Overclocking issue with 2 prime95 workers stopping

TheAterix · Oct 18, 2014

So ive just got my new motherboard as my asrock extreme3 990fx just wasnt upto the overclocking job, and ive not got a msi 990FXA-GD65 as i heard this would do the job nicely, and better yet, i got an awesome price on it.. SOi threw on a nice 4.4ghz overclock at 1.38 V and ive gotten into windows, ran prime95 and this is what happened...
After about 2 minutes of running the software, worker 6 stopped working first, and then worker 5 went out next, the temps are nice and low, with the cpu running at around 50 degrees celcius...
So what could be the cause of the cores stopping? do they need to be fed more voltage? or should i drop the oc a touch?

Please give me something to try, as i wanna get it running as stable as possible..
Thanks!

coolcole01 · Oct 18, 2014

your vcore is to low start bumping it up till it stops failing

TheAterix · Oct 18, 2014

coolcole01 :

will give it a shot now man, thanks!

coolcole01 · Oct 18, 2014

i would start at 1.45 if its the fx 8350

TheAterix · Oct 18, 2014

coolcole01 :

no, its the 8320, but im guessing that is still relevant? and also what clock should i start at? im a bit of a newbie to overclocking, and could do with some guidance, im basically just increasing the multiplier, disabling all of the powersaving stuff and saving and rebooting...

coolcole01 · Oct 18, 2014

once you get stable make sure your cores stay under 62

TheAterix · Oct 18, 2014

coolcole01 :

4.6GHZ @1.5V rebooted while using prime95 after about a min so i put the clock down too 4.4GHZ @1.5V and worker 6 just failed....

coolcole01 · Oct 18, 2014

go into the bios and bump your loadline calibration to its highest and make sure your power saving features are off

coolcole01 · Oct 18, 2014

here is a great guide
http://www.overclock.net/t/1348623/amd-bulldozer-and-piledriver-overclocking-guide-asus-motherboard

TheAterix · Oct 18, 2014

coolcole01 :

so ive got 4.1ghz @1.39V but after 14 minutes of prime95 it stops worker 5 and 6

coolcole01 · Oct 18, 2014

I would give the nb a little bump using the +/- on the number pad bump it up a tiny bit like .10

TheAterix · Oct 18, 2014

coolcole01 :

so i tried that and its been going for 23 minutes and worker 5 has died at about 14 mins in, any ideas now? and do you have anything like skype or something i could message you on s its quicker to reply, just inbox me your name if you do

bmacsys · Oct 18, 2014

TheAterix :

It literally can take many hours of tweaking to get a really good, stable overclock. You literally can tweak the EUFI bios on a good enthusiasts board for weeks. And that is if you are knowledgeable and experienced. Using Prime95 is the way to go to check for real stability. I call two hours of Prime95 with no errors whatsoever a stable overclock. I have my 8320 stable at 4.5 GHz in my first generation Sabertooth. Voltage and temps are the key. You need a very good, stout motherboard. That is a must. Also a good winter overclock may become unstable in the summer. The above link is good. I won't mention the overclock sites by name because I am pretty sure the mods here will delete my reply if I do.

TheAterix · Oct 18, 2014

coolcole01 :

worker 6 died after 1 hour and 13 minutes

TheAterix · Oct 18, 2014

bmacsys :

TheAterix :

It literally can take many hours of tweaking to get a really good, stable overclock. You literally can tweak the EUFI bios on a good enthusiasts board for weeks. And that is if you are knowledgeable and experienced. Using Prime95 is the way to go to check for real stability. I call two hours of Prime95 with no errors whatsoever a stable overclock. I have my 8320 stable at 4.5 GHz in my first generation Sabertooth. Voltage and temps are the key. You need a very good, stout motherboard. That is a must. Also a good winter overclock may become unstable in the summer. The above link is good. I won't mention the overclock sites by name because I am pretty sure the mods here will delete my reply if I do.

I dont think they delete them, im sure you can post links as i have seen links to other forums before... if you could inbox me it would help massively

coolcole01 · Oct 18, 2014

Bmacsys is right on its now experiment time each will be different just keep your cores under 62 and the voltage under 1.5 and you will be fine bud and look at the guide I posted

TheAterix · Oct 18, 2014

coolcole01 :

thanks mate, will give it a proper crack tomorrow, hopefully can get over 4.2

as thats my aim at least!
Thanks for all the help buddy

bmacsys · Oct 18, 2014

TheAterix :

Check out those forums. There is also the aspect of having really good airflow in your case. You could have a great cpu cooler but it won't do a darn thing if the hot air isn't expelled from your case. Maybe putting a 80mm fan on the backside of your cpu socket with 3M double sided tape. Putting a small fan on your mosfet heatsink. These things do wonders for your overclock and stability. And they cost little to nothing.

lancer586 · May 27, 2015

http://imageshack.com/a/img903/2484/JrB2NT.png
http://imageshack.com/a/img538/3034/8cUxDO.png

Overclocking issue with 2 prime95 workers stopping

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