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"tricks" for minimum voltage 1055T

post #1 of 46
Thread Starter 
Just wondering what kind of things you can do to get the minimum stable voltage used by a 1055T.

Obviously you can underclock, but I was wondering about other things:

-shutting down cores: I don't need all 6 anymore now that I have another system, i'll just be gaming mainly on the 1055T. Can you shut down cores and would shutting down 2 allow for lower voltages?

-turning off turbo: since when in use voltages go up I think.

-I probably won't do this part, but am curious: I have heard no L3 cache allows for lower voltages, do some motherboards allow you to turn it off?

is there anything else I'm forgetting that might help?
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post #2 of 46
Well, you can shut down cores to the amount you need, and it will considerably decrease your voltage requirements. At 3 ghz or so you should be able to do 1v-1.1v, and with less cores definitely around 1v or less.
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post #3 of 46
why? just curious.

you should not run a cpu at super low voltages BTW because it can shorten the life of the chip. it actually can speed up electron migration and degrade silicone. good luck.
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post #4 of 46
Not sure about voltage but shutting down cores does lower watts used. 4 cores is crazy low when I done it a while back. If looking to lower V turbo is a no go cause ur going to have to increase V to increase ur frequency and pretty sure u can't turn L3 cache on and off. Might go back into looking into making this a pentacore CPU.
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post #5 of 46
Cooling.
Get a beast cooler and you can actually reduce your minimum stable voltage. Phenom IIs love it cool. Switching from Xiggy DK to NH-D14 gave me a 0.05V lower from 1.475V to 1.425V for min stable volts.

Quote:
you should not run a cpu at super low voltages BTW because it can shorten the life of the chip. it actually can speed up electron migration and degrade silicone. good luck.
I'm not sure about this, but even if it was true I am pretty sure you would have higher degradation at higher voltages. At worst low voltages should cause instability.
post #6 of 46
Check out my 1055T power guide in my signature.
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post #7 of 46
Quote:
Originally Posted by Killam0n View Post
why? just curious.

you should not run a cpu at super low voltages BTW because it can shorten the life of the chip. it actually can speed up electron migration and degrade silicone. good luck.
wrong, with lower voltages cpu will last longer.

electromigration was nightmare for overclockers several years ago. (aluminium interconnects)
today chips are made with copper interconnects.
    
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post #8 of 46
Quote:
Originally Posted by pietro sk View Post
wrong, with lower voltages cpu will last longer.

electromigration was nightmare for overclockers several years ago. (aluminium interconnects)
today chips are made with copper interconnects.
It won't increase the life that much... maybe 10 months extra.... but if the voltage is set too low, it will damage the transistors
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post #9 of 46
If you lower the voltage, the amperage will increase. Thats bad for the MOSFETs, especially for the low quality/phase ones
Edited by IOSEFINI - 5/14/11 at 12:45pm
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post #10 of 46
Thread Starter 
Thanks everyone! and xd grats on mod, can't rep you anymore...
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