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Haswell Overclocking Guide [With Statistics] - Page 744

post #7431 of 19539
Quote:
Originally Posted by Crabby654 View Post

Now that you mention it, I think I will switch it over to Offset Vcore.

I am cooling with a custom loop XPCS Rasa 3 fan radiator I think.

Do I need to mess with the Cache Voltage if its set to auto for the multiplier?

I need to use an older version of CPU-Z to get the correct sensors?! :O

And the instability I was getting with 4.6 and 4.5 for that matter was the computer would just crash at x264 loop 1-5, I upped the VCore and that seemed to help with 4.5 but I just can't do 4.6 even at 1.450 it will crash at like loop 3 or 4.

Right now I am doing AIDA64 test using 10Gb of ram and I'm getting temps of around 85c for the cpu and the highest core around 90c

When you say your PC crashed, what do you mean? Did you get a BSOD?
post #7432 of 19539
Quote:
Originally Posted by blaze2210 View Post

When you say your PC crashed, what do you mean? Did you get a BSOD?

Oi ya sorry, I'm loosing my mind at the moment haha. I was getting BSOD's, not hard lock up just a straight up BSOD.
post #7433 of 19539
Quote:
Originally Posted by Cyro999 View Post

Well then you probably have some other issue that you need to work out

You don't need +0.25 analog IO on stock.. so work back to where you can run with it on auto (so that you understand it) IMO. Keep in mind, it changes based on a few factors, so if you set +0.1, you could be lowering it from auto.

I've worked my way back twice, once where I thought the XMP setting was a problem. But then the cold boot persisted the next day on the 24th. I worked on it without success that day, until Christmas fell upon us.

I remember working through the problem on the 25th, in my head. Working my way back to where at 4.5GHz CPU System Agent and the Analogue and Digital I/Os were on Auto with no cold boot issues. I reasoned that it had to be one of these settings causing the problem.

I came home yesterday to test my theory and it turned out that Analogue at 2.3v or lower nullified cold boots but was not stable in x264. I benched extensively and CPU System Agent is good at a minimum of 0.15v, however Analogue and Digital are not stable unless they are at 0.25v. No other OC factor change from 4.5GHz to 4.6GHz had an effected on cold boot.

01. Ai Overclock Tuner => Manual
02. Asus Multicore Enhancement => Disable
03. CPU Core Ratio => 46
04. Min. CPU Cache Ratio => 35
05. Max. CPU Cache Ratio => 35
06. DRAM Frequency => 2400MHz
07. CPU Current Capacity (in DIGI+ Power Control) => 130%
08. CPU Core Voltage => Manual Mode
09. CPU Core Voltage Override => 1.36v
10. CPU Cache Voltage => 1.30v
11. CPU System Agent Offset => 0.15v
12. CPU Analog I/O Voltage Offset => 0.25v
13. CPU Digital I/O Voltage Offset => 0.25v
14. Eventual CPU Input Voltage => 2.0v
15. CPU Spread Spectrum => Disable
16. DRAM => 1.65v

Everything else is on stock settings.

The changes from 4.5 to 4.6 were, like I said, the CPU System Agent and the Analogue and Digital I/Os going from Auto to volts noted above, CPU Cache Voltage going from Auto to volt noted above and Asus Multicore Enhancement and CPU Spread Spectrum were on Auto. Also CPU Current Capacity (in DIGI+ Power Control) was on Auto and not 130%. CPU Core was on 1.29v and Eventual CPU Input Voltage was at 1.8v.

I'm with you, I've tried a CPU Analog I/O Voltage Offset as low as 0.15v, but it did not work.

What in your opinion is effecting the unstable overclock with x264, other then the lower then Analogue I/O 0.25v?
Edited by Gunderman456 - 12/27/13 at 2:45pm
 
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post #7434 of 19539
Quote:
Originally Posted by Darkwizzie View Post

Hmm, do you use Linpack while stressing? devil-smiley-019.gif

Lots of rocks to sift through before getting that gold.

