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== Haswell-E Overclock Leaderboard & Owners Club == - Page 2000

post #19991 of 22233
Quote:
Originally Posted by mus1mus View Post

lol. yeah. That sample proved lapping helping temps. Gained around ~300 MHz or a reduction of about 20C on the cores. That is an FX chip though. thumb.gif

My FX was the exact opposite. Crazy how different IHS can be. It almost doesn't even make sense. No consistency.
post #19992 of 22233
Quote:
Originally Posted by nexxusty View Post

My FX was the exact opposite. Crazy how different IHS can be. It almost doesn't even make sense. No consistency.

Well, I think these lids are stamped metals or forged rather than machined. And there, imperfections on manufacturing errors occur.
post #19993 of 22233
Quote:
Originally Posted by nexxusty View Post

No. The Vcore voltage won't affect cache OC at all. Just make sure to max the CPU clock first then the uncore then the RAM.

Best practice IMO.

So, i managed to lower vcore down to 1.11v and going stable through 4.0ghz... No vdroop or whatsoever... Currently on a 30 minutes run of RealBench to test temps and stability
     
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post #19994 of 22233
Quote:
Originally Posted by mus1mus View Post

Well, I think these lids are stamped metals or forged rather than machined. And there, imperfections on manufacturing errors occur.

Ahhh, I did not know this. Makes sense.
Quote:
Originally Posted by shampoo911 View Post

So, i managed to lower vcore down to 1.11v and going stable through 4.0ghz... No vdroop or whatsoever... Currently on a 30 minutes run of RealBench to test temps and stability

Haha that's super low. My 5930k comes at 1.093 vid stock.

Much better chip you seem to have there.
post #19995 of 22233
Quote:
Originally Posted by nexxusty View Post

Ahhh, I did not know this. Makes sense.
Haha that's super low. My 5930k comes at 1.093 vid stock.

Much better chip you seem to have there.

I hope so... I still think that 1.1906v on the cache is a bit high...

Btw. I have LLC on 9... Any impact on vcore?
     
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post #19996 of 22233
Quote:
Originally Posted by shampoo911 View Post

I hope so... I still think that 1.1906v on the cache is a bit high...

Btw. I have LLC on 9... Any impact on vcore?

I would not be the guy to ask about LLC. I haven't used it since LGA 775.

It's on by default on Asus boards, however I don't manipulate the settings. I think the higher levels of LLC actually add vCORE. I'm sure someone will correct me if I am incorrect that subject.

@Jpmboy could most likely tell you. I've seen him talking about LLC.
post #19997 of 22233
Quote:
Originally Posted by nexxusty View Post

I would not be the guy to ask about LLC. I haven't used it since LGA 775.

It's on by default on Asus boards, however I don't manipulate the settings.

@Jpmboy could most likely tell you. I've seen him talking about LLC.

It is a bit sketchy that LLC thingy... Still, im aiming for 4.3ghz on the absolute minimum...
     
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post #19998 of 22233
Quote:
Originally Posted by shampoo911 View Post

It is a bit sketchy that LLC thingy... Still, im aiming for 4.3ghz on the absolute minimum...

Well... back in the LGA 775 days, LLC was apparently bad for your CPU as people (many people) witnessed spikes of voltage in the millisecond range. Big spikes, like 1.9v. That high, I seem to remember 2.3v being thrown around.

Anyway... this was because the circuitry of the time just couldn't keep a constant voltage to the cpu at ALL times. Again, the issue was in the millisecond range.

I do not know how or if this has changed today. I'm sure we have much better VRM's and FET's than 2006 so... maybe someone else can verify that LLC is perfectly safe now. I cannot.
post #19999 of 22233
Quote:
Originally Posted by nexxusty View Post

Well... back in the LGA 775 days, LLC was apparently bad for your CPU as people (many people) witnessed spikes of voltage in the millisecond range. Big spikes, like 1.9v. That high, I seem to remember 2.3v being thrown around.

Anyway... this was because the circuitry of the time just couldn't keep a constant voltage to the cpu at ALL times. Again, the issue was in the millisecond range.

I do not know how or if this has changed today. I'm sure we have much better VRM's and FET's than 2006 so... maybe someone else can verify that LLC is perfectly safe now. I cannot.
We can thank Anandtech for the fearmongering here. Yes, theoretically it could damage a CPU, but I ran LLC on full on several CPUs and saw no issues, as long as you used LLC correctly. The figure cited at 1.6v.
Here's the article in question:
http://www.anandtech.com/show/2404/5

They do allude to possible damage, but the focus of the article was related to instability caused by using LLC.

Just like anything related to overclocking, on was better for some and off was better for others. It really depended on the particular chip.
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post #20000 of 22233
Quote:
Originally Posted by zoson View Post

We can thank Anandtech for the fearmongering here. Yes, theoretically it could damage a CPU, but I ran LLC on full on several CPUs and saw no issues, as long as you used LLC correctly. The figure cited at 1.6v.
Here's the article in question:
http://www.anandtech.com/show/2404/5

They do allude to possible damage, but the focus of the article was related to instability caused by using LLC.

Just like anything related to overclocking, on was better for some and off was better for others. It really depended on the particular chip.

That'd be the exact article. Thanks for elaborating zoson. It'd been so long the deets were a bit hazy. It's a good read nonetheless.

You been busy man? What have you been up to?
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