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Haswell Overclocking Guide [With Statistics] - Page 968

post #9671 of 19569
Quote:
Originally Posted by Gugus03 View Post

Tried at 1.9v VIN, 1.3v, LLC lvl 8
Uncore 35 1.2v
VCCSA +0.2
IO Auto
Ram 2400 / 1.65v

It booted at 42 but rebooted after few seconds into OCCT.

My other 4770k wasn't crashing so fast and could handle 30min of occt and 17 passes of x264 until BSOD with LESS voltage... so this chip is out for me.
I just want to get 42-44 with a vcore of 1.25 or less with ram at 2400... if I don't get this I'll just keep my original chip at 40.


I have three 4770k to chose from
- one is stable (20 passes x264 64bit, hours of BF4, realbench) at 40/ vcore 1.18 / VIN 1.7/ ram 2400/ stock uncore
- the current one which i think is garbage, with the same settings I cant OC at all (it goes to 1.30v+ under load, at STOCK settings)
- next one should arrive tomorrow or monday will

Stop overclocking your IMC and manually controlling SA. If you insist on overclocking IMC and core at the same time, leave SA on auto - it will adjust itself more than +0.2 if necessary. I'd strongly recommend using RAM at 1600mhz or stock though while playing with core, and also not using either OCCT test.


Set 1.23vcore, 1.85vrin, max vrin llc, 33x uncore/cache, 1.15v ring/cache, try 44x, 42x, 40x core multi's in x264 til you have one that passes - then work from there. That's basic procedure that works best in all of my experience. If you know exactly what you're doing, maybe manual fft 1344-1344 in prime 27.9 if you want a harder test instead of working up to stable voltage, but x264 is more foolproof and easier to use effectively IMO

Important steps there are 1; 33x uncore. You're using 35, which is 40 at load. 1.2v may not be enough for certain loads or just at all - you don't know that - 1.18 at 35x locks up repeatedly for me if i set 35x (which is actually 40x under load, and turbo's under most boards IIRC) so it's too close to call stable blindly. 33x @1.15 is much safer

2; Type of test used. Few people here have good understanding of OCCT large test or whatever it is - i only played with it a little, but it's hard and not really understood. Can't give good advice on it, or say why you might not pass easily - x264 and prime single fft lengh is more tested even, particularly x264 around here. The OCCT linpack test is an out of date version of linpack, and i'd never recommend linpack for haswell stability testing - it's a rather extreme benchmark

3; RAM. Just setting 2400 can cause problems, you don't really know for sure. In particular, setting RAM yet forcing SA onto a specific value can cause hell in certain circumstances that are not well understood, so it's not something that you want to do while overclocking core

If after all of that you have a below average chip; so be it, but it's best to use a more controlled and understood OC procedure til you are rooted more firmly

Vast majority of chips are stable ~43-46x @1.23vcore bios and the settings i said in x264, and after that can take higher RAM clocks fine - out of a dozen or so people that i know personally, none of them need over 1.3 for 44x and none of them have any issue running RAM at 2400mhz, and judging by this thread, with procedure followed, failing 42x @1.25vcore load and the other settings would certainly be a rare case
Edited by Cyro999 - 2/7/14 at 10:15am
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post #9672 of 19569
Many thanks for your help and patience, will try and report back wink.gif
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post #9673 of 19569
Ok, so tried this

44
with 1.85vrin / 1.15 cache @33 / 1.25vcore

vccsa, vccio etc.. all on auto
LLC lvl8

with ram at 2400 = bsod 124 on windows loading
with ram at 1600 = bsod 124 on windows loading



Didn't bother with 43 and 42.... IMO this chip just sucks.
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post #9674 of 19569
Quote:
Originally Posted by Gugus03 View Post

Ok, so tried this

44
with 1.85vrin / 1.15 cache @33 / 1.25vcore

vccsa, vccio etc.. all on auto
LLC lvl8

with ram at 2400 = bsod 124 on windows loading
with ram at 1600 = bsod 124 on windows loading



Didn't bother with 43 and 42.... IMO this chip just sucks.

What MotherBoard are u using??
post #9675 of 19569
Quote:
Originally Posted by SgtRotty View Post

What MotherBoard are u using??
Asus maximus impact VI
The ram is the same as you i think
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post #9676 of 19569
Quote:
Originally Posted by Gugus03 View Post

Ok, so tried this

44
with 1.85vrin / 1.15 cache @33 / 1.25vcore

vccsa, vccio etc.. all on auto
LLC lvl8

with ram at 2400 = bsod 124 on windows loading
with ram at 1600 = bsod 124 on windows loading



Didn't bother with 43 and 42.... IMO this chip just sucks.

