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1 Prime95 error. (2500K @ 4.5ghz 1.64v) - Page 5

post #41 of 55
Thread Starter 
But it's on and running P64 right now with 1.4v. Does that mean it's not fried?
post #42 of 55
guys slow down. he made a mistake, his vcore is not running 1.6, he mistook it for the dram value.
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post #43 of 55
Thread Starter 
Quote:
Originally Posted by munaim1 View Post
guys slow down. he made a mistake, his vcore is not running 1.6, he mistook it for the dram value.
It sounds strange but I set my DRAM and my vcore to the same thing.

But could it not be damaged, not fried since it still is running okay so far.
post #44 of 55
holy crap, turn your volts down now! i wouldnt go past 1.45 ever on that chip. try turning your ich volts up to get a stable clock
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post #45 of 55
Quote:
Originally Posted by topog_z View Post
turn it down now!
this
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post #46 of 55
Thread Starter 
Quote:
Originally Posted by firebirdjimbo View Post
holy crap, turn your volts down now! i wouldnt go past 1.45 ever on that chip. try turning your ich volts up to get a stable clock
Right now it's at 1.4v =)

--Does anybody know a way to tell if it's damaged-- Still good on P64
post #47 of 55
Most likely, his CPU was NOT running at 1.6v while it was under prime load.

If he had it at 1.6v in the BIOS, if he was SMART AND DID NOT ENABLE LOADLINE CALIBRATION or Vdroop control, then that 1.6v would have had at LEAST a 0.1v droop (vdroop increases the higher the voltage is, since it's a percentage), so his CPU was probably running at about 1.5v during Prime, or 1.48v, and maybe 1.57v at idle.

However, if he was using Loadline calibration with a BIOS setting of 1.6v, and even worse, LLC set to extreme or LLC2, then that chip's history....hello 1.64v load (Nuclear launch detected).

So...the CPU is running at 4.5 ghz and 1.3v vcore, RIGHT NOW, then?
And stable? Yes?

If yes, then it probably saw no more than 1.48v under load. Vdroop saved your ass. (and now you guys know what vdroop is for!!)

The CPU temps he posted gave that away. If he were running 1.6v at load, even water cooling can't keep the CPU under 67C under prime...it's impossible without chilled water or colder.
Edited by Falkentyne - 3/30/11 at 7:52pm
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post #48 of 55
Thread Starter 
Quote:
Originally Posted by Falkentyne View Post
Most likely, his CPU was NOT running at 1.6v while it was under prime load.

If he had it at 1.6v in the BIOS, if he was SMART AND DID NOT ENABLE LOADLINE CALIBRATION or Vdroop control, then that 1.6v would have had at LEAST a 0.1v droop (vdroop increases the higher the voltage is, since it's a percentage), so his CPU was probably running at about 1.5v during Prime, or 1.48v, and maybe 1.57v at idle.

However, if he was using Loadline calibration with a BIOS setting of 1.6v, and even worse, LLC set to extreme or LLC2, then that chip's history....hello 1.64v load (Nuclear launch detected).

So...the CPU is running at 4.5 ghz and 1.3v vcore, RIGHT NOW, then?
And stable? Yes?



If yes, then it probably saw no more than 1.48v under load. Vdroop saved your ass. (and now you guys know what vdroop is for!!)

The CPU temps he posted gave that away. If he were running 1.6v at load, even water cooling can't keep the CPU under 67C under prime...it's impossible without chilled water or colder.
If Loadline calibration is stock disabled then it's still disabled Now that makes sense. Thanks for clearing that up.

Does Loadline Calibration counteract vdroop or something?
post #49 of 55
Yes. Vdroop is also known as a "loadline slope." Loadline is mentioned in Intel's tech documents. And the whole point of it is to preserve longevity and lessen power usage.

Loadline "Calibration" lets you counter some, most or all of the effects of vdroop, and most overclockers use LLC to avoid having to set an extremely high BIOS voltage/Idle voltage, in order for the CPU to be stable at load, where the vcore will drop. Just be *Censored* lucky that you did NOT have LLC enabled during that messup or that CPU would have degraded to who knows what point. Now I'm not sure how dangerous an idle high vcore is, but it's probably safer to have an higher idle vcore and have the vcore drop at load, than to have a low idle vcore, and have the vcore RISE at load (reverse droop, usually by very high LLC setting), although I don't think anyone has actually tested that. (If someone ever donates a CPU to me, I'll be glad to test it
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post #50 of 55
Quote:
Originally Posted by Yishair View Post
1.4v
You should turn that down too.
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