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Haswell Overclocking Guide [With Statistics] - Page 953

post #9521 of 19540
I have the asus formula 1150 mobo, and I have a few questions.

I am at 47 Core Ratio,

should i set my min ratio to 42 and max to 47 then, to keep within 500mhz?

What is a good place for CPU cache voltage? I do not have the same type of settings as the OP, so not to sure.


I also have initial and eventual input voltages, what should they be? I had them set at 1.9 and 2.1 but was not too sure. For LLC i just kept that on auto.

Thanks

(posted this in a few threads,wasnt sure which thread was best to post in)
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post #9522 of 19540
Quote:
Originally Posted by thrgk View Post

I have the asus formula 1150 mobo, and I have a few questions.

I am at 47 Core Ratio,

should i set my min ratio to 42 and max to 47 then, to keep within 500mhz?

What is a good place for CPU cache voltage? I do not have the same type of settings as the OP, so not to sure.


I also have initial and eventual input voltages, what should they be? I had them set at 1.9 and 2.1 but was not too sure. For LLC i just kept that on auto.

Thanks

(posted this in a few threads,wasnt sure which thread was best to post in)

Leave min on Auto so it can downclock while at idle. Don't touch Initial Input Voltage, Set Eventual to what you need for whatever your other settings are.

Above all

Read the guide until your eyes bleed.
post #9523 of 19540
Quote:
Originally Posted by jameyscott View Post

Leave min on Auto so it can downclock while at idle. Don't touch Initial Input Voltage, Set Eventual to what you need for whatever your other settings are.

Above all

Read the guide until your eyes bleed.

On my Asus board leaving Min and Max Cache Ration on Auto just pegs the Cache Ratio at 39 (3.9GHz). It doesn't downlock with the core. I had to set Min CPU Cache Ratio to 8 in order for it to downclock.
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post #9524 of 19540
Quote:
Originally Posted by jameyscott View Post

Leave min on Auto so it can downclock while at idle. Don't touch Initial Input Voltage, Set Eventual to what you need for whatever your other settings are.

Above all

Read the guide until your eyes bleed.

whats the max safe vcore for haswell?
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post #9525 of 19540
Quote:
Originally Posted by thrgk View Post

whats the max safe vcore for haswell?

Read the bold. Do it. It's good for you.
post #9526 of 19540
So, it's time for my entry!

Username: Hanshin
CPU Model: 4770k (Delidded)
Core Multiplier: 45
CPU VID: 1.23
Vcore: 1.248
Uncore Multiplier: 44
Uncore Voltage:1.22
Cooling Solution: H100i w/ Gelid Silent 120 PWM
Stability Test: x264 *20, OCCT Linpack 8 hours, OCCT CPU 7 hours, LinX 7 hours, Asus RealBench (benchmark) *10, gaming (Crysis 3, Planetside 2, FF XIV)
Batch Number: Malay L307B239
Ram Speed: Avexir Core Series 2000Mhz 9-11-9-27-36
Ram Voltage: 1.65
Input Voltage: 1.82
LLC Setting: LLC level 8
Motherboard: Maximus VI Formula 0804 Bios

And the picture!



It seems the sweet spot for my CPU is 4.4, as I can maintain it stable at this speed with 1.184v on all the benches I mentionned for my actual OC. I think I will revert to 4.4 as I can't really justify the voltage bump for only such a small gain.
The max stable tested is 4.8@1.295v but with so many horror stories about the chip degradation, I think I'll keep it "safe" and no push it this far.

I need to tweak the uncore and RAM but I'm satisfied with my overclock right now! Thanks to all for the numerous tips I read on this topic! thumb.gif
Edited by Hanshin - 2/2/14 at 2:11am
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post #9527 of 19540
1.295 is fairly safe. I'd use that. Personally using 1.325v fr my 4.7 clock.
post #9528 of 19540
Well, I'm very tempted to try it as my 24/7 OC but with such mixed results past 1.2v on the long term, I wonder if it is a good idea. Delid it gave me good results (71°C max on x264 @ 4.8 with a median of 67°C) but I'm more concerned of the voltage on long term as some people see their chips degrading with similar voltages on a relatively short period.

How long have you been using this settings? Any signs of degradation?
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Eva-00
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post #9529 of 19540
Quote:
Originally Posted by Hanshin View Post

Well, I'm very tempted to try it as my 24/7 OC but with such mixed results past 1.2v on the long term, I wonder if it is a good idea. Delid it gave me good results (71°C max on x264 @ 4.8 with a median of 67°C) but I'm more concerned of the voltage on long term as some people see their chips degrading with similar voltages on a relatively short period.

How long have you been using this settings? Any signs of degradation?

I've used the settings for months and months with no sign of degradation. Heck, Darkwizzie has been running 1.42 with his system basically being on 24/7 with chess running at night and gaming during the day. He abuses his system with no signs of degradation.
post #9530 of 19540
Okay, thank you!

I guess I will give it a try for a week and see how it comes!

I will just skip the use of synthetic stress tests, as x264 and RealBench are more realistic for the use I make of my PC (and gaming, for sure biggrin.gif) and the temps obtained even on synth tests are very good.
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