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Haswell Overclocking Guide [With Statistics] - Page 542

post #5411 of 19540
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Quote:
Originally Posted by Menphisto View Post

Can too much voltage (vring) cause instability, too?

I don't think that matters because 1) Ring bus barely does anything to begin with 2) The 100-200mhz uncore you can squeeze out by going for broke on the uncore OC will do even less, and 3) You check required voltage by going from low to high voltage, so how can you get too high of a voltage?

 

I mean, you can test this but how high of a Vring can you run before the safety is questionable? It's not like Vcore where the required Vcore could be 1.2v but you put 1.35v and that's way above the needed voltage but still is well within the range of safe voltages.


Edited by Darkwizzie - 11/14/13 at 2:12am
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post #5412 of 19540
Right, so was doing some rendering today anyway, in After Effects and Sony Vegas, for a small csgo clip. Not bad, temperatures hit 70C max.

However, for the first time, RAM wasn't enough in my system. I was running both Vegas and AE at the same time and doing only 720p renders and stitching. But no crashes. And this is as intense as my PC will get. Stability is good.
post #5413 of 19540
I'm Prime, x264, Handbrake, and 3D Mark stable. But BF4 will crash w/ WHEA in Windows 8 from time to time. I THINK I may have resolved it by lowering cache ratio to 34, but not 100% sure yet. That's Vcore, right?

Oh yeah, removing my front and bottom fan filters along w/ the front fan door on the Corsair 550D lowered CPU AND GPU temps by 8 C...EIGHT SEA! Hoping the dust isn't too bad.
post #5414 of 19540
I think just tweak volts a bit. The main ones, vcore vrin ring.

If you could cut 8c by doing that.. your case temps were insane, ouch.

I've been playing a bit with settings - i got 47x stable day before yesterday, encoded this video three times. *edit: An hour of pass 2 load

Got up today, took 0.05vrin away, crashed in 8 seconds (101)

thought hey, that was fast.. put it back, unstable. Failed to pass test 5 times in a row - same settings that were solid before. Didn't last more than 3-4 minutes in any attempt.

Either some settings are changing under the hood, or settings that are stable one day are less stable another, which certainly has the potential to be confusing. I was somewhat expecting it, but it's hard to work with..
Edited by Cyro999 - 11/14/13 at 8:01am
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post #5415 of 19540
So now i know my CPU is 45x stable with 1,23vcore, how should i Start to OC the uncore?
post #5416 of 19540
I have a question. I'm running an intel 4570 with a gigabyte z87m-d3h. When all 4 cores are under 100 prime95 load my cpu runs at 3.4ghz. Because it reaches the 84w tdp limit so it won't boost up to 3.6 ghz. I was wondering is it possible to remove the tdp limit so he can allways run all 4 cores up to 3.6 ghz. I did find the tdp wattage and amperage setting in the bios. Default is 84/95 , i have set it both up to 250 but my cpu now won't go over 3.2 ghz because it got limited to 75w. So i tried upping thw limit but it got lowered. Is this normal or the new F8 bios from gigabyte is bugged?

Also is it possible to make my system fan headers be pwm controller by the cpu temp, not by the system temp?
post #5417 of 19540
Quote:
Originally Posted by Menphisto View Post

So now i know my CPU is 45x stable with 1,23vcore, how should i Start to OC the uncore?

Well, assuming you don't want to take the core any higher, i'd play around with VRIN a bit, do overnight x264 loop, make a final core profile and then afterwards just set ring to for example 1.2v and work up on uncore multi's in steps until you reach 45x/45x or become unstable

If you do want to take core higher, should do that first before uncore IMO.

I'm OCing with 40x uncore, but i've been overclocking for 5 months straight so have some more numbers and feels for how the chip will run


---
Quote:
Originally Posted by athlon 64 View Post

I have a question. I'm running an intel 4570 with a gigabyte z87m-d3h. When all 4 cores are under 100 prime95 load my cpu runs at 3.4ghz. Because it reaches the 84w tdp limit so it won't boost up to 3.6 ghz. I was wondering is it possible to remove the tdp limit so he can allways run all 4 cores up to 3.6 ghz. I did find the tdp wattage and amperage setting in the bios. Default is 84/95 , i have set it both up to 250 but my cpu now won't go over 3.2 ghz because it got limited to 75w. So i tried upping thw limit but it got lowered. Is this normal or the new F8 bios from gigabyte is bugged?

Also is it possible to make my system fan headers be pwm controller by the cpu temp, not by the system temp?

The setting should be "turbo power limit" or something. I can manually set and control that, my other settings are on auto i think, but it works for me on ud3h in that i can set it up to trigger with certain power load and drop to stock clock speeds.

For PWM.. I don't know. CPU temperature is correlated to CPU fan speed, so they're PWM'd by CPU temperature.

Heat in your case is not correlated to CPU temperature, so it doesn't make much sense to PWM case fans based on that - your fan's will be spinning like crazy sometimes when your case is 2c above ambient air, but also not spinning sometimes when it's 10c above, if i understand correctly.

Also, don't worry about the turbo dropping in Prime. With the right version of prime and avx running properly, it pulls like 50+% more power than max CPU load with x264 - turbo should be maintained almost all of the time if not all of the time without you messing around
Edited by Cyro999 - 11/14/13 at 9:27am
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post #5418 of 19540
Thanks, but my MSI board shows 1,2vring as dangerous voltage (red)
post #5419 of 19540
Quote:
Originally Posted by Cyro999 View Post

Well, assuming you don't want to take the core any higher, i'd play around with VRIN a bit, do overnight x264 loop, make a final core profile and then afterwards just set ring to for example 1.2v and work up on uncore multi's in steps until you reach 45x/45x or become unstable

If you do want to take core higher, should do that first before uncore IMO.

I'm OCing with 40x uncore, but i've been overclocking for 5 months straight so have some more numbers and feels for how the chip will run


---
The setting should be "turbo power limit" or something. I can manually set and control that, my other settings are on auto i think, but it works for me on ud3h in that i can set it up to trigger with certain power load and drop to stock clock speeds.

For PWM.. I don't know. CPU temperature is correlated to CPU fan speed, so they're PWM'd by CPU temperature.

Heat in your case is not correlated to CPU temperature, so it doesn't make much sense to PWM case fans based on that - your fan's will be spinning like crazy sometimes when your case is 2c above ambient air, but also not spinning sometimes when it's 10c above, if i understand correctly.

Also, don't worry about the turbo dropping in Prime. With the right version of prime and avx running properly, it pulls like 50+% more power than max CPU load with x264 - turbo should be maintained almost all of the time if not all of the time without you messing around

Well you have a K processor so i don't know if it's the same thing but i believe my bios is bugged. The problem is a can't find the older f7 bios for my z87m-d3h motherboard. On gigabyte website there is only the new f8 bios.

Talking about the fans, i just wanted to regulate 2 fans using my cpu temp as a parameter. But it seems all the system fan headers are pwm regulated by the system temperature...
And yes, gigabyte easy tune application won't load fan settings on startup, i have to start the appplication manually. Why is that? I marked the "load fan config on startup" checkbox.
post #5420 of 19540
Anyone with an MSI z87 mpower find a way to disable the igpu? I was looking through it and didn't see a way to just disable it.
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