Linpack is nice for testing memory, it does heat things up though tongue.gif
Quote:
Originally Posted by TheHunter View Post

lol either IXT utility doesnt use HT or his 4670K is magic ^^

here is mine same Freq. 4.7Ghz but with a 4770K HT on

Did a few screens with different memory types to see differences

1112 points with the samsung kit I was using in the stability screen at 2400mhz 9-11-11 28 128 1T

918 points with single sided hynix at 2933mhz 12-14-14 31 384 2T. It just doesn't run very tight timings, & needs the extra speed to help make up for it. Single sided dimms also have a pretty hard performance hit compared to double sided.


1045 points with double sided hynix at 2933mhz 12-14-14 31 235 2T. It can run tighter tRFC than single sided, & not as much performance hit.


1125 points with PSC at 2400mhz 9-11-9 28 128 1T. PSC really doesn't want to overclock well in this board, just will not boot 2400mhz c7 like other boards, & won't let me tighten timings at all.

Quote:
Originally Posted by Doug2507 View Post

Tidy OC! Should get some decent scores on cold with that one!

With regards to XTU and stability, Bench does seem like the harder test to pass but it's all relative to time. I can pass Bench no problem but stress will crash after a few hours requiring a small tweak on something to smooth it out. For benching if it passes Bench then it's good to go in my book, i can run near enough all benches at (at least) a multi higher than i can in Bench with less additional vcore than would be needed indicated by scaling if that makes sense. For core i'm either x50@.1.35v (xtu), x51+@1.4v (majority) or x52+@1.43v (one or two, pi/single CB etc)
Yep, mem can make a massive difference to XTU score, i picked up about 70pts just from tweaking ram a bit whilst running at max freq. I'll need to check if running them slower/tighter will net even more, or as you say, some PSC!

TheHunter - Try running it with HT off. thumb.gif

I still think the benchmark is a tougher stability test than the stress test.
I lowered the vcore to 1.17V & XTU bench crashed within 3 seconds. Lowered it more to 1.16V & the stress test still ran for 3 hours no problem.
x264 crashed 5% into the first pass of loop 2 at 1.16v, made it to the second pass at 1.17V, so that is more solid as a stress test than the XTU stress test for something to run for a few hours.

    
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post #7435 of 19539
Thread Starter 
Quote:
Originally Posted by josephimports View Post

Gigabyte Z87X-OC

4770k @ 4600Mhz
Uncore @ 3500Mhz
Memory @ 2133mhz
VRin - 1.85V (1.848V - 1.850v DMM)
Vcore - 1.230v (1.240V - 1.242V DMM)
Vring - 1.15V (1.186V DMM)
SA - auto (0.828V DMM)
digital IO - auto (1.009V DMM)
analogue IO - auto (1.006V DMM)
vdimm - 1.50V (1.499V DMM)

XTU benchmark added 15mv to my "gaming stable" oc. thumb.gif

 

thou shall be charted by thee

Quote:
Originally Posted by brandon6199 View Post

Hey guys,

Is it really possible that my chip is this poor of an overclocker? I have an i7-4770k 331 Costa Rica batch.

While dropping ram to 1600mhz and disabling XMP, and setting uncore at 34x, no matter how much vcore I pump through it (max I tried was 1.43v) and no matter what I set my Initial input voltage to (highest I've tried was 2.15v)

It literally takes 1.37v to get 45x stable while uncore is at 34x. When I try increasing the uncore to anything past 35x, I lose stability on my overclock. Yes, I understand how the silicon lottery works very well. It's just strange that literally almost every member in this thread is hitting 45x, 46x, and sometimes even 47x+ with less than 1.3v.

Did I just get a bad chip? I'll post my settings when I get home. Using a Maximus VI Formula.

Brandon, you have to look at the OC results chart before making the conclusion. The average max OC is still 4.55ghz. You found a way to get stable on 4.5, so in reality you're not really much worse than the average. The people that are very bad on the scale are stuck at 4.2, 4.3, 4.4. We still have the IPC advantage.

BTW, you mentioned initual input voltage. Err, the Asus input voltage value is at eventual input voltage. Make sure you've tried that, otherwise you might have made a mistake in your settings.

 

Quote:
Originally Posted by jameyscott View Post


You mash the pins in your cpu socket and you can achieve 6ghz with .7VID

Kk, brb.

 

Quote:
Originally Posted by fleetfeather View Post


Hey man, how can I overclock my 4770k?

