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i5 3570k 4.5 OC and WHEA errors

post #1 of 3
Thread Starter 
I have my i5 3570k OC'd and apparently stable @ 4.5 Ghz on air with max temps in Prime95 at around 74f using a Hyper Evo 212 and the Asrock Z77 extreme 4.

Have run it stable for weeks, or so it seems, until I followed some advice on here and found in my system logs that it has been racking up quite a lot of WHEA errors (Windows Hardware Error Architecture), each pointing to a processor failure that was recovered from.

So far all these errors are showing in the event log as recovered and no BSODs, so.... should I ignore them ? I get completely stable @4.4 Ghz with no WHEA.

4.5 is such a nicer sounding number biggrin.gif:p


Related question - I now know the extreme 4 is a less than perfect setup for a stable overclock due to its power management system and some cost cutting to get it in the budget-enthusiast market, but, is it reasonable to expect it to be able to power the i5 above 4.5 ? Whenever I try a 4.6 or 4.8 OC I get immediate freezes and BSODs while booting up, sometimes requiring clear CMOS.

Have tried a few steps up in boost voltage and alternatively vcore, but no magical fix yet that has allowed this past 4.5. Suggestions welcomed.

Thanks thumb.gif
post #2 of 3
Quote:
Originally Posted by axel000 View Post

I have my i5 3570k OC'd and apparently stable @ 4.5 Ghz on air with max temps in Prime95 at around 74f using a Hyper Evo 212 and the Asrock Z77 extreme 4.

Have run it stable for weeks, or so it seems, until I followed some advice on here and found in my system logs that it has been racking up quite a lot of WHEA errors (Windows Hardware Error Architecture), each pointing to a processor failure that was recovered from.

So far all these errors are showing in the event log as recovered and no BSODs, so.... should I ignore them ? I get completely stable @4.4 Ghz with no WHEA.

4.5 is such a nicer sounding number biggrin.gif:p


Related question - I now know the extreme 4 is a less than perfect setup for a stable overclock due to its power management system and some cost cutting to get it in the budget-enthusiast market, but, is it reasonable to expect it to be able to power the i5 above 4.5 ? Whenever I try a 4.6 or 4.8 OC I get immediate freezes and BSODs while booting up, sometimes requiring clear CMOS.

Have tried a few steps up in boost voltage and alternatively vcore, but no magical fix yet that has allowed this past 4.5. Suggestions welcomed.

Thanks thumb.gif

I got pretty much the same story. I also run my i5 3570k on the extreme 4 mobo. 4.4Ghz is seemingly 100% stable on stock voltage but I ran into the occasional WHEA error at 4.5, but I've never tried increasing voltage because frankly, I don't see a need for me to go past 4.4 right now. Maybe down the road when games are more demanding, but right now, no need for me.

If increasing voltage doesn't help, I would suggest lowering Uncore frequency - apparently people have found that to help Haswell overclocks, and I wouldn't be surprised if Ivy did the same way.
Edited by iamhollywood5 - 9/9/13 at 10:39am
post #3 of 3
Thread Starter 
OK got it stable this evening at 4.6 Ghz using a vcore offset. Max temp in prime hit a scary 86 before I dropped the offset a little and now its highest is around 83 with regular temps being mid 30s and typical game load being high 50s low 60s.

Tried fixing the cas timings on my ram but no luck there. I have the corsair vengeance 1866 DDR3 (2 x 8 GB), thought these would be good when I originally got them but the cas timings seem like crap, at least on the extreme 4.

The auto cas timings are really poor (10-11-11-30-2N), but if I try to set to the recommended settings per corsair they start failing mem tests with read / copy errors. Bummer.
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