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[OFFICIAL] FX-8320/FX-8350 Vishera Owners Club - Page 469

post #4681 of 68054
I've used all of these test for years, I usually run through all of them for set amounts of time to decide if an overclock is stable. They are all usually pretty close in terms of being able to show instability (within 5-10%.)

As of right now, Prime 95 is a staggering 13,700% "more sensitive" than the next test on my machine (the next test passed, just under 7 hours, Prime failed in 3 minutes.) I call Primes bluff and I'm going to wait to see what this optimization does with it. The only thing I'll be doing with it is deleting the current version off my SSD, and waiting until the next release.

Once again, I'm politely stepping out as I really don't feel like carrying on this conversation again.
post #4682 of 68054
Quote:
Originally Posted by roofrider View Post

There were posts in this thread which said it failed for them at stock.
It'll be great if one of those guys take it to the mersenne forums and let them know of it.

Agree wholeheartedly, if they were running the latest 27.7 version.
post #4683 of 68054
Quote:
Originally Posted by Stoffie View Post

Sorry I disagree with you, I have a 8120, at stock it would not pass prime, after getting a xspc rx240 cooling system I tried to put the voltage all the way to 1.5V at stock clock and it would not pass, I never had a problem with it running AMD overdrive, aida 64 or indeed IBT, having said that (And more importantly) I never had any problems running anything on that chip, games were fine, my wife does video encoding and again she never said there was any problems with it so I think Prime does have some issues.
Funny how my 8350 wont be stable on prime build 25 but on build 27 it will be stable up to 4.7 GHZ at 1.41V. All of these things just point issues at there coding.

Quote:
Originally Posted by bmgjet View Post

Guess my chip is faulty then.
At stock settings
With prime 25.5 it starts failing every 2nd core with in 2mins.
With prime 27.7 it starts failing after a few hours but only when I go to use the PC for something (check emails/facebook)
Voltage doesnt matter, Tried higher CPU voltage and CPU-NB voltage up to 1.5V cpu and 1.3V NB.
Does the exact same when overclocked to 5Ghz.
Tried everything when all of us were trying to figure it out 150-200 pages back.
Weird thing is no other stability program has any problems and during the 2XP in bf3 I put in a solid 6 hours non-stop and it didnt crash and hasnt at all in anything.
Also Vishera supports 2 different instructions sets to Zambezi.
FMA and a different version AVX which is more closer to intels.
Oh look at that in the prime95 change log they have made some bug fixes to code that uses that for version 27.2
"The rewritten FFT assembly code in the current stable version 27 (since May 15, 2012) uses Advanced Vector Extensions (AVX) instructions"

I have no idea on the validity to these statements, I just did a quick search of this thread and grabbed two that happened to be on first page I looked at. Meant to include it in my last post.
post #4684 of 68054
Sir, i had this problem in my oc, whenever the cputin reaches 72 deg Celsius it automatically dropped the multiplier to x7 and in intel burn test evene without oc it reaches 70 degrees Celsius? does anyone knows how can i solve this and how to turn off that feature that automatically drop the multiplier
post #4685 of 68054
Quote:
Originally Posted by giooliva View Post

Sir, i had this problem in my oc, whenever the cputin reaches 72 deg Celsius it automatically dropped the multiplier to x7 and in intel burn test evene without oc it reaches 70 degrees Celsius? does anyone knows how can i solve this and how to turn off that feature that automatically drop the multiplier

imo u d better find a solution to cool down thoses 72° than to try to cut off the feature that prevent ur hardware to be fry biggrin.gif

or @ least try to verify/proove/be sure that the sensor has a "wrong" reading wink.gif

i hope u will find someone with the same mobo to help you out
Edited by UncleBlitz - 12/1/12 at 4:42am
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post #4686 of 68054
Finally got a 5Ghz stable for 1hr but I stop it due to temps maxing at 60C (Core temp) socket temp goes 71C, here's some benches

3Dmark 11
PCmark 7


Quote:
Originally Posted by giooliva View Post

Sir, i had this problem in my oc, whenever the cputin reaches 72 deg Celsius it automatically dropped the multiplier to x7 and in intel burn test evene without oc it reaches 70 degrees Celsius? does anyone knows how can i solve this and how to turn off that feature that automatically drop the multiplier


Did you turn off the APM? and the motherboards thermal protection feature (I know Gigabyte motherboards have that under PC health status tab), the APM is at "Advanced" tab if you are using Gigabyte board.
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post #4687 of 68054
Quote:
Originally Posted by giooliva View Post

Sir, i had this problem in my oc, whenever the cputin reaches 72 deg Celsius it automatically dropped the multiplier to x7 and in intel burn test evene without oc it reaches 70 degrees Celsius? does anyone knows how can i solve this and how to turn off that feature that automatically drop the multiplier

So it's hitting 70C even without an overclock?

You may need to re-seat your cooler.
post #4688 of 68054
Quote:
You may need to re-seat your cooler.

i already re seat my cpu cooler but the core temps gets higher, i think it is because of the thermal compound, maybe i would try to replace it with a branded one


Quote:
Did you turn off the APM? and the motherboards thermal protection feature (I know Gigabyte motherboards have that under PC health status tab), the APM is at "Advanced" tab if you are using Gigabyte board.

im using asrock board i already turned off the apm, and if you were talking about cpu thermal throttle i already turned it off/
post #4689 of 68054
What kind of cooler do you have ?.
post #4690 of 68054
Quote:
Originally Posted by giooliva View Post

i already re seat my cpu cooler but the core temps gets higher, i think it is because of the thermal compound, maybe i would try to replace it with a branded one
im using asrock board i already turned off the apm, and if you were talking about cpu thermal throttle i already turned it off/

Well I did use an Asrock Fatal1ty board before switching that board to a UD5 and that board has same problems on sensor, even at stock it reaches 65C but now with the UD5 I am barely reaching 58C at 4.7Ghz clocks (socket temps)
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AMD Phenom II x6 1090T Gigabyte 990FXA-UD3 Sapphire HD7970 Corsair Vengance 
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