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Haswell Overclocking Guide [With Statistics] - Page 533

post #5321 of 19580
Quote:
Originally Posted by Jason7890 View Post

C6 and C7 are hibernate modes,C1E controls power steppings i think.I would'nt worry,when you dialed in final overclock set voltage back to adaptive,on my Asrock at least I set an over-ride voltage when stress testing then switch back to adaptive as it works to the maximum value I inputted in over-ride,unless stress testing or benching.I have C6 and C7 dis-abled as they cause excessive writes to SSD,my volts still lower when frequency does.thumb.gif

That's interesting. I did notice my SSD writes going up ... went from .15 to .18 in the past few days since I forced C6/C7 on. I'll turn it off for a few days and check. 5W doesn't matter ALL that much to me.
post #5322 of 19580
Quote:
Originally Posted by Jason7890 View Post

I have C6 and C7 dis-abled as they cause excessive writes to SSD,my volts still lower when frequency does.thumb.gif

How exactly is C6/7 causing any writes to your SSD, let alone excessive writes? And really, people are still worried about SSD life span?

http://techreport.com/review/25559/the-ssd-endurance-experiment-200tb-update

C6/7 aren't hibernate modes, they are just deeper CPU sleep states. The CPU core flushes the cache and shuts down, but it doesn't flush the cache to SSD like a system hibernate would, it just clears it so the cache doesn't have to remain powered.
Edited by Forceman - 11/11/13 at 2:05am
post #5323 of 19580
On an unrelated but oc subject, looking at the XSPC raystorm, anyone has any thought on it. I will be checking and posting this question to the watercooling section.[/quote]

I thought about the raystorm kit but for me a custom loop was just more practical,i could pick and choose what i wanted and didnt want check out my haswell rig in my sig and compare prices and components.It cools great by the way
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post #5324 of 19580
Shooting for rock solid 4.7, currently at:


4.6 profile, solid:

1.85vrin @ turbo llc
1.27vcore
1.2 ring
"turbo mode" uncore (8x idle, 40x load)


Attempted 4.7 not solid yet:

1.95vrin @ extreme llc
1.345vcore (just 124'd at 1.335 with maybe very slight settings changes, but 101 before.. 101 can happen with too low vcore, if you're borderline, i think)

1.22 ring
"turbo mode" uncore (8x idle, 40x load)
+0.1 sa
+0.1 dio

^When it works perfectly, i'll pull back the stuff i don't need. This is a HT off profile, so my temps are fine on silver arrow. Didn't hit 190 on cinebench r15 singlethreaded, but there is no doubt in my mind i could break it with little effort if i set uncore/RAM to stuff that is not "strictly stable" as a couple quick runs i did showed only a couple points off

I'll keep updated of my progress, errors etc, and any discussion/pointers appriciated!

..And now i'm confused because i just found an old screenshot of 47x passing an 8 minute x264 encode with 1.32vcore, 1.88vrin.. missing sa/dio/aio and llc level from the info with it. grr

It was probably extreme. I'll try lowering my VRIN again at some point.
Edited by Cyro999 - 11/11/13 at 6:48am
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post #5325 of 19580
Quote:
Originally Posted by Forceman View Post

How exactly is C6/7 causing any writes to your SSD, let alone excessive writes? And really, people are still worried about SSD life span?

http://techreport.com/review/25559/the-ssd-endurance-experiment-200tb-update

C6/7 aren't hibernate modes, they are just deeper CPU sleep states. The CPU core flushes the cache and shuts down, but it doesn't flush the cache to SSD like a system hibernate would, it just clears it so the cache doesn't have to remain powered.

If they are deeper sleep modes etc it amounts to the same thing.And it may not be excessive but it does cause more writes to SSD.Whether or not its cause for concern,I just thought I'd throw it out there.My preference is to leave both off,i dont need deep sleep/hibernate,if I wanted to save power i would leave at stock instead of overclocking.
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post #5326 of 19580
Quote:
Originally Posted by kinzx View Post

I needed 1.32 to boot to 4.6 ghz and 1.36 to get 4.6 to pass benchmark and stress test. My hottest core get up to 81c-82c at 45 multi and 1.265 vcore, at 46 multi and 1.36 vcore I am hitting 94c-96c, this is running xtu bench and cinebench, at 47 multi I needed 1.365 to run cinebench and xtu spike but it to 100c. Even try and was able to boot at 48 multi and 1.375 but crash just surfing and watching youtube. Didn't bother upping vcore as I know that I will probably be needing close to 1.4 to get it stable but not going to until I can manage this heat. In gaming and my usual stuff my temp are in the mid 70c at most but stay around the 47c-65c range. I posted a pic of my temp going up to 60c doing nothing but just standing around in WoW with my 4.6 ghz setting.

