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post #2401 of 8112
Quote:
Originally Posted by thor2002ro View Post

Hi all
I just got my 8120.... seams this cpu is strange... I got to 4139mhz 16.5x250 at 1.31875v but the temperature is kinda high already... 63c(25c ambient) in prime95
the cooler is seated correctly on the cpu I checked twice... and the thermal-paste is not in excess...
any ideas?

Well, my 1dt advice would be: upgrade to the h100 (or h80 if you don't have the space).
But since this may not be possible, I'd try to optimize airflow in your case. Do you have a good push-pull config? Can you fit more fans?
If your case support a fan blowing behind the mobo, awesome. Like this: Side (right panel) – 1 x 8cm fan to help cool your CPU (optional) .

I think your temps are too high... maybe one last reseat with a good thermal compound, like arctic silver mx4?


Whatever you to, step back on the temps... 61 is the max advised when FX CPUs are concerned.

Not enough info. If you want to post some pics of your case, it would help a ton.

good Luck!
    
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post #2402 of 8112
Quote:
Originally Posted by dstoler View Post

-Ajston, you have an fx 8 core? Did you disable the cores yourself or did the patch do it?
-Alex, Bro we miss ya over this way man but hope you are enjoying your new rig to the fullest! I really would like to see an 8150 paired with a 7970 or even multiple 7970's. I am not expecting a miracle but would be nice hehe. I was doing some reading and apparently Intel told AMD they were switching to FMA4 from FMA3 that AMD proposed and when AMD made the switch Intel "backed out" and said, "SIKE, we are using FMA3, GOTCHYA SUCKERS!" Pretty lame if you ask me. But I am wondering how the OpenCL (gpu computing) works with the new FX's? So any review sites with a 7970 still in possession please feel free to test it out!

Heh, I'm still on AMD gpu. I'll not be getting the 7970 though. I'm a sucker for one card, monstrous solutions, so I'll wait for the 7990 =D.

I did a lot of tweaks on bd though, so I might be able to give some advice here and there.
    
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post #2403 of 8112
Quote:
Originally Posted by alexmaia_br View Post

Quote:
Originally Posted by thor2002ro View Post

Hi all
I just got my 8120.... seams this cpu is strange... I got to 4139mhz 16.5x250 at 1.31875v but the temperature is kinda high already... 63c(25c ambient) in prime95
the cooler is seated correctly on the cpu I checked twice... and the thermal-paste is not in excess...
any ideas?

Well, my 1dt advice would be: upgrade to the h100 (or h80 if you don't have the space).
But since this may not be possible, I'd try to optimize airflow in your case. Do you have a good push-pull config? Can you fit more fans?
If your case support a fan blowing behind the mobo, awesome. Like this: Side (right panel) – 1 x 8cm fan to help cool your CPU (optional) .

I think your temps are too high... maybe one last reseat with a good thermal compound, like arctic silver mx4?


Whatever you to, step back on the temps... 61 is the max advised when FX CPUs are concerned.

Not enough info. If you want to post some pics of your case, it would help a ton.

good Luck!

450

here....

I keep my pc open... both panels removed...

something even more weird.... I dropped my cpu/nb voltage 1.2v risen the vcore to1.3250v temp dropped 2c I'm now at 61c prime95

hope it helps...
Edited by thor2002ro - 12/23/11 at 2:57am
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post #2404 of 8112
I was reading about the BD, and came across this:

http://www.hardwaresecrets.com/article/AMD-FX-8150-vs-Core-i5-2500K-and-Core-i7-2600K-CPU-Review/1402/17

Now I ask you guys: how in bloody hell did they get that frequency at such low voltage? Is there a relation to multipliers that allows that? Anyone cares to explain it to me, point to some tutorial... ir is it somewhat unrealistic?

thanks
    
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post #2405 of 8112
They did increase the VDDA voltage which I haven't touched, can anyone explain what that is?
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post #2406 of 8112
Quote:
Originally Posted by axipher View Post

They did increase the VDDA voltage which I haven't touched, can anyone explain what that is?

I'm pretty sure I mention this a while ago when someone said the HTT clocking gives lower temperatures and better scores.

Cpu VDDA is a cpu PLL
PLL stand for Phase Lock loop. it's the same thing thing that made phenom I clock crappy was the fact it did not work correctly at all.

The PLL is linked to HTT and the Multiplier with the chip which keeps the PLL in check.

HTT overclock = same multiplier less voltage for same over clock vs Multiplier over clock.

The multiplier Over clock seems to be bugging out he PLL on the chip when over clocking via the multiplier adjusting the PLL voltage helps negate the problem.

P.s in AOD VCC18 is NB/pci express PLL voltage.

still haven't found out what memory core votlage is though.
Edited by Demonkev666 - 12/24/11 at 8:14am
    
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post #2407 of 8112
So in that article a few posts back, is setting the VDDA to over 2 V safe at all?
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post #2408 of 8112
Quote:
Originally Posted by axipher View Post

So in that article a few posts back, is setting the VDDA to over 2 V safe at all?

It's set auto at 2.5 voltages on most chips
setting lower can probably lower temperatures.
    
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post #2409 of 8112
So VDDA is a PLL afterall hmmmmmm cheers.gif
post #2410 of 8112
Quote:
Originally Posted by thor2002ro View Post

here....
I keep my pc open... both panels removed...
something even more weird.... I dropped my cpu/nb voltage 1.2v risen the vcore to1.3250v temp dropped 2c I'm now at 61c prime95
hope it helps...

Yeah those temps are way too high for that setup. At that clock with the H70 you should only be about 40Celsius during Prime95 100%
What is your CPU temp in the BIOS? Should be sitting around 24 Celsius. If it's any higher, you have a problem with the Cooler Seating.
If it's at that temperature, then your temp program is reading wrong.
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