You can't say it sucks if it's 100mhz below average tongue.gif

that's not how it works - you can't expect average oc (~4.4@1.25, 4.5@1.3) and call anything below it terrible. Not great maybe, but not even bothering with it? lol
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post #9677 of 19569
Quote:
Originally Posted by lilchronic View Post

well got a new mobo yesterday and got the same code 00..... so my 4770k died, got approved for RMA with intel and shipped the cpu out today thumb.gif

Did your CPU have any marks on it? Off topic re: HW but my Ivy only runs the RAM in single mode because of "scratches" and I'm really now wondering.. what do I have to lose trying to RMA it. Do they approve it before sending or how did you go about it?
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post #9678 of 19569
Quote:
Originally Posted by Barefooter View Post

That is awesome you were able to get it replaced after a de-lid!
yep!

Quote:
Originally Posted by error-id10t View Post

Did your CPU have any marks on it? Off topic re: HW but my Ivy only runs the RAM in single mode because of "scratches" and I'm really now wondering.. what do I have to lose trying to RMA it. Do they approve it before sending or how did you go about it?

no i did not have any marks on it..... if you can glue the ihs back on and when you press it down the glue will ooze out a little and if that could cover up the mark i would try wink.gif or they might not even notice the mark

My rma was quick they got it and shipped out a new one the next day 2 day delivery..... thats how i shipped it to them , 2 day delivery


batch # 3333C396
4.7 ghz @ 1.4v

Quote:
Originally Posted by Wirerat View Post

Wait, what? Intel rma'd delided cpu? Was that standard warrenty of the performance add on warrenty?

I have both but the only reason I did not delid was warrenty.

i have the intel tuning plan but the guy i talked to didnt use it so i still have it wink.gif
Edited by lilchronic - 2/7/14 at 4:30pm
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post #9679 of 19569
Quote:
Originally Posted by Gugus03 View Post

Ok, so tried this

44
with 1.85vrin / 1.15 cache @33 / 1.25vcore

vccsa, vccio etc.. all on auto
LLC lvl8

with ram at 2400 = bsod 124 on windows loading
with ram at 1600 = bsod 124 on windows loading



Didn't bother with 43 and 42.... IMO this chip just sucks.

So you picked some random settings, got a BSOD, ignored the error code (which hints at what needs to be adjusted), and somehow it's the CPU's fault? Educate yourself on the workings of Haswell before you blame the instability on the CPU....

That's like not knowing how to work on cars, and blaming the car because you're not a mechanic....wink.gif

NOTE: I'm sorry if this comes across as rude, but it gets a bit irritating when people are constantly coming in this thread saying that their CPU sucks....If you read the 1st page of this thread, you will gain some knowledge....If you read the rest of the pages, you will gain even more....thumb.gif There were about 600 pages when I first found this thread, and I read every post in each page long before I even posted the 1st time in here. By the time I got to the last page, virtually EVERY question I had was already asked and answered....2cents.gif
Edited by blaze2210 - 2/7/14 at 4:45pm
post #9680 of 19569
OC Update followed by a question that some nice person will hopefully answer biggrin.gif

CPU: I7-4770k
Core Multiplier: 47
CPU VID: 1.32
Vcore: 1.324ish. Depends on stress test
Uncore multiplier: 44
Uncore Voltage: 1.2v
Cooling: Custom loop
Stability test: XTU/Cinebench
Ram Speed: 2133 9/11/10/27 1T
Input Voltage: 1.95
Mobo: MSI Mpower Max

Fairly happy with this OC and have been really struggling to stabilize 4.8. I found out yesterday while messing around that I am able to change the Bclk from 100 to 103 and it was still stable (so far). This increases my CPU to 4.842 and Ram to 2200. Vcore rises slightly when stressing but I have not had to change my CPU VID yet. Here's my question/issue. I read a lot of bad stuff about changing the base clock being able to torch other components (especially hard drives) since it changes the speed of just about everything including sata ports, how much of a risk am I taking by changing the bclk from 100 to 103? It was kind of a struggle to find anything related to haswell on the topic, most was SB or IB related. Thoughts/input? Thanks
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