It look like I will go custom water cool to see how much improvement in temp I can get there, and afterward decide if I will delid. I consider this a great chip if I can hit 4.7 ghz under 1.4 volt and a uber awesome chip if I can hit 4.8 around 1.4 volt if only for benching. It seem the chip has some potential but the heat on it is ridiculous. I think from all the posts I might have one of the hottest chip in the thread just at 1.265 volt.

Just to be clear, beside extensive test on 4.5 ghz at 1.265 vcore all the other multi were just quick test to get an idea so in no way am I claiming them to be stable. More test are needed.

On an unrelated but oc subject, looking at the XSPC raystorm, anyone has any thought on it. I will be checking and posting this question to the watercooling section.

The ray storm is a great kit. I was looking at it like you and it is upgradable. If you have more money, you can opt for a custom loop, and if u give me a budget we'll PM and talk if you want.

I too am trying to get a stable 4.5 at 1.265, but after coming back from morning practice, checked and got a BSOD on AIDA so going 1.27 ATM. Praying it will work...

EDIT: sucessful 1.27 4.5 for 4 horus at AIDA. I'm done, cant wait to play...
Edited by geogga - 11/11/13 at 10:52am
post #5327 of 19580
Quote:
Originally Posted by Jason7890 View Post

If they are deeper sleep modes etc it amounts to the same thing.And it may not be excessive but it does cause more writes to SSD.Whether or not its cause for concern,I just thought I'd throw it out there.My preference is to leave both off,i dont need deep sleep/hibernate,if I wanted to save power i would leave at stock instead of overclocking.

The CPU going into sleep states doesn't push anything to your SSD. I don't know why you'd think it would. The system isn't hibernating or sleeping, everything is still stored in main RAM, it's just the CPU cache that is getting flushed and the the cores are put to sleep. There should be no impact on the SSD at all. Unless you have a link that explains why the CPU going into C6/7 will cause anything to be written to the SSD?
post #5328 of 19580
I don't really know what i'm doing but with the core voltage on 1.35v I get my 4670k stable with 4,5Ghz in bf3, prime95 and ROG Realbench. With IBT it gets 100C with my Dark rrock pro 2, however in prime it only gets about 85.I couldn't get it to 4,6Ghz, even with 1,4v. Does anyone know how to solve this? And is there a reason I get bluescreens when I change the Bclk to even 101? And does anyone know how to get this voltage down? I have the idea it's quiete alot sinds people seem to consider everything above 1,25v as "extreme". I am planning to sell my chip next year (or the year after0 so a nice lifesapwn wont be a problem.
post #5329 of 19580
Dude...you say you don't know what you doing so why touch stuff you don't know about?
100celcius? You shouldn't even get 100 c at all and if you do you need to lower the voltage...also you shouldn't touch 1.4 because that's the reason for you're retardedly high temps.
Stay at 4.4 or something lower.

Hey small question guys, if stable for 4 hours on AIDA, then like a hour later I BSOD is that still considered stable?
post #5330 of 19580
Quote:
Originally Posted by geogga View Post

Dude...you say you don't know what you doing so why touch stuff you don't know about?
100celcius? You shouldn't even get 100 c at all and if you do you need to lower the voltage...also you shouldn't touch 1.4 because that's the reason for you're retardedly high temps.
Stay at 4.4 or something lower.

Hey small question guys, if stable for 4 hours on AIDA, then like a hour later I BSOD is that still considered stable?
Curiosity biggrin.gif
And I quiete enjoy it too.
Also I don't run IBT during daily use. In practive the temps never really go higher than 75-80 .I was just wondering if there was any way to lower the voltage by using this cache clocks vrings or something. But is 1,4 volt a ridicously high voltage than? And what is considerend safe and non damaging?
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