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Haswell Overclocking Guide [With Statistics] - Page 670

post #6691 of 19539
I'm in the hunt for 4.7ghz right now and I can't seem to get it stable. I thought I had it stable after a 10 pass IBT on extreme and aida64 all day long, but soon as I try to run Prime95 or OCCT, I BSOD or computer restarts within 2-5 minutes frown.gif I can run 4.6ghz just fine @ 1.380 vcore, but thats where I'm hitting the wall. No matter what vcore I run it seems (went up far as 1.45vcore) I cannot run OCCT or prime more then a few minutes. My temps are fine after I delidded. Any ideas?

Stable 4.6ghz:

vcore - 1.380
Input voltage - 1.9
uncore voltage - 1.10
cpu ratio - 46x
cache ratio - 38x

DRAM - 2400mhz 1.65v 10-13-13-32

Max temp extreme IBT - 75c


I've tried lowering both the DRAM down to 1600mhz and cache to 34x and it doesn't seem to make a difference.
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post #6692 of 19539
Quote:
Originally Posted by Darkwizzie View Post

Well, your Vcore is much lower than mine to begin with so I am  not surprised VCCIN didn't really need to be raised. You probably won't need to touch it even if you went to 1.3v.

Yeah, that's true. I'm beginning to think 2.0-2.15v VCCIN is good upto 1.35v vCore.
post #6693 of 19539
You're not detailing which BSOD's etc. Your VRIN seems really low though for 1.38/1.4vcore (load is 0.02 higher than what you set)

What gflops are you getting in IBT?
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post #6694 of 19539
I have been testing my system at 4.6 and 4.7. I can report that 4.6 ghz is rock stable and will do final testing over the weekend. I finally got 4.7 ghz to crash transferring about 1 TB of date/files between my hard drives. Heat never exceed upper 70s and cpu usage was at most 55% or so. This is with normal usage and not synthetic. It gave me a 124 error about an hour in. Kind of bewilder that I will actually need more vcore to transfer large files around when I do more strenuous work and it was fine. My question is ,124 is usually vcore but should I also double check vccin and cache voltage as well? I can't help shake this feeling that something is just off.
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post #6695 of 19539
Quote:
Originally Posted by Cyro999 View Post

You're not detailing which BSOD's etc. Your VRIN seems really low though for 1.38/1.4vcore (load is 0.02 higher than what you set)

What gflops are you getting in IBT?

1.38vcore is load, I have it set to 1.36v in the bios.

I'm getting Watch_Dog time out Blue Screens. IBT is coming out around 135 - 136 Gflops

What VRIN would you recommend for 1.4v+ ?
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post #6696 of 19539
Quote:
Originally Posted by pkrexer View Post

1.38vcore is load, I have it set to 1.36v in the bios.

I'm getting Watch_Dog time out Blue Screens. IBT is coming out around 135 - 136 Gflops

What VRIN would you recommend for 1.4v+ ?

1.95 doesn't work for me with 1.34vcore set, need more (with extreme llc)
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post #6697 of 19539
Quote:
Originally Posted by Darkwizzie View Post


What test? The validator doesn't show all the settings like uncore ratio, voltage, VCCIN, etc.

Core Multiplier: 46
CPU VID: 1.380v
Vcore: 1.384v
Input Voltage: 2.0v
Uncore Multiplier: 35
Uncore Voltage: 1.05v
Cooling Solution: Swiftech H220 AIO
Stability Test: RealBench H.264 Video Encoder (Fails) also it's stress test (10 Pass) and it passes the stress test and games (ie. Crysis 3) but not H.264.
Batch Number: L315B408 Malay
Ram Speed: 2400Mhz 10-12-11-1T 1.65v (OC'ed Corsair Vengeance Pro 1866)
LLC: Level 8
Edited by tone503773 - 12/10/13 at 1:59pm
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post #6698 of 19539
Quote:
Originally Posted by pkrexer View Post

1.38vcore is load, I have it set to 1.36v in the bios.

I'm getting Watch_Dog time out Blue Screens. IBT is coming out around 135 - 136 Gflops

What VRIN would you recommend for 1.4v+ ?

1.98VRIN is what I needed for 1.375v. I would suggest 2.00v+ for 1.4v+. Wizzie has 2.15v VRIN for 1.46v
post #6699 of 19539
fairly sure HWM had a heart attack during my benching session. 180W spike! haha

post #6700 of 19539
Just for those who based their OC on BF4 previously instead of X264 latest version etc, you may be able to lower it back down now to X264 levels (maybe due to the various patches).

I've been trying to get x46 stable but I'm missing some secret sauce that is causing it to fail either on 101 or 124 here and there when using X264 or Realbench even up to 1.41v and 2.05v VCCIN. It's fully stable in BF4 however @ 1.38v and 1.9v VCCIN. x45 is fully stable @ 1.32v and 1.82v VCCIN on everything.
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