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[Official] The Sandy Stable Club **Guides, Voltages, Temps & BIOS Templates** Inc SPREADSHEET - Page 401

post #4001 of 10702
Thread Starter 
Quote:
Originally Posted by Zilex View Post
Would 50 runs of IBT maximum be considered stable?
Not really because it has been proved that Prime95 blend test with 90% available RAM is the ultimate test for Sandybridge.

EDIT

400 pages What an accomplishment
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post #4002 of 10702
@ munaim1

Scholar and a Gent!!! :-)

@ Zilex

I've been told that using this for 50 runs will find even the slightest of instability... How true that is I'm not sure:

http://gigaflopd.com/downloads/linx/
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post #4003 of 10702
Quote:
Originally Posted by munaim1 View Post
Not really because it has been proved that Prime95 blend test with 90% available RAM is the ultimate test for Sandybridge.

EDIT

400 pages What an accomplishment
Well IDK idk then because I can pass 1344 and 1792 tests with 90% of my ram but If I run blend it fails after a couple of hours.And I have yet to bsod while gaming.
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post #4004 of 10702
Thread Starter 
Quote:
Originally Posted by Extr3me_Rob View Post

I've been told that using this for 50 runs will find even the slightest of instability... How true that is I'm not sure:

http://gigaflopd.com/downloads/linx/
I always recommend prime because nothing will stress the cpu more than prime so no real reason to run LinX / IBT. Only thing disturbing about it is the fact that it generates crazy temps in which people start recommending and thinking that their cooling is not enough, which annoy's the hell out of me. If nothing will strees the cpu or increase the temps like prime95 then why would someone run IBT or LinX and use that to test stability?

Fair enough it's a decent stability tester, but people seem to forget that with stability testing comes temperature readings at full load aswell and if something generates heat over 10c more than prime, then it's crap imho.

Don't believe me, read this and you'll see what temps people have got: http://www.overclock.net/intel-cpus/...-2-prizes.html


Quote:
Originally Posted by Zilex View Post
Well IDK idk then because I can pass 1344 and 1792 tests with 90% of my ram but If I run blend it fails after a couple of hours.And I have yet to bsod while gaming.
I have said that the 1344 and 1792 are NOT reliable, meaning if you pass those then it doesn't mean that it will pass a 12hour blend. People are putting too much emphasis on those FFT's. The objective is to pass 12hours atleast, not passing just those FFT's seperatly.
Edited by munaim1 - 9/20/11 at 1:08pm
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post #4005 of 10702
Quote:
Originally Posted by munaim1 View Post
I always recommend prime because nothing will stress the cpu more than prime so no real reason to run LinX / IBT. Only thing disturbing about it is the fact that it generates crazy temps in which people start recommending and thinking that their cooling is not enough, which annoy's the hell out of me. If nothing will strees the cpu or increase the temps like prime95 then why would someone run IBT or LinX and use that to test stability?

Fair enough it's a decent stability tester, but people seem to forget that with stability testing comes temperature readings at full load aswell and if something generates heat over 10c more than prime, then it's crap imho.

Don't believe me, read this and you'll see what temps people have got: http://www.overclock.net/intel-cpus/...-2-prizes.html




I have said that the 1344 and 1792 are NOT reliable, meaning if you pass those then it doesn't mean that it will pass a 12hour blend. People are putting too much emphasis on those FFT's. The objective is to pass 12hours atleast, not passing just those FFT's seperatly.
I have read that if you pass IBT and fail prime blend its most likely your VTT voltage or dram voltage being wrong.
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post #4006 of 10702
Thread Starter 
Quote:
Originally Posted by Zilex View Post
I have read that if you pass IBT and fail prime blend its most likely your VTT voltage or dram voltage being wrong.
could be, as prime blend is a combination of cpu and memry testing.
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post #4007 of 10702
Right, I've decided that I want to stay at 4.5GHz (partly because my previous 4.7GHz magically became unstable, I guess due to burn-in) so how should I go about fine-tuning it?

Obviously, I want to use the least power possible whilst still keeping the performance good, and I want to prolong the life of my components as much as possible.

Then, after I've tweaked all the settings etc. I shall do the 12 hour Blend test.

Oh, and I'm not entirely sure that this is the lowest stable voltage for 4.5GHz. Do I need to determine the lowest voltage before I switch to offset?
post #4008 of 10702
Thread Starter 
Quote:
Originally Posted by Ellis View Post
Right, I've decided that I want to stay at 4.5GHz (partly because my previous 4.7GHz magically became unstable, I guess due to burn-in) so how should I go about fine-tuning it?

Obviously, I want to use the least power possible whilst still keeping the performance good, and I want to prolong the life of my components as much as possible.

Then, after I've tweaked all the settings etc. I shall do the 12 hour Blend test.

Oh, and I'm not entirely sure that this is the lowest stable voltage for 4.5GHz. Do I need to determine the lowest voltage before I switch to offset?
I would have thought that you worked your way up rather than down lol

Offset votlage with C1E and Speedstep enabled should do the trick, it will drop your multiplier and your voltage when it's is idling or has a light load.

Anyways you could change to offset now then just start reducing the vcore as you go along or just stick with manual for now, up to you.
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post #4009 of 10702
Quote:
Originally Posted by munaim1 View Post
I would have thought that you worked your way up rather than down lol

Offset votlage with C1E and Speedstep enabled should do the trick, it will drop your multiplier and your voltage when it's is idling or has a light load.

Anyways you could change to offset now then just start reducing the vcore as you go along or just stick with manual for now, up to you.
Yeah, I was doing so, but then my 4.7GHz overclock became unstable with 1.36V, and it was already breaching the temperature limits I had set, so I decided against going higher. Who knows, I might overclock more in the future.

How do I go about using offset voltage though? As in, what do I set the offset to?

Also, do I need to disable C3 and C6?
post #4010 of 10702
Instead of starting a new thread I figured I would ask here. I just overclocked my cpu to 4 ghz and have a question about vcore. My vcore with the 4ghz varies between 1.176 and 1.184. Is this good/bad? I am looking at other peoples rigs and threads and they have a much higher vcore. Also do you want a fixed vcore or do you want to offset it? Sorry for all of the questions it is my first time overclocking a cpu.
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