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Opty 165 Highest Safe Voltage

post #1 of 18
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What's the highest vcore I should go to on air with the Opty 165?
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post #2 of 18
Id have to say 1.55 vcore, maybe 1.6 short term. I'm half tempted to push mine up to 1.65 and see how I do, but I'm gonna have to wait until I get a backup CPU just in case....
    
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post #3 of 18
just keep your temps really low. around 55c. it doesn't matter how much voltage you really put to it as long as it stays cool.
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post #4 of 18
Thread Starter 
Quote:
Originally Posted by mudd View Post
just keep your temps really low. around 55c. it doesn't matter how much voltage you really put to it as long as it stays cool.
I know that to be untrue. The MOSFETs can only handle so much voltage.
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post #5 of 18
Quote:
Originally Posted by amped View Post
I know that to be untrue. The MOSFETs can only handle so much voltage.
i've given my old 3500+ 1.68v on air.......... way more than it really needs to overclock.

plus when you start doing more extreme overclocking you really put the juice to it....... talking volt modding your board for 1.7+vcore
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post #6 of 18
you're mad mudd...
post #7 of 18
Wow Yea my 3200 Overclocked on my stock lapped cooler with AS5 never go's above 50 Thats on 1.55 voltz

My board dos max 1.55 is there a mod to fix this cause im picking up a opy 165 next week.
    
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post #8 of 18
Quote:
Originally Posted by LyokoHaCk View Post
you're mad mudd...
muhahaahhaaa
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post #9 of 18
Quote:
just keep your temps really low. around 55c. it doesn't matter how much voltage you really put to it as long as it stays cool.
well as a guide line peoples say 1.55v...but yea even though your temps dont go above 55c, pushing really high voltage through your cpu decreases its life dramatically....i mean ive got 1.75v going through my cpu with a BT and the highest it ever sees is 38C..thats not to say that i can pump even more voltage through it like 1.9v or something..even now my cpu life is most likely decreased alot..although ive had it like this nearly a year now...BUT remember im not saying go and set ur vcore to 1.75v...1.55v is the highest people say.
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post #10 of 18
Quote:
Originally Posted by mudd View Post
just keep your temps really low. around 55c. it doesn't matter how much voltage you really put to it as long as it stays cool.
I would have to disagree with you there.

The reason CPU's tend to fail is due to electron migration. Voltage is the flow of electrons from a point of high concentration to a low concentration. As the electrons pass through the CPU core they travel through lanes. As the voltage is increased the force that these electrons have is increased. With increased energy they bombard the pathways slowly etching until they break through the lane and into an adjacent lane causing failure of this section of the core architecture. If this happens sufficiently you get total failure of the CPU. This is electron migration.

The temperature also has a similar effect. With increasing temperature the electrons gain extra momentum giving a similar effect as stated above but also can lead to physical scorching of the core and die.

This is why for instance, sudden northwood death syndrome (SNDS) happens on the older Intel cpus (and others in fact).
You can have great temperatures but if the volts are too high that can kill it also. (I know this from personal experience)

Therefore to summarise it is a combination of voltage and temperature that effect the the lifespan of a CPU.
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