honest, I pushed other voltages such as vcssa, vtt, pll down as much as I dared, but it didn't do much for temps.

Though I need to try pushing down again as I bumped everything up a bit when I got BSOD in Boinc.
 
Well, tried some different fan orientation and applying thermal paste in a different manner, but things changed for the worse.

Put the fans back as they were but temps were now hitting like close to 90C.

Wasn't going to re-seat cooler until tonight, but come this morning, system was suddenly just horribly unstable and blue screening even not under load. Changing volts did not help.

Re-seated again, loaded up my saved OC profile, and while I didn't have a lot of time with it, things seemed OK again.

Have got to figure out how to get my temps sorted. I know some think they are OK and safe, but I still think for my clocks and coltages, I should be seeing far better temps.

Currently stuck between considering getting Megalahems, or better fans for the Flex.
 
No...

Honestly, I can be a bit ham fisted, and don't trust myself with water and the maintenance required. I would be petrified of soaking and blowing my equipment...
 
For an easy introduction to custom loops the xspc and ek kits can be very good i have an xspc rs360 kit which i will be buying the lga2011 mounting kit for when i finally get everything and using that kit has been completely painless. As long as you leak test for a decent period ( iwas paranoid so ran it for two days lol) you will be absolutely fine. Thing to remember if you do go water though is don't expect miracles on idle temps water really shines when you start loading the cpu. A few people have come back to me saying that water wasn't that good because of idle temps but once i ran a few stress tests and they saw the temps on load they were converted :).

Followed your thread with interest and looking forward to being able to play with mine it's killing me having the cpu four foot away but not having the money to get everything else i need yet. Good job on yours nice overclock and good voltage :).
 
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