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Haswell Overclocking Guide [With Statistics] - Page 776

post #7751 of 19539
Quote:
Originally Posted by Darkwizzie View Post

I already outlined this on the first post of this thread.

I recommend x264 overnight, then just start gaming which is in itself a stability test.

Uncore to stock. Overclock core until you can't any more, then overclock uncore as much as you can without using unsafe uncore voltage or having to decrease core clock.

I am sorry. Well i went ahead and dialed uncore to 3.5 and kept core at 4.2 at 1.15V. The voltage for uncore is set to auto. I upped core to 4.3 and crashed so 4.2 seems to be it. I was able to up uncore to 4.2 with the voltage for it displaying at 1.249 at auto, i didnt dial in a specific voltage. You said in the original post to make sure its under 1.3, does this mean this setting is good? I ran x264 overnight no problems. I did some googling and people say uncore voltage should be the same or less than core.
post #7752 of 19539
Quote:
Originally Posted by imakeitrayne View Post

I am sorry. Well i went ahead and dialed uncore to 3.5 and kept core at 4.2 at 1.15V. The voltage for uncore is set to auto. I upped core to 4.3 and crashed so 4.2 seems to be it. I was able to up uncore to 4.2 with the voltage for it displaying at 1.249 at auto, i didnt dial in a specific voltage. You said in the original post to make sure its under 1.3, does this mean this setting is good? I ran x264 overnight no problems. I did some googling and people say uncore voltage should be the same or less than core.


For the umpteenth time people. Uncore does not affect performance except for in very few programs. There is actual data on the OP. Stop just believing what people say without having proof. Darkwizzie has provided proof in a multitude of benchmarks and a few games.
post #7753 of 19539
so would encore at 33 and core ratio at 47 be feasible? what would be a good 'un? I am stable at 46 cache ratio for 4.7 GHz 4 hours into game then every now and then my screen will freeze but I'm thinkin' it's the GPU or PSU
post #7754 of 19539
Well I'm now at 4.5ghz at 1.22V. I ran x264 for about 8hrs and everything ran through fine. I think I'm sticking with this for now. Uncore is at 40x.

Thanks all for the help and tips.
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post #7755 of 19539
Quote:
Originally Posted by D-Dow View Post

so would encore at 33 and core ratio at 47 be feasible? what would be a good 'un? I am stable at 46 cache ratio for 4.7 GHz 4 hours into game then every now and then my screen will freeze but I'm thinkin' it's the GPU or PSU

You aren't stable if you freeze in your normal tasks.

If you can run 46x uncore with 47x core core that's awesome and as long as the voltages are within safe ranges there is no reason to go back to stock uncore. Its when you lose the ability to overclock the core more because uncore is holding it back that it becomes an issue.
post #7756 of 19539
yeah jameyscott, I tried 4.8 with uncore at 35, and windows booted (wouldn't before), but in game I get blue screened, at 4.7 I never get blue screened, except if I put cache ratio at 47

probably should stick to 4.6 GHz as 4.7 is my max, but it doesn't matter if 46, 45, 44, I still get these freezes after a few hours playin' I think it may be the GTX 780 oc'd at +63 volts, but my fan curve is steep in the beginning...never have figured out how to set the fan curve optimally
post #7757 of 19539
Quote:
Originally Posted by D-Dow View Post

yeah jameyscott, I tried 4.8 with uncore at 35, and windows booted (wouldn't before), but in game I get blue screened, at 4.7 I never get blue screened, except if I put cache ratio at 47

probably should stick to 4.6 GHz as 4.7 is my max, but it doesn't matter if 46, 45, 44, I still get these freezes after a few hours playin' I think it may be the GTX 780 oc'd at +63 volts, but my fan curve is steep in the beginning...never have figured out how to set the fan curve optimally

If you just upped the voltage on the card and are using gpu boost 2.0, then it is most likely not the card and is an unstable cpu overclock or bad ram.
post #7758 of 19539
Quote:
Originally Posted by D-Dow View Post

yeah jameyscott, I tried 4.8 with uncore at 35, and windows booted (wouldn't before), but in game I get blue screened, at 4.7 I never get blue screened, except if I put cache ratio at 47

probably should stick to 4.6 GHz as 4.7 is my max, but it doesn't matter if 46, 45, 44, I still get these freezes after a few hours playin' I think it may be the GTX 780 oc'd at +63 volts, but my fan curve is steep in the beginning...never have figured out how to set the fan curve optimally

Never mind but:
Did You run any stresstests to test your CPU OC ?
To overclock CPU with an overclocked Graphics Card not knowing if Graphics Card is stable makes no sense at all. Than you have too many variables. This way you can only guess and this is what you do right now.
Why dont you like Doug suggested set your Grapics Card @stock and find out if your CPU OC is stable at all ??
Then after your CPU ist stable you start to OC the Graphics Card. Not CPU + GPU at the same time.
post #7759 of 19539
Thread Starter 
Quote:
Originally Posted by D-Dow View Post

yeah jameyscott, I tried 4.8 with uncore at 35, and windows booted (wouldn't before), but in game I get blue screened, at 4.7 I never get blue screened, except if I put cache ratio at 47

probably should stick to 4.6 GHz as 4.7 is my max, but it doesn't matter if 46, 45, 44, I still get these freezes after a few hours playin' I think it may be the GTX 780 oc'd at +63 volts, but my fan curve is steep in the beginning...never have figured out how to set the fan curve optimally

Original post lists testing one variable at a time. OC CPU with everything else on stock. Else you better be 110% sure the GPU is stable. You're making this even more complicated than it has to be.

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post #7760 of 19539
Has anyone started to see any degradation in their chips, and at what voltages?
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