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Haswell Overclocking Guide [With Statistics] - Page 48

post #471 of 19599
Quote:
Originally Posted by Threx View Post

About 124 bsods and vccin/vcore, I just did a quick little test to confirm (at least to myself) that adjusting vcore/vccin can indeed help with 124 errors.

I set everything in bios to stock.

Then I set core multi to 47, fixed mode.

Vcore to 1.300v, fixed mode.
Vccin still on auto, ran hyper pi, bsod 124

Set vccin to 1.800v.
Ran hyper pi, bsod

Set vccin to 1.810v, then 1.830v, then 1.85v
All bsod 124

Increased vcore to 1.305v
Vccin on auto, bsod
Vccin 1.810v, bsod
Vccin 1.860v, bsod

Increased vcore to 1.310v
Vccin on auto, bsod
Vccin 1.810v, bsod
Vccin 1.860v..... passed!

Ran hyper pi 3 times in a row, passed all 3 times.

So yeah, bsod 124 means adjusting vcore and/or vccin.

HWinfo reports that vccin went up to 1.872v and vcore (not vid) went up to 1.336v


Edit:

Setting uncore to 43x requires 1.175v to be stable for my chip. Anything lower than that the screen freezes when running hyper pi. No bsods, screen just freezes.
Setting uncore to 44x freezes even at 1.200v. Too afraid to go above that.
i guess it is actually Vcore, but VIN needs a bump to make that Vcore "stable".

what i need to know is what causes BSODs and what causes rounding off errors in Prime95.
post #472 of 19599
Quote:

It's not the worst (some are 1.18ish) but it's not the best, no. But a low VID isn't a guarantee of good overclocking, it just indicates potential. Try something reasonable like 4.5 @ 1.25V and see what happens. If you get that stable, then you are looking pretty good.

I spent some time playing and tweaking, and I'm not quite as despondent now...looks like I"m semi-stable @ 4.4Ghz with 1.300v, Cache @ 3.9 with 1.26v. And memory is running at full rated speed 2400 with stock timings (10-12-12-31). I may be able to lower that voltage as I play with some other settings, but thermals are not too terrible, saw peak of 86°C during AIDA stress test, with consistent temps across all cores (no more than 3° difference between all cores).

Anyone else have a ASUS Hero? Can't seem to find the CPU Input voltage...there are two items that sound similar: Initial Input voltage and Eventual Input voltage. The description of Eventual says "power provided to the CPU just before the OS loads". I'm thinking that might be it?
post #473 of 19599
For anyone interested I received a basically free 4770k and picked up a msi mpower max board which is btw freakin sick mobo...

anyways the chip itself is sucky so ill replace it in a month or so but for ref. and exp. its currently running at 4.7ghz 1.5v with 4.5ghz ring bus at 1.35v with 2.0v input/vccin so it hasn't degraded or anything yet for anyone interested in those kinds of voltage numbers...

I have found running the uncore within 200-300mhz is best ratio however can be trickier and require more voltage to do so but is freaking fast.//thumb.gif scores higher than my 5ghz 3770k
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post #474 of 19599
124 is mostly about Vcore, I've never been able to solve that BSOD aside from adding more Vcore.

Based on my testing when RAM is at 1333 and uncore is at 34x it should we should not be getting a 124 BSOD since they are pretty low.. infact there should be no need to lower the uncore fromx 39 as it is the default turbo spec.
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post #475 of 19599
Found my daily gaming OC for anyone interested

45x Mult
40x Uncore
1.25v vCore
Auto Volt Uncore
Ram 2400 mhz stock timings @ 1.65v
VRIN Auto

I don't really feel comfortable at 1.29v for 4.6 ghz stable as my daily, but maybe once games actually start to use my processor to its fullest extent and people know Haswell's ins and outs entirely I'll consider it.

EDIT: vCore and vUncore are at Auto not override
Edited by Big Texas - 8/10/13 at 2:06pm
post #476 of 19599
Thread Starter 
Quote:
Originally Posted by Big Texas View Post

Found my daily gaming OC for anyone interested

45x Mult
40x Uncore
1.25v vCore
Auto Volt Uncore
Ram 2400 mhz stock timings @ 1.65v
VRIN Auto

I don't really feel comfortable at 1.29v for 4.6 ghz stable as my daily, but maybe once games actually start to use my processor to its fullest extent and people know Haswell's ins and outs entirely I'll consider it.

