OC with i5-4670K and Asus Z87-A

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W1981

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Jan 31, 2014
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Hello

I recenttly built my first system with the following specs:

Asus Z87-A
i5 4670K
cpu air cooling Cooler master 212 evo
G.Skill Ares Series RAM

I am fairly new to OCing and been readign a lot of posts so I attempted it myself.
I am overclocking my sytem at 4.4GHz using adaptive voltage with turbo voltage set at 1.2V and +0.001 offset.

Last night I run Aida64 for several hours and the system was stable with max core temps around 70C. I am now running prime95 and the temps are not going over 73C so Ipresume my system is handling things pretty well this far.

My question has to do woith the voltages. How do I know if i am undervolting my system? Would it crash for example during stress tests?

I hope I have provided enough information but if more is needed please enlighten me.

Regards
 
Solution
mr1hm
you could say so but, passing P95 can still let little instabilities slide as it'll only stress specific areas of the CPU. i've seen reports of people passing 12hrs, 24hrs of P95 and as soon as they launch a game, within the first minute they crash.

AIDA64 on the otherhand, try just leaving the FPU Test checked and everything else unchecked. make sure to watch your temps and if it goes without problems for about 20-30min, you're solid.
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mr1hm

mr1hm

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Jan 1, 2012
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you'll definitely see some irregularities happening if the overclock is unstable.

for example, if it's slightly unstable then you're PC may work just fine under light loading conditions (browsing the web and etc) but, as soon as you run a demanding program that puts a decent amount of load on the CPU, it can crash, freeze, give you an error and etc.
 
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W1981

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Jan 31, 2014
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Great so since I have run Aida64 at high stress test overnight and also got 20 parses of prime 95 earlier on without crashes it would mean that I am not undervolting? Is this right?
 
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mr1hm

mr1hm

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Jan 1, 2012
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you could say so but, passing P95 can still let little instabilities slide as it'll only stress specific areas of the CPU. i've seen reports of people passing 12hrs, 24hrs of P95 and as soon as they launch a game, within the first minute they crash.

AIDA64 on the otherhand, try just leaving the FPU Test checked and everything else unchecked. make sure to watch your temps and if it goes without problems for about 20-30min, you're solid.
 
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W1981

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Jan 31, 2014
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Hm i have also been playing wow on it for several hours and it's been just fine, in the aida test i enabled cpu/fpu and cache but will do just what you said. many thanks for the quick response
 
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