You get a statue of Jesus and pour syrup over it and yell SWEET BABY JESUS!

 

Quote:
Originally Posted by fleetfeather View Post

Instructions weren't clear enough, got my willy stuck under the tension bar

Instructions not clear, willy stuck in sata port.
(So your willy fits in the sata port?)

 

Quote:
Originally Posted by Crabby654 View Post

Hey guys! So I'll just start off by saying this is my first Haswell chip and 1150 mobo but I am not new to OCing in general, but I did have some questions!

System:
i7 4770k
Asus Maximus VI Hero
16Gb Ripjaw 1866Mhz ram

Now before I upgraded to this new setup I had a P8P67 Pro and an i7-2600k @4.8Ghz stable and it ran great for 2 years. And man this Haswell has been a huge pain in the butt to get stable. There are way more voltage settings and now with this CPU Cache settings I'm getting a bit lost.

At the moment I believe I have hit some semblance of stability but I'm curious to see what you guys think of it and if anything seems "unsafe" in terms of bad for the parts.

- 4.5Ghz
- Adaptive VCore @1.300v but goes to 1.328 under load
- VCCIN @1.900V but goes to 1.950 under load
- Ram is set for its XMP Profile (1866Mhz setting)
- Highest temp around 80c
- Everything else in the Bios is set to AUTO or default, I did not touch the CPU Cache (I believe the auto for it is x39)

I have just done an x264 test for about 10 loops and I feel comfortable since before I was getting crashes at loop 1 or as late as loop 5.

Here is a pic of what it looks like now:



So basically I am asking for any tips or other optimizations you guys might have in mind for this Overclock. I tried my HARDEST to get to 4.6 but I had to set my VCore to 1.45v and I was not comfortable with that, the heat was fine but I didn't like the voltage that high. Any help would be much appreciated!

It looks like you are running stress test on adaptive. Then this is a public service announcement/reminder NOT to accidently run a synthetic on adaptive. You probably already know this, as you are not running one. But you know, better repeat myself just in case.

 

One thing that might help your stability is upping the Vrin when you Vcore goes up. For my CPU, it seems to really love that Vrin. 1.35v and 1.95v Vrin was fine (Probably could've lived with less Vrin, but was too lazy to lower it and test). And then, 1.42v for the next multiplier (4.6ghz) required 2.15v Vrin. You could try something like 2v Vrin to see if that has a positive or a negative effect on stability. I actually went all the way to 1.51v before realizing no amount of Vcore would help on its own and I needed Vrin.

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post #7436 of 19539
Thank you very much for the reply Darkwizzie!

At the moment I have my VCore set to go up to 1.315 on manual with the C states on so it the vcore does go down when not doing anything. I also did more x264 and some AIDA64 testing using 65% of my ram for an hour and everything seems "stable". Because of how high I need to raise the VRIN and VCore for 4.6 I may just live with 4.5 because its still pretty good, it chaps me a bit because my 2600k could get to 4.8 easily but whatever. Still satisfied!

One thing that has been driving me a little nuts is my multiplier shown in CPU-Z and even the task mananger shows it as 99.98 not 100, in the BIOS its obviously 100 but is there any reason for this? I do have my CPU Spread Spectrum shut off, I'm just curious if there is another hidden setting somewhere.
post #7437 of 19539
Quote:
Originally Posted by FtW 420 View Post


I still think the benchmark is a tougher stability test than the stress test.
I lowered the vcore to 1.17V & XTU bench crashed within 3 seconds. Lowered it more to 1.16V & the stress test still ran for 3 hours no problem.
x264 crashed 5% into the first pass of loop 2 at 1.16v, made it to the second pass at 1.17V, so that is more solid as a stress test than the XTU stress test for something to run for a few hours.

Cool. I've always done xtu stress last and normally it doesn't pick up errors till 4+hrs, most coming in at 8-9hrs. Why that is i don't know but i've stopped stressing for that long now as i just don't need it, much like yourself!

Some good testing with ram, i'll need to get the PI's in for a run. smile.gif
post #7438 of 19539
Thread Starter 
Quote:
Originally Posted by Crabby654 View Post

Thank you very much for the reply Darkwizzie!

