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Overclocking Help plz i7-4770k Asrock z87 Extreme4 (now MSI Z87-G45) - Page 2

post #11 of 86
Thread Starter 
Ok so some things I noticed. Trying 4.4 cpu/cache voltages between 1.2-1.275 would boot but crash with prime95 within 1min. Anything higher or lower wouldn't even boot. Hadn't tried vrin or vring. ill give those a shot.

What kills me is all the people saying what Ghz they are getting and it seems like all they need to do is push the multiplier and maybe the voltage and they are good.
post #12 of 86

Seems to be a pretty wide variance in chips.  Lot of guys getting 4.5 or 4.6 at 1.25V, while I'm stuck at 44 @1.33V.  Same as Ivy, I guess.

post #13 of 86
I have the same cpu and asrock mobo as you.
No way in hell you should be over 80C using the 4.0ghz profile as that profile barely ups any volts.
I don't have the greatest cooler and I use the 4.2 profile bumped up to 4.3 and my temps are low 70 under full load (AIDA64).
Somethings up with your cooler and temps. I can use the 4.4 profile but because my cooling sucks it run s hot in 90's

Do yourself a favor and read this guide about Haswell Overclock. It will explain everything much clearer.
http://www.overclockers.com/3step-guide-to-overclock-intel-haswell

Also be sure to update your bios....many update have been released
Edited by Toque - 6/9/13 at 1:13pm
post #14 of 86
Thread Starter 
Yea bios is at 1.5 which i think is the most current. Im really worried i have a lousy chip. Maybe next weekend ill re-mount my cooler with the AS5 and see if the temps drop.

Toque can you tell me what the settings are ur using specifically.

Im feeling like i might have to settle for 4.0Ghz.
post #15 of 86
With my limited cooling I selected 4.2ghz in bios. The only setting I changed was the cpu ratio 42 to 43 which gives me 4.3ghz at 1.150v.

Also I didnt touch any ram setting as I read with haswell you should only mess with the cpu when overclocking.



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post #16 of 86
Dont use prime95 i does not have the correct instruction set yet
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post #17 of 86
Thread Starter 
What would be a good alternative to prime95 then?

Last night I kind of gave up and stayed at 4.0Ghz. When time permits ill try to fiddle with it more. To be honest im not even sure I could tell the difference between 4.0 and 4.4-4.8. It doesn't break a sweat with anything I throw at it. Still would be nice to squeeze a lil more out of it.
post #18 of 86
Quote:
Originally Posted by Zer0CoolX View Post

Ok so some things I noticed. Trying 4.4 cpu/cache voltages between 1.2-1.275 would boot but crash ...
Hope you have tried 4.4/3.9 CPU/Cache ratio too cos ime, o'cing the cache needs more volts than the CPU core.
Edited by MacClipper - 6/10/13 at 7:56am
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post #19 of 86
Thread Starter 
Hey Mac, actually I hadn't. I saw your post on another thread tho and was going to try it when I got home. This makes sense too as my eventvwr had an error that mentioned the cpu cache. I was worried it was faulty chip but would assume the issue would persist regardless of OC in that case.

Ill try it and report back. Whats the stock cache multiplier? Is there a correlation to the cpu/cache multipliers (ie you said 44/39, would 42 cpu be the same or different mult, would 46, etc?). Thanks
post #20 of 86
Quote:
Originally Posted by Zer0CoolX View Post

Ok so some things I noticed. Trying 4.4 cpu/cache voltages between 1.2-1.275 would boot but crash with prime95 within 1min. Anything higher or lower wouldn't even boot. Hadn't tried vrin or vring. ill give those a shot.

What kills me is all the people saying what Ghz they are getting and it seems like all they need to do is push the multiplier and maybe the voltage and they are good.

That's all I've had to do with my extreme 6. 46x multi hd 1.35v fixed and it has ran perfectly.

Just saw you have 16gb. I would up the voltage on the system agent / memory controller
Edited by Stay Puft - 6/10/13 at 9:23am
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