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Stock 3770k issues - Page 4

post #31 of 44
Quote:
Originally Posted by erunion View Post

Other people have reported throttling under prime95. The heatsink is fine for normal use, which stress testing is not.
It shouldn't be surprising. The stock heatsink is puny.
140.jpg

I disagree. The stock HSF can easily handle it even when stress testing. I've done it myself and it kept temps within control though warm. The problem only arises if you're trying to stress the CPU with little or no ventilation near by.
:D
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:D
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post #32 of 44
Quote:
Originally Posted by Prezesiak View Post

It has nothing to do with temperatures. 85C during stress test is normal for stock cooler. My CPU reached 87C on stock cooler at stock settings but my stock Vcore was above 1.1V
Can you install CPU-Z and check what VID it shows during OCCT test and when it's idle?[/quote

At 4.5 I never hit 90c even under synthetics with 70f/20c ambient also with stock cooler on 3770k!

Put away your MAN "i"m never do anything wrong" Ego's and accept you seated your heat sink like a N00Blet that just came from the whoom of a

OK maybe didn't need to go that far.... those Intel pieces off dog poop with tooth paste for TIM take a couple times to get used to... Easy to have the heat sink not seated right
     
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post #33 of 44
Thread Starter 
Quote:
Originally Posted by SLADEizGOD View Post

Noob question. Where is XMP? my memory is set to 933 & I would like to set to 1833
In my BIOS, the XMP setting only appears if you have memory that supports it installed.

For those following this, yesterday I had two more blue screens yesterday evening and there was nothing happening (no stress test) so either it's getting worse or just it's more frequent when I heat up the CPU with tests. Anyway, it was another 0x109 and a 0x3B. The two most common ones are the 109 and 3B. Other codes seem to be one time...

I put in two different DIMMs, since I had some from a working workstation pull. See if I get any errors with that in there to at least narrow down the scope.

I looked at the BIOS settings for voltage since some think it may be an idle voltage thing. My manual is useless at explaining, so maybe someone here can help me identify which setting might alter idle Vcore.

CPU Core Voltage Control (sub menu) has:

CPU Vcore
Dynamic Vcore
CPU Vcore
CPU Vtt
CPU PLL
IMC
Dynamic GFX Core (VAXG DVID)

All set to auto
post #34 of 44
Thread Starter 
Preliminary answer seems to be bad memory. Fingers crossed...

The memory I had on hand is slightly slower, so it's not completely apples to apples, but putting these PC3-10800 sticks in it seems to be a lot more stable. It's only been a few hours so time will tell, but I was able to get through 5 min of OCCT with no issue before OCCT shut off due to temp. I set the max to 90C so it wouldn't shut off so early, and now I ran it for 20min with no issue (I shut it down myself). No issue either before or after the test. Temps peaked right around 85-86 C.

I'm not sure if the slower memory has any effect, but it took 5 mins to reach 86 C, whereas with the original PC3-12800 memory it only took about 2 min.
post #35 of 44
What is your DRAM Voltage on Crucial set? Looks like both Vcore (idle) and RAM voltage is too low.
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post #36 of 44
Thread Starter 
I've not seen the RAM voltage too low in any situation. The RAM requires 1.5V, and as far as any monitoring I've seen has been running at 1.5V. Now, the VCore fluctuates from idle to load, and I don't know what is normal of course which is why I've been asking. I don't understand why when idle it seems to go between .85 and 1.00, and I don't know what settings to adjust to try to make the idle VCore higher. Which would you adjust of the ones listed above in my BIOS, if you were me?
post #37 of 44
Ok, your RAM is rated at 1.5v but maybe this particular set is not stable at its rated voltage and needs 1.55 (for example).
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post #38 of 44
Thread Starter 
I'm not disagreeing, but if that is the case, I would consider it "bad". Since I'm just trying to get it stable in stock configuration first, nothing fancy, I'd expect everything to run as it is rated to run. If I have to tweak a bunch of things to get it to overclock without error, that would be expected. Since every component is brand new, I want to take advantage of the fact that I can get warranty replacements for things that aren't operating at spec.

The memory voltage I'm seeing reported is 1.52V and it doesn't deviate at all. The thing I like about OCCT is that it records the graphs of the tests. I've reviewed at least 6+ of the various tests run over the last couple days and none of them deviate by the least hundredth. So I don't think it is memory voltage, rather maybe the memory not operating correctly at the supplied voltage. Vcore, I still don't know how to adjust the idle voltage...

Still no crashes since swapping RAM. Fingers still crossed, still knocking on wood.
post #39 of 44
Thread Starter 
Getting back to my original question, in case it benefits anyone else out there. First of all, I had bad memory. Returned and got the exact same model, and it works just fine (at least over a 24 hour period).

My question was what was normal for a 3770K with the stock cooler, temp-wise under a stress test. I'm seeing sustained 85-90C temps without error. I've run for as much as 2h at a time at 100% utilization, without problem.

I will probably "upgrade" to a better cooler soon anyway. So that is that.

I have one last question.... how can you tell if the CPU is throttling back from over-heat? I've heard of the throttling, I'm just not sure what to look for to see if that happens when I'm stress testing.
post #40 of 44
As far as I know CPU throttles when it reaches 105C but I haven't tried it myself. smile.gif Most likely it will lower the ratio/vcore
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