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[Official] The Sandy Stable Club **Guides, Voltages, Temps & BIOS Templates** Inc SPREADSHEET - Page 67

post #661 of 10702
Quote:
Originally Posted by ACHILEE5 View Post
I'm sure the max safe 24/7 volts is more like 1.425v MAX
Lol then you must really have an issue with munaim's 24/7 rofl he's at what was it 1.48v? However I'll humor you. My 4.8 GHz which is also my club entry is 1.415v and the only thing the intel people said was the VID max was 1.5 IIRC.
Generally 4.8GHz stability can be achieved at 1.400 – 1.425 Vcore now with PLL enabled D2 parts exceeding their previous max multiplier the increase in voltage would be 1.425 – 1.450.
That's the only thing I see in there about 1.425v lol.
Quote:
Originally Posted by LethalRise750 View Post
I thought one of the rules for this thread was no more "Max Safe SB Voltage" discussions.
It is
Quote:
Originally Posted by SonofNoob View Post
This was my first attempt at OCing my i5 2500k
but stable at 4.5ghz



*edit* disregard this i just read the rules for posting a 12hr test lol sorry bout that
Good luck
Edited by phazer11 - 4/23/11 at 5:12pm
     
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post #662 of 10702
Thread Starter 
Quote:
Originally Posted by phazer11 View Post
Lol then you must really have an issue with munaim's 24/7 rofl he's at what was it 1.48v?
1.472 actually and it's still running great

Quote:
Originally Posted by LethalRise750 View Post
I thought one of the rules for this thread was no more "Max Safe SB Voltage" discussions.
You are correct so please no discussion's about max safe voltage .
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post #663 of 10702
Quote:
Originally Posted by phazer11 View Post
Lol then you must really have an issue with munaim's 24/7 rofl he's at what was it 1.48v? However I'll humor you. My 4.8 GHz which is also my club entry is 1.415v and the only thing the intel people said was the VID max was 1.5 IIRC.
Generally 4.8GHz stability can be achieved at 1.400 – 1.425 Vcore now with PLL enabled D2 parts exceeding their previous max multiplier the increase in voltage would be 1.425 – 1.450.
That's the only thing I see in there about 1.425v lol.

It is

Good luck
Thank you
And your chip thanks you too

I'll quote the bit

post 18
Juan_Jose ASUS Technical Marketing Specialist, 1.9 Years (The man that wrote the guide )
Quote:
Do you think 1.4V is safe for this CPU? This is a good guide for people looking to overclock.

Yes as noted in my guide. Ideally i would not recommend anything in excess of 1.425 for 24/7 operation while the overall temperature may still allow for additional voltage and even additional frequency scaling i do not think it is worth it.

Hope this helps. Please enjoy the rest of your day.
http://hardforum.com/showpost.php?p=...2&postcount=18
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post #664 of 10702
Redoing mine @ 1.35v this time with push/pull. Full load max@ 64/70/70/67 so far.
post #665 of 10702
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post #666 of 10702
Thread Starter 
Quote:
Originally Posted by John_w View Post
Thanks for the validation
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post #667 of 10702
Thread Starter 
Hey guys thought I'd share my latest submissions on hwbot, forgive the volts Im sure you can understand, I thought I'd see how far I can push this chip. Hope you enjoy my suicide run

Fastest Superpi 1mb 5654mhz:


Fastest Superpi 32m 5550mhz:

Edited by munaim1 - 7/17/11 at 3:50pm
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post #668 of 10702
Been working on this club, I will join here hopefully by tomorrow.
    
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post #669 of 10702
Dang, munaim1 that's one crazy high OC lol. Nice !
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post #670 of 10702
Nice SuperPI times, munaim!

I would really like to join the club here, but getting my system 12hr P95 stable is a lot harder than I thought!

My chip isn't the best, since it seems I will need at least 1.43v to be super-stable at 4.8... but, can I really complain about having a 4.8GHz computer, even if its a bit hot? lol, no, I don't think so Running at 4.7 requires much, much less voltage and has far lower temps, but 4.8 is the magic number for me, so I am going to shoot for it no matter what.

Fortunately, even with these 1.42+ voltages my temps are kept under control with the great Noctua NH-D14, as well as some Slip Stream 140s & CM R4s that were added to my HAF 932. With the 1.43 or 1.44v that it will probably require, it looks like my maximum temps will be around 68-74-75-71 @ 23C ambient. Not too bad for such a high voltage on air!

My current setup is running High LLC with a .105 Offset voltage, but this just isn't good enough.. I can do maybe 3 hours of Prime95, but that's it. These settings give me a 1.424v under max load with P95. If I raise this a little bit, the voltages when running LinX get really out of control, something like 1.456-1.468, while P95 is just 1.432 or maybe 1.44. It seems that using anything more than a Medium LLC and an Offset voltage doesn't work so well if you care about LinX.

So, I'll be using Medium LLC + Offset voltage to try to achieve my 12hr stability. This config doesn't cause these massive voltage differences when running P95 or LinX.. they stay about the same. As for a Manual voltage, I have had no better results with it, and in fact they were worse. I had to use Ultra High LLC to eliminate vdroop, but it didn't matter, even taking it up to 1.43 or 1.44v simply wasn't as stable, and was hotter when compared with Medium LLC + Offset voltage.

If anyone has some suggestions for me I would greatly appreciate it.. I have tried soo many different settings, and I just can't seem to get fully stable under 1.43v. I've tried hundreds of combinations of LLC/CPU Manual & Offset voltages, different VRM freqs, PLL from 1.71 up to 1.85, disabling Spread Spectrum/C3/C6/etc, you name it. As for RAM, most of the time I've been taking it up to 8-8-8-21-1T, but I think for now it will remain at stock 9-9-9-24-2T. I have had a few problems with RAM, but they mainly occurred when upping my RAM voltage and going for 1866 (when in fact it wasn't necessary, I can run 1866 @ 1.5V, but the VCCIO must be 1.1 instead of 1.05)

I can achieve 4.7 GHz with about 0.05v less CPU voltage and -10C to the temps... but this seems like "settling for less". I didn't buy this NH-D14 to settle for less! I want as much as I can get while staying under 75C in P95. Maybe I can add even more fans, and try some MX-3 or Shin Etsu and try for 4.9 or 5.0 later. Right now I am just using some Xigmatek PTI4512 TIM that I got for free from Newegg, I used up all my other good stuff.. it actually works pretty well, though.

Well this is quite long, and I will be surprised if someone took the time to read this whole thing, haha. If you have a chip that seems to need more voltage than the others, and you're running 4.8+GHz on a P8P67, it sure would be great if you could post your settings! I have basically run out of ideas over here.

Anyway, I look forward to joining the group soon!
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