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[Official] Delidded Club / Guide - Page 793

post #7921 of 33696
Quote:
Originally Posted by VonDutch View Post

another Q.
i was thinking about (maybe) making a thread about stability testing,
programs to use, how to set up etc..

theres so much difference in using prime95 for example,
what is best, some say 10H, others 12H, i think 18H, others say 24H...

so, what is it, and whats the best procedure,
first test, cinebench, look for whea errors
second, 10-20x ibt, max ram
then prime, 12H, 18H and 24H

i think its the combination of tests that make a oc stable,
even playing a cpu intensive game like bf3,
click around in windows, do some browsing on the net etc, even after 24H prime,
a oc can still fail playing a game, or just browse the inet etc



i took this info from anandtech forum,

LinX (Intel burntest) is superior to Prime95 small FFT for determining CPU core logic stability.
Must run with the IBT thread count set equal to the physical core count of the CPU.
HT slows it down and reduces the ability to determine stability. Set to 4 threads on a 2600K.
Set memory to "All".
Stability Criterion: Must pass 5 cycles minimum, passing 20 cycles is preferred (considered gold standard)

Prime95 large FFT is superior to LinX for determining L3$/IMC stability.
Must use large FFT, blend is insufficient. <- reports indicate this is false for AMD stability tests, see post #4
HT is ok for this test.
Stability Criterion: Must pass 2 hours minimum, passing 12 hours is preferred (considered gold standard)

HCI memtest is superior to LinX, Prime (large or small), and memtest86+ for determining memory stability.
Launch one instance per thread supported by CPU (8 instances of HCI memtest for 2600K)
Set each HCI instance to use an appropriate fraction of the memory...16GB on a 2600K means each HCI instance (there will be 8 instances) are to use 2048 MB.
Stability Criterion: Must pass 200% coverage minimum, passing 1000% coverage is preferred (considered gold standard)

OCCT GPU test w/error checking enabled is superior to Kombustor for determining GPU stability. (updated link to OCCT 4.0.0, thanks NoobyDoo!)
Error checking MUST be enabled by the user (check the box), otherwise you are leaving it up to your eyes to detect visual artifacts which renders the test entirely subjective.
Stability Criterion: Must pass 20 minutes minimum, passing 1 hour is preferred (considered gold standard)

you guys think this is ok like it is, or can it be improved?
for prime i would say, 18H is gold..

I'm for it VonDutch! I'd think it would be a great thread with you running it, and I bet it would be useful to those wishing to learn about stability issues.

Quote:
Originally Posted by VonDutch View Post

Quote:
Originally Posted by ivanlabrie View Post

I think 18hs prime is to complete the blend test cycle...Other than that, sounds brilliant!
BTW, links?

yea, tempted to start a , "Stability Stresstest how too" thread, something like that,
would be my first thread on ocn too ..lol

just thinking about it tho, not sure if its worth the trouble,
but could help alot of people who have questions about how to run, what to run etc...
gathering info in the coming days, then ill decide if i will or not,

was reading this thread on anandtech,
What do you (in your opinion) consider a stable OC? Discuss.
http://forums.anandtech.com/showthread.php?s=66abd730be59db417e7ef867a18485f6&t=2294928
then i clicked on a idontcare link(second post) and that took me here,
Overclocking CPU/GPU/Memory Stability Testing Guidelines
http://forums.anandtech.com/showthread.php?t=2195063

i could use the info from there, and some other input from you guys,
i mean, we know what works and what not, when it comes to stability testing,
one would be, what feniks and i prefer,
run Cinebench first with a new oc, and check for Whea errors in eventviewer...

or how would AIDA64 work, it has a system stability test in it,
i had to use it back then because i couldnt run prime and ibt at 4.5ghz.. 105C
i think im not the only one having trouble with high temps undelidded,
but im not sure howlong it would have to run..

running heaven benchmark and prime95 together ?

And you already have some stuff to put in the initial thread post!

Quote:
Originally Posted by VonDutch View Post

Great news guys, a final answer about Liquid Ultra's W/mk from coollabs,



Dear Mr. ****,


thanks for your mail. The heat conduction value for Coollaboratory Liquid Ultra is 38,4 W/mk.

For more information we are gladly at your disposal.


Sincerely yours,

Coollaboratory Support


that would mean the little list i/we use isnt that far off too,

LM Pro = 82w/mK (according to a HWBOT 2008 TIM roundup)
LM Ultra = 32 or 38w/mK (several web sources)
IX = 20w/mK (IX literature)
PK-1 = 10.2w/m -c (frozencpu)
everything else is less

so i can take out the 32W/mk and use the 38W/mk from now on,
and change "several web sources" to "Coollaboratory says so"...lol smile.gif

LM Pro = 82w/mK (according to a HWBOT 2008 TIM roundup)
LM Ultra = 38w/mK (Coollaboratory Info)
IX = 20w/mK (IX literature)
PK-1 = 10.2w/m -c (frozencpu)
everything else is less


or should it say, (Coollaboratory Helpdesk)?

Good to have that as a known quantity VonDutch! Good work. thumb.gif
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post #7922 of 33696
Quote:
Originally Posted by ivanlabrie View Post

Kinda like IC Diamond...The instructions say you should heat the syringe in boiling water first.

I saw GFest at OCF a while ago talking wc, hence the salute. Never noticed that post (?)