EDIT: vCore and vUncore are at Auto not override

Batch number and stress testing please.

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post #477 of 19599
L312B326

Running it now
post #478 of 19599
Hi, long time lurker, only just registered following the purchase of my new rig.
Thanks to those who have contributed to this thread so far, It's been a nice read even though I must admit I have skimmed some of it.
Tonight I've done my first attempts at manually overclocking, where as in the past I let the motherboard do the job for me.

I've followed the 3step guide in the and proceeded as followed: (see my sig for my rig)
1) set uncore to 35 and left it at that the entire time
2) set my RAM to 1600
3) changed my multiplier by 40 and vCore to 1.2

It seemed to run stable with just an hour of stresstesting in Prime and watching temps in HWmonitor, it was around 58ish degrees Celsius.

4) gradually bumped up the multiplier with the same core and ended where I am now.
43 with the same Vcore 1.2 and around 67 degrees Celsius.

This led me to believe there was more in it. So trying to find my sweet spot I've upped the multiplier again by 1 and this led me to 124 bsod's.
After reading posts in this topic, I came to the conclusion to up my vcore. And I did. Gradually with increments of 0.05's.
I went as high as 1.32 and stopped after that. It would load into windows, but Priming would end me with 124 Bsod's again.

I'm led to believe that I shouldn't need to up the vcore that much just to read 100 more Mhz. so I must be missing something. What could this be?
I know this all must sound pretty noobish, but I've seen some nice helpful posts in this thread and I'm hoping I can count on some too smile.gif.
    
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post #479 of 19599
Quote:
Originally Posted by R0th View Post

Hi, long time lurker, only just registered following the purchase of my new rig.
Thanks to those who have contributed to this thread so far, It's been a nice read even though I must admit I have skimmed some of it.
Tonight I've done my first attempts at manually overclocking, where as in the past I let the motherboard do the job for me.

I've followed the 3step guide in the and proceeded as followed: (see my sig for my rig)
1) set uncore to 35 and left it at that the entire time
2) set my RAM to 1600
3) changed my multiplier by 40 and vCore to 1.2

It seemed to run stable with just an hour of stresstesting in Prime and watching temps in HWmonitor, it was around 58ish degrees Celsius.

4) gradually bumped up the multiplier with the same core and ended where I am now.
43 with the same Vcore 1.2 and around 67 degrees Celsius.

This led me to believe there was more in it. So trying to find my sweet spot I've upped the multiplier again by 1 and this led me to 124 bsod's.
After reading posts in this topic, I came to the conclusion to up my vcore. And I did. Gradually with increments of 0.05's.
I went as high as 1.32 and stopped after that. It would load into windows, but Priming would end me with 124 Bsod's again.

I'm led to believe that I shouldn't need to up the vcore that much just to read 100 more Mhz. so I must be missing something. What could this be?
I know this all must sound pretty noobish, but I've seen some nice helpful posts in this thread and I'm hoping I can count on some too smile.gif.

I seriously doubt you would need that much vcore to hit 4.1GHz, something else is causing your BSODs. I could make a guess, but some more information would help greatly in figuring out what the cause is.

Is your voltage mode set to manual?
What's your Vccin/VRIN?
Double check and make sure your motherboard isn't overclocking the BLCK or any of those settings by default. Some manufacturers like to cheat by doing that.

Edit: BTW, your sig is blank for me.
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post #480 of 19599
hi guys, first time haswell overclocker here, im running at 4.4 at 1.2517 volts atm, and am using adaptive mode, but hwmonitor and aida64 sensors are showing the volts at 1.2517 all the time, isnt adaptive mode supposed to use less volts when idle/low usage, instead of volts at 100% load? or are the sensors just showing what i have it set to for the 100% usage volts?

also, do you think i should try to push 4.5+ at these volts till i become unstable? or try to dial back the voltages until i hit 4.4 stable on as little volts as possible?

one last thing, was playing crysis 3 after this overclock for the first time, game has ran stable before, just had a crash on it "crysis 3 has stopped working" error popped up. Gpu is stable, and so far from what ive seen the cpu is stable, do you think it was just a crysis3 related issue? i was thinking if it was because of this overclock it would cause the entire computer to crash and not just the game. max temps during the crysis run was 64c.

pics -

at 4.3 1.2517v -



at 4.4 1.2517v -





so let me know, 4.5 push at these volts? or scale back my current volts and keep 4.4 smile.gif
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