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post #2681 of 10701
Quote:
Originally Posted by donkrx;14576805 
Wise words thumb.gif (the whole thing not just the part I quoted lol)

I was just looking at the table and its weird that there's very highly correlated trends ...... for example, the first and last core for every entry are the lowest (usually its the first thats the lowest, but sometimes its the 4th core) by 6-9C, and they agree very closely.

Similarly, everyone's 2nd & 3rd core seem to be the highest, and they also agree very closely to each other. Odd. I don't know if this is normal or not, but just felt like I'd mention it and see what ppl say.

I'm glad you pointed that out, I was wondering if that was normal as mine does the exact same thing. I'll also say that one of the reasons I suspected a bad chip is that core 1 was usually 15c or even more cooler under load. That just seemed like an odd behavior to me, and with you pointing this out, makes me think that temp differences that far outside the norm are a good sign of something wrong.
post #2682 of 10701
Success! Here is my stable 4.8 plus bios screens. I didn't want to go higher as the temps weren't to my liking. I'm also wondering, would it be of any value to put batch numbers in the ss? (Mine's 3102c46).

Stable screenie
JUmlU.png


Bios pics
q46xe.png
wKpzj.png
RgD45.png
0xPZE.png
Edited by fuloran1 - 8/14/11 at 11:11am
post #2683 of 10701
Right on fuloran, good stuff! Your volts are nice thumb.gif
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post #2684 of 10701
Thread Starter 
Quote:
Originally Posted by fuloran1;14578562 
Success! Here is my stable 4.8 plus bios screens. I didn't want to go higher as the temps weren't to my liking. I'm also wondering, would it be of any value to put batch numbers in the ss? (Mine's 3102c46).

That's pretty good, im glad that you've finally got a chip that overclock's well!!! UPDATED thumb.gif by the way care to edit the post and just add the bios pics in your post, would be better that way.

As far as batch number, well if you wan't to, it's been known for quite some time that batch number with sandy doesn't mean anything, it's the luck of the draw.

Anyways nice overclock, your old one will still be there in the old entries section.
Edited by munaim1 - 8/14/11 at 11:11am
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post #2685 of 10701
Quote:
Originally Posted by munaim1;14580387 
That's pretty good, im glad that you've finally got a chip that overclock's well!!! UPDATED thumb.gif by the way care to edit the post and just add the bios pics in your post, would be better that way.

As far as batch number, well if you wan't to, it's been known for quite some time that batch number with sandy doesn't mean anything, it's the luck of the draw.

Anyways nice overclock, your old one will still be there in the old entries section.

Edited, thanks man! And thanks CloudX! Big relief here!
post #2686 of 10701
Thread Starter 
Quote:
Originally Posted by fuloran1;14580445 
Edited, thanks man! And thanks CloudX! Big relief here!

No worries bud, that's what im here for tongue.gif

You've gone up in the table eek.gif have a look at your old ss and then your new one!!



Well done biggrin.gif
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post #2687 of 10701
Hi all, I'm new to the forum and am interested in this Sandy stable club. I have a question about acceptable voltages. The max voltage I see in the list is 1.488. Is this the agreed upon maximum? I'm asking because I believe I can do it at 5Ghz but my voltage is going to be 1.512 to 1.520. Let me know what you think. Thanks in advance.
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post #2688 of 10701
fuloran nice work, you deserve it. Edit: Just my opinion but I think you could go higher overclock because Prime is a lot hotter temps than real apps / games - you'll be ~63-67c in normal use with your settings, and tjmax for the chip is a whopping 98c, so that is 33c of room. I could be wrong here but I just feel like being 20c under the max is plenty - even more so if you don't use your CPU 100% 24/7 like with folding. Also, if you're worried about hurting the CPU, you could switch to offset voltage so you're not at 1.4v 24/7. I really like that feature and it probably increases life cycle by a lot.

===

So I ran Prime small FFT for 2 hours on 5.0ghz, 1.48v... great temps again... I switch over to a blend test and in 4 minutes I got a bsod 0x124. Sigh.

I tried changing CPU PLL as suggested here, also bumped VTT to 1.1, but I kept failing Prime blend in 4 minutes regardless. Seeing as I was at 1.48v with spikes in the 1.51v range I just don't feel its a great idea to pursue it any further even if my cooling is acceptable. Amazing how far you can go without water cooling on this chip.

I'm now testing at 4.9ghz, 7.5+ hours in so far with 6gb RAM so that's great, I will take it. I won't be using this run for the club though because I've been messing around with RealTemp at various points in the test.
Quote:
Originally Posted by Oggodatank;14582998 
Hi all, I'm new to the forum and am interested in this Sandy stable club. I have a question about acceptable voltages. The max voltage I see in the list is 1.488. Is this the agreed upon maximum? I'm asking because I believe I can do it at 5Ghz but my voltage is going to be 1.512 to 1.520. Let me know what you think. Thanks in advance.

Check out the OP:
Quote:
Originally Posted by munaim1 
No one is absolutely certain of what the safe vcore is for the new sandybridge chips. What I can tell you is that many say the max safe vcore for these chips are 1.3 region, however, intel states that the max 'VID' is 1.52 and many say that around 1.4 if your on air and 1.45 should be the max if your running water cooling. Personally I will not go above 1.5v for 24/7 with these chip but that is totally upto you. The main thing to understand is that 'YOU' have to come up with the conclusion of what the max is. That way no one is blamed if the chip degrades (none reported so far, even with so called 'high 1.4+ vcore')

Edited by donkrx - 8/14/11 at 5:39pm
    
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post #2689 of 10701
Thread Starter 
Quote:
Originally Posted by Oggodatank;14582998 
Hi all, I'm new to the forum and am interested in this Sandy stable club. I have a question about acceptable voltages. The max voltage I see in the list is 1.488. Is this the agreed upon maximum? I'm asking because I believe I can do it at 5Ghz but my voltage is going to be 1.512 to 1.520. Let me know what you think. Thanks in advance.

Quote:
Originally Posted by munaim1;12772076 
**This thread is not for discussing safe voltages for sandybridge, we have had enough of those mad.gif
so please refer to the IMPORTANT NOTICES & TIPS section in the OP for more info**



No one is absolutely certain of what the safe vcore is for the new sandybridge chips. What I can tell you is that many say the max safe vcore for these chips are 1.3 region, however, intel states that the max 'VID' is 1.52 and many say that around 1.4 if your on air and 1.45 should be the max if your running water cooling. Personally I will not go above 1.5v for 24/7 with these chip but that is totally upto you. The main thing to understand is that 'YOU' have to come up with the conclusion of what the max is. That way no one is blamed if the chip degrades (none reported so far, even with so called 'high 1.4+ vcore')

Please remember that not all chips are the same, some can do high overclocks with low voltage some cannot as you can see in this this thread and many others.

Regarding temps, CPU throttles at around 95c, some say keeping it below 85c is good, some say keeping it below 80 is better, other's say below 75c is really good and there are quite a few that say 70c should be the max. Which ever one your comfortable with and if you have substantial cooling, YOU DECIDE YOUR MAX, just remember it throttles at around 95c. If for example you hit 85c in stress testing then in everday usage it shouldn't be higher than 75c which I think is fine, I personally like to keep mine below 70c biggrin.gif


Welcome to OCN by the way biggrin.gif
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post #2690 of 10701
Thanks for the quick replies, they both answered my question. I look forward to joining the club.
Edited by Oggodatank - 8/14/11 at 5:09pm
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