The lid on the syringe doesn't seem to sealed, I'm kind of scared of putting it into water. I used my heat gun sparingly across the syringe and it worked fine.
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post #7923 of 33696
Quote:
Originally Posted by Swag View Post

The lid on the syringe doesn't seem to sealed, I'm kind of scared of putting it into water. I used my heat gun sparingly across the syringe and it worked fine.

Put it inside a bag? lol
Can't be too hard...The cap fits pretty tight on mine.rolleyes.gif
post #7924 of 33696
Quote:
Originally Posted by Swag View Post

The lid on the syringe doesn't seem to sealed, I'm kind of scared of putting it into water. I used my heat gun sparingly across the syringe and it worked fine.

yea, was just a tip that came to mind, but a heatgun/hairdryer works too..
you could tape the seringe cap if your worried about it, seal it that way..just another thing that comes to mind ...lol
but i didnt do any of those things, and it worked for me, only trouble i had was getting the right amount on the die,
i had to use a bit of pressure to get it out of the seringe, then it came out to hard, and to much,
but then i used the seringe again to suck up the to much pro...no problem..
Edited by VonDutch - 1/11/13 at 11:58pm
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post #7925 of 33696
So just got my i7-3770k in and have been running prime for the last 20 minutes. Seems like a decent chip, albeit I have little experience on judging one. 4.5ghz with only a .04 turbo offset and has been stable for the last 25 minutes in prime.

Now I know I just mounted my water block on, but my temps are rather varied at the moment.
Core0-72
Core1-78
Core2-75
Core3-75

Which is making me somewhat inclined to go ahead and attempt to delid. Is it worth it with this chip or should I keep trying to see if I can get 4.7/4.8ghz without attempting it?

And Liquid Pro is just gallium? Does it not have issues spreading out then once applied and heat is added?
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post #7926 of 33696
Quote:
Originally Posted by teamrushpntball View Post

So just got my i7-3770k in and have been running prime for the last 20 minutes. Seems like a decent chip, albeit I have little experience on judging one. 4.5ghz with only a .04 turbo offset and has been stable for the last 25 minutes in prime.

Now I know I just mounted my water block on, but my temps are rather varied at the moment.
Core0-72
Core1-78
Core2-75
Core3-75

Which is making me somewhat inclined to go ahead and attempt to delid. Is it worth it with this chip or should I keep trying to see if I can get 4.7/4.8ghz without attempting it?

And Liquid Pro is just gallium? Does it not have issues spreading out then once applied and heat is added?

we need to know your (stable) vcore at 4.5ghz, if its anything like 1.25-1.2V vcore or lower, it might be worth to delid,
the tempdifference is "normal"between cores, 6C is good..i had about 15C difference between hottest/coolest core before delid under load smile.gif

liquid pro is not pure gallium, theres some others componenets in there too....wait...
pro contains, Alloy of the metal components gallium, indium, rhodium, silver, zinc and stannous.

it spreads like other tims once applied,
but doesnt seem to have the pump out effect thats reported sometimes using other tims on ivy,
because the temps go up and down very fast with ivy..
Edited by VonDutch - 1/12/13 at 12:12am
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post #7927 of 33696
Hmm, thanks for the info. Chip has only been in for the last hour or so. Not quite sure how it's clocking. Probably doesn't help that I'm rather inexperienced redface.gif

I'll see what VCore I'm stable at for 4.5ghz. Should I expect more out of my i7 than 4.5, or is that a pretty good point to settle in for day to day use on them?
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post #7928 of 33696
Quote:
Originally Posted by teamrushpntball View Post

Hmm, thanks for the info. Chip has only been in for the last hour or so. Not quite sure how it's clocking. Probably doesn't help that I'm rather inexperienced redface.gif

I'll see what VCore I'm stable at for 4.5ghz. Should I expect more out of my i7 than 4.5, or is that a pretty good point to settle in for day to day use on them?

If you're not de-lidded 4.5GHz is good and dandy. If you are i'd go for a higher overclock.. Most 3570k's/3770k's can do 4.5GHz fine without being de-lidded. tongue.gif
 
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post #7929 of 33696
Quote:
Originally Posted by teamrushpntball View Post

Hmm, thanks for the info. Chip has only been in for the last hour or so. Not quite sure how it's clocking. Probably doesn't help that I'm rather inexperienced redface.gif

I'll see what VCore I'm stable at for 4.5ghz. Should I expect more out of my i7 than 4.5, or is that a pretty good point to settle in for day to day use on them?

yw smile.gif
4.5ghz for daily use, is a very nice oc..thats what i wanted when i joined here,
but i was limited by temps to do so, i hit 100+C running prime at 4.5ghz
4.5ghz is about 25% increase in speed over stock, not bad at all right ..lol

i would only delid if you have crazy temps for lower oc's,
or you want to push your chip to the limit, and need the drop in temps to get it..
i can run IBT now at 5.0ghz, and my hottest core is about 84C
i settled for 4.7ghz daily oc, at about 1.3V vcore
Edited by VonDutch - 1/12/13 at 12:37am
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post #7930 of 33696
Well it seems I'm at 4.6ghz stable for the last 24 minutes using Prime on 1.28 vcore. As for temps my max is Core 1 at 83*C while Core 0 is at 72*C. seems my core temps are spreading the longer I go.

And I don't need to delid, I just want to. I didn't need a full custom water loop for my first system, I just wanted to. Why I love this site so much, it's all about The pursuit of performance. thumb.gif

Just trying to gauge if this is a keeper chip or if I should drive the 70minutes back to Microcenter and roll the dice again.
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