AMD Phenom II CPU multiplier unlock, Vcore unlock and fourth core unlocking

Unlock an inexpensive AMD Phenom II 710 X3 CPU with 3 cores and multi lock to an
AMD Phenom II X4 Engineering Sample with 4 cores, Vcore selection and unlocked multi !

 

Introduction ...

It is already well-known that one can unlock the fourth core of a triple core AMD Phenom II CPU.
But during a test of the current ASRock A790GXH/128M motherboard at ocinside.de it was possible to unlock much more than this and that is no April joke.
The AMD Phenom II 710 X3 CPU became an Engineering Sample with four CPU cores, unlocked Vcore selection and unlocked multiplier !
All necessary BIOS settings for this mod are described in the following AMD Phenom II CPU unlock guide.

 

The original AMD Phenom II 710 X3 CPU locked multiplier and Vcore limitation ...

Start the PC with original CPU settings and without any overclocking after the CPU installation.
The start page of the ASRock A790GXH/128M motherboard BIOS shows the AMD Phenom II 710 HDX710WFK3DGI processor with three cores.
The AMD Phenom II 710 processor is clocked by default per CPU core with 2600 MHz, total 384KB L1 cache,
total 1536KB L2 cache and shared 6144KB L3 cache size.
The following picture of the BIOS shows the Main BIOS (sorry for the Moirée effect on the monitor photos) ...

 

BSP Only BIOS option allocates the L3 Cache to the first CPU core ...

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