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Phenom II X4 955 (Cpu temp v. core temp) - Page 4

post #31 of 49
That mineral oil cooling system seems garbage for your CPU cooling.

As I know, for Phenom II x4(Deneb) you have to watch the Core Temps

One more thing... that CM Hyper 212 was built as an air cooler, so air has to go through its fins not oil, water, beer and so on... whatever liquor

Also, some oil might have "replaced" your thermal compound
Edited by IOSEFINI - 2/2/11 at 2:56pm
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post #32 of 49
Thread Starter 
Everyone has told me (and I've read AMD documentation) that you look at the CPU temp, NOT the core temp.

The mineral oil cooling is definitely not garbage. Oil is at least twice as thermally conductive as air. This is way better than I was ever able to do on air.

I just don't think my chip can do 4Ghz with a high NB clock. I backed everything down a bit (just for now at least), and I'm at...

Cpu: 3.8Ghz @ 1.4v
NB: 2400Mhz @1.3v

We'll see where I go from here.

Just passed an hour of OCCT and my temps hit 54c.
    
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post #33 of 49
Quote:
Originally Posted by WildcatWhiz;12238723 
Everyone has told me (and I've read AMD documentation) that you look at the CPU temp, NOT the core temp.

The mineral oil cooling is definitely not garbage. Oil is at least twice as thermally conductive as air. This is way better than I was ever able to do on air.

I just don't think my chip can do 4Ghz with a high NB clock. I backed everything down a bit (just for now at least), and I'm at...

Cpu: 3.8Ghz @ 1.4v
NB: 2400Mhz @1.3v

We'll see where I go from here.

Just passed an hour of OCCT and my temps hit 54c.

The CPU Temp sensor is located outside the CPU(under the CPU, on the motherboard), so is not accurate at all.
Did some tests, and I was able to drop just the CPU Temp, keeping Core Temps at the same level, by cooling the backside of the motherboard(CPU area), with a 70mm fan:confused:

I said mineral oil is garbage for your CPU (since you are using an air cooler)
That cooler needs high speed air to be effective
I agree that oil is better than air, but you need a diff. type of heatsink (CPU Block) for it to be effective.
Edited by IOSEFINI - 2/2/11 at 3:34pm
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post #34 of 49
Quote:
Originally Posted by IOSEFINI;12238898 
The CPU Temp sensor is located outside the CPU(under the CPU, on the motherboard), so is not accurate at all.
Did some tests, and I was able to drop just the CPU Temp, keeping Core Temps at the same level, by cooling the backside of the motherboard(CPU area), with a 70mm fan:confused:

I said mineral oil is garbage for your CPU (since you are using an air cooler)
That cooler needs high speed air to be effective
Of course it's outside of the CPU. It's measuring the temperature of the CPU case, which is the rating that AMD supplies for thermal damage.

You can do things to put core temps way out of whack as well.
post #35 of 49
Quote:
Originally Posted by lonewolf371;12238943 
Of course it's outside of the CPU. It's measuring the temperature of the CPU case, which is the rating that AMD supplies for thermal damage.

You can do things to put core temps way out of whack as well.

...it's measuring the temp of CPU case....

... so, I dropped the CPU case temp by 6'C , using a 70mm fan, which was blowing air towards the BACKSIDE OF MY MOBO.
BTW, I use a Water Cooling System
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post #36 of 49
Your temps are kind of high for 3.8Ghz!
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post #37 of 49
Thread Starter 
Quote:
Originally Posted by Electroneng;12239658 
Your temps are kind of high for 3.8Ghz!

Are they? Take into consideration that I have my CPU-NB overclocked to 240Mhz and overvolted to 1.3v. The CPU-NB is located on the cpue die itself--overclocking it past the stock speed (2000Mhz) will increase the heat.
    
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post #38 of 49
Thread Starter 
This thread has gotten severely off-topic from my original post on temps, but I thought I'd give you an update on my OC.

Turns out...*drum roll please*...it was the RAM! Boooooo!

I, uh, kinda did a n00b thing. I thought I had Kingston 1800mhz RAM, and I, uh, actually had 1600Mhz RAM. *cricket cricket* Overclocking the NB to high levels (2600-2700Mhz was exacerbating the RAM instability--a problem I never noticed at lower NB speeds.

Now, I am at:

CPU: 4.0Ghz (200x12) @ 1.45v!
RAM: 1600Mhz (9-9-9-24) @1.7v
NB: 2600Mhz @1.3v CPU-NB

STABLE through 1 hour of OCCT at a max temp of...

49c!

Suck on it, mineral oil haters! Nah, just getting about the last part, I <3 you guys. Thanks to everyone, especially leopold for noticing the RAM issue.
    
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post #39 of 49
drum.gif good OCing job thumbsupsmiley.png:
the ram issue is funny though biggrin.gif, dont worry...... every morning I wake up believing that I am Lionel Messi and crank-call Coach Guardiola. biggrin.gif

Anyway, back to the topic, use Maxxmem to find out your memory bandwidth.... do post it here, lets see if you can squeeze out a lil more juice outta those babes.

Oh, I almost forgot........ gr8 temp at 4GHz.
Edited by leopold1985 - 2/3/11 at 8:34am
    
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post #40 of 49
Thread Starter 
I knew something was wrong, but I couldn't tell what. You see, I thought I had 1800Mhz RAM, but I think I actually have 1600Mhz. Lowering that made all the difference. You see, I'd just pop open my case and check what model no. I have...but my case is submerged in oil, and I don't feel like getting messy right now wink.gif

I e-mailed Kingston with my serial number (gleaned from CPU-Z, which, oddly enough, doesn't show the part number!) to see if they can reverse look-up my model.

As soon as I figure out what RAM speed/voltage these things are designed to run at, I'll start cranking 'em up more.
    
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