At the moment I have my VCore set to go up to 1.315 on manual with the C states on so it the vcore does go down when not doing anything. I also did more x264 and some AIDA64 testing using 65% of my ram for an hour and everything seems "stable". Because of how high I need to raise the VRIN and VCore for 4.6 I may just live with 4.5 because its still pretty good, it chaps me a bit because my 2600k could get to 4.8 easily but whatever. Still satisfied!

One thing that has been driving me a little nuts is my multiplier shown in CPU-Z and even the task mananger shows it as 99.98 not 100, in the BIOS its obviously 100 but is there any reason for this? I do have my CPU Spread Spectrum shut off, I'm just curious if there is another hidden setting somewhere.

Yes, but don't forget, Haswell gets IPC advantage is should be able to beat 4.8ghz 2600k no problem.

I think the 99.98 is more of a sensor thing. We're looking at such a small discrepency in a program I personally don't really trust or like that much. Blegh.

 

If you made up your mind to stick with x45, please post the settings again and a good picture if you want picture verification. My chart needs MOAR DATA. :cheers:

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7600k @ 5.197/1.392 1.392v z170 Asus Hero EVGA 1080ti SC Black (2100/6250) x2 8gb GSkill Trident Z 3600 @ 3804 15-15-15-32-2T 
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Samsung 950 Pro 512gb (Undelwalt) WD Red 2tb (Pack Yak II) Seagate Expansion Drive 5tb (Phoenix Down II) 3x560mm HardwareLabs Nemesis GTX 
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XPSC Raystorm Pro Watercool Heatkiller 1080ti Full Cover Waterblock EK XTOP Revo Dual D5 (Serial, PWM, v4) EK ZMT (1/2 - 3/4 ID OD) 
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14xEK ACF (Compression Fittings) EK x4 250 (v2) Distilled Water + PT Nuke (Copper Sulphate) 24x140mm Silent Wings 3 
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Windows 10 Pro 64bit Catleap 27 Inch 2560x1440 IPS 60hz Display Coolermaster Storm Trigger (Brown Switches) EVGA P2 1000w 
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Corsair Air 540 Logitech G Pro Tek Syndicate "Raze the World" Desk Mat O2 + Odac by Mayflower Electronics (Rev A) 
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Sennheiser HD 800 2xKrk Rokit 6 G2 Blue Yeti (Grey) Rode PSA-1 Arm 
Other
Aquaero 6 LT + Aluminum Heatsink 
CPUMotherboardGraphicsRAM
i5 6600k Delid @ 4.848/4.848 Asus z170 Hero MSI GTX 980ti @ 1499/4082 1.25v/134% Power 2 x 8gb Gskills Ripjaws V 3131 16-16-16-32 
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Samsung Pro Series 840 256gb (Celapaleis) 1 TB Samsung Drive (Pack Yak) Samsung Pro Series 850 256gb (Celapaleis Reprise) Phoenix Down (External Backup) 
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Noctua D14 Kraken x61 Push-Pull for GPU Windows 10 Pro Catleap 2560x1440 @ 60hz 
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CM Storm Trigger Brown Switches EVGA Supernova 1000w P2 Corsair 540 Air Razer Abyssus 
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Steelseries QcK Mini Blue Yeti Microphone Objective Dac + Amp Sescom AB Switch 
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Krk Rokit 6 G2 x2 Radioshack Ground Loop Isolator (For Rokits) Wooaudio Aluminum Headphone Stand Sennheiser HD 800 
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post #7439 of 19539
Well I am just burnt out (pun intended) from overclocking and testing so much today I may try for x46 multiplier tomorrow I just get nervous putting my VCCIN up to 2v, but then again I did try that before with a VCore of 1.4 and got BSOD's while using x264...grr so many voltage options
post #7440 of 19539
Quote:
Originally Posted by Crabby654 View Post

Well I am just burnt out (pun intended) from overclocking and testing so much today I may try for x46 multiplier tomorrow I just get nervous putting my VCCIN up to 2v, but then again I did try that before with a VCore of 1.4 and got BSOD's while using x264...grr so many voltage options

It's always good to take a break and then get a fresh look at it. Looking over your settings next day and you see that vcore is -.35 and then you're like derp, how did that happen.
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