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CPU overclock causing RAM instability?

post #1 of 4
Thread Starter 
Hello, until this summer I had been running an i5 3570k overclocked to 4.4 GHZ with the minimum possible offset voltage. I have not done anything to my RAM. Last winter, I ran 9 hours of prime95 with fine temps and no errors. I spent the rest of the year playing games and running programs with absolutely no problems.

However this summer I started having problems - games such as ARMA 3 would BSOD the computer within minutes while others would run all day. I assumed it was the heat and reverted my CPU back to stock settings, and the computer has been fine since with no BSODS of any sort.

Now that the heat has let up some and I have some time to tinker, I've turned my settings back to what they were before (4.4 with minimum offset voltage), but the BSODs are still happening. This time I actually wrote down what I was getting and it was "Memory_Management". Obviously this is saying that my RAM is what caused the crash... but if I overclocked my CPU, why is the RAM becoming unstable? The RAM works just fine when the CPU is running at stock frequencies and voltages.

Is there a reason for this?

This week I'm going to run memtest86 both OC'd and stock and see what happens, but first I wanted to see if there was something else I could try since there probably isn't anything wrong with my RAM (it works fine at stock frequencies, crashes within minutes with a CPU overclock).

My specs

i5 3570k
Asrock z77 Extreme4
Corsair Vengeance 2x4GB RAM
post #2 of 4
Did you run Arma 3 back then immediately after you had run 9 hours of prime or you just started not too long a while back?
post #3 of 4
Thread Starter 
The prime was last winter. Then 6 months later games began crashing (I assumed it was the summer heat).

Is a CPU overclock causing the RAM to have problems normal? I wasn't aware the CPU affected the RAM at all...
Edited by GeneralScott - 8/6/13 at 10:25am
post #4 of 4
Quote:
Originally Posted by GeneralScott View Post

The prime was last winter. Then 6 months later games began crashing (I assumed it was the summer heat).

Is a CPU overclock causing the RAM to have problems normal? I wasn't aware the CPU affected the RAM at all...

Then your system was never stable right from the beginning. Later games means later instructions which means more stress and if your system wasn't fully primed (with all the available test sets for the lucas-lehmer iterations that also includes AVX instructions in the latest prime) you will definitely run into instability. Re-prime it fully this time. Your present instability could be falling in the 2nd test set instructions of 12 of 24 hrs of prime meaning that 12 hrs may not be enough to ascertain that your system is completely stable.
Edited by TLM-610 - 8/7/13 at 12:14am
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