Intel CPU Core Unlocking?

sanjeevsaju · Jun 12, 2014

I have an Intel i3-4130(non K) Haswell CPU and a Gigabyte H81M-S1 motherboard...there is an option in the motherboard to unlock CPU cores?Is it advisable...can I chose 4 cores? does it cause any heat issues or complaint to the motherboard...thanks in advance..

Karsten75 · Jun 12, 2014

yes, unlocking the cores will run it hotter. I thought Intel figured out a way to prevent motherboard manufacturers from exploiting that loophole, though.

Don't do it unless you have some aftermarket cooling and specifically not all cores.

MU_Engineer · Jun 12, 2014

I am pretty darned sure that the only thing that Intel allows to be "unlocked" is that you can set the maximum Turbo clock rate to be the base clock rate on non-K/non-X CPUs. The extra cores and cache are disabled by blowing fuses and are not able to be turned back on. The non-modifiable firmware disabling of HyperThreading, virtualization, encryption, multiplier range, IMC speeds, etc. are also not able to be "unlocked" either.

The only CPUs I am aware of that can be unlocked would be 45 nm AMD Semprons, Phenom II X2s and X3s, and the Phenom II X4s that end with a "T." The Semprons can be unlocked into Athlon II X2s and the Phenom II X2s and X3s can be unlocked into X4s and the Phenom II X4 "Ts" can be unlocked into a six-core unit. That's it.

Pinhedd · Jun 12, 2014

sanjeevsaju :

Nope. These components are locked out at the factory through non-reprogrammable microcode. They cannot be reactivated, at least not without getting one's hands on the same hardware that Intel uses to program them in the first place.

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Intel CPU Core Unlocking?

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