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E5200 - Overclocking Thread - Page 129

Poll Results: Should the thread name be changed to E5x00 Overclocking Thread

Poll expired: Jan 24, 2009  
  • 58% (39)
    Yes, Change it to E5x00 Overclocking thread
  • 41% (28)
    No, Lets keep it how it is
67 Total Votes  
post #1281 of 4653
Quote:
Originally Posted by PizzaMan View Post
From seeing how well these things have been handling high voltage. It just seems 1.36 is a little bit low.
1.3625 volt is the max vid voltage according to Intel and shown in the sspec sheet. The max vid voltage is the highest available for market cpu default voltage which might be available from Intel for purchase. It has nothing to do with the highest voltage that the 45nm cpu could endure for an extended period of time. The absolute maximum voltage for the 45nm Penrynn, according to the technical pdf is 1.45volt. The Nehalem's technical document says that 1.55volt is the max for Nehalem.

Now, it's not because the Nehalem is rated at 1.55volt and that Nehalem uses the same process as Penrynn, that Penrynn could endure the same absolute maximum voltage. The transistor design and the organization of them on the die, could permiet the Nehalem to endure more current density.

That said, on air I don't mind going to 1.42 to 1.43 volt, on water I could go to 1.45, an active cooling water 1.5 and on Phase change I wouldn't mind 1.55 for 24/7 operation. I never burnt a cpu, and I always have exceeded Intel recommended voltages, and I keep my cpus working for years. But, I always make sure that my processors exceed tcase, which is 74c for the E5200. Also note that tcase temp (cpu) is 4 or 5 degrees above the temps reported by softwares such as coretemp and realtemp.
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post #1282 of 4653
Quote:
Originally Posted by PizzaMan View Post
From seeing how well these things have been handling high voltage. It just seems 1.36 is a little bit low.
i agree but i have given up trying to tell people that, because in the end it is all just speculation no matter who it comes from.
post #1283 of 4653
Quote:
Originally Posted by {core2duo}werd View Post
i agree but i have given up trying to tell people that, because in the end it is all just speculation no matter who it comes from.
Well, I don't really speculate, I speak of my own experience with Intel cpus. Those who talk about the 1.3625volt limit are concluding that 1.3625 is a hard limit set by Intel, and, that if you go just a little over that your cpu will start to deteriorate.
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post #1284 of 4653
Do I need some serious cooling to get my E5200 to 4 GHz? All I have is a 120mm rear fan that goes at 1200 rpm and a Xigmatek heatsink.
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post #1285 of 4653
For 4ghz, I'm using an OCZ Gladiator MAX, which should be close to your Xigmatek, a 120mm back fan and a 140mm top fan. All of my fans are set to low, they are Antec tri-cool fans.
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post #1286 of 4653
Quote:
Originally Posted by glussier View Post
1.3625 volt is the max vid voltage according to Intel and shown in the sspec sheet. The max vid voltage is the highest available for market cpu default voltage which might be available from Intel for purchase. It has nothing to do with the highest voltage that the 45nm cpu could endure for an extended period of time. The absolute maximum voltage for the 45nm Penrynn, according to the technical pdf is 1.45volt. The Nehalem's technical document says that 1.55volt is the max for Nehalem.
Did Intel ever release any of the Conroes with a VID close to 1.5v?


Quote:
Originally Posted by gentooman View Post
Do I need some serious cooling to get my E5200 to 4 GHz? All I have is a 120mm rear fan that goes at 1200 rpm and a Xigmatek heatsink.
Just depends on the chip.
    
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post #1287 of 4653
Quote:
Did Intel ever release any of the Conroes with a VID close to 1.5v?
No, but the spec was there, just in case they needed-it for 65nm processors.
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post #1288 of 4653
Quote:
Originally Posted by glussier View Post
Well, I don't really speculate, I speak of my own experience with Intel cpus. Those who talk about the 1.3625volt limit are concluding that 1.3625 is a hard limit set by Intel, and, that if you go just a little over that your cpu will start to deteriorate.
and i have heard other say the same thing about 1.3625 being the limit.
post #1289 of 4653
Lets all just volt to the moon and see who dies first.
    
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post #1290 of 4653
Well, my cpu has seen and felt 1.65volt, and is still alive and going strong. I wouldn't do over 1.42 to 1.43 load on air for 24/7 utilization. But, these cpus can take a lot more than what a lot of people say on this forum.

This is an overclocking forum, this is the first forum I see where people keep trying to convince us that these cpus will die if operated above 1.3625. Do a search on the forum for 1.3625 and I'm sure there is going to be thousands of posts coming out of that search.
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