phenom ll 550BE unlocking in to b50

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ovca

Reputable
Sep 19, 2014
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4,510
I can get phenom ll 550BE real cheap.
My question is:
Can every 550BE be unlocked in to b50 (2 more cores = 4cores)?
my mbo is: Gigabyte GA-MA790X-DS4
Do i need better cooler for unlock 2 more cores, or stock should be good?

p.s.- I wouldnt OC, just unlock 2 more cores if it will be possible
 
Solution
Wisecracker
Use the secret Gigabyte handshake to expand your BIOS Menu options, then ...
78g-BIOS--MIT.jpg

enter the Advanced Clock Calibration ('ACC') menu. ACC is supported by the SB710 and the SB750 southbridges -- doubtful support for the SB700 chipset.

Select [Hybrid] EC Firmware, and [All Cores] ACC ...
DSC05074.jpg

Note that you can adjust the ACC on a [Per Core] basis in the future when you wish to further refine the unlocking.

Gigabyte motherboards are bad to over-volt. You should take manual control of your voltages, and you should drop the juice in...
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spdragoo

spdragoo

Splendid
Ambassador
Oct 17, 2011
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No, not every one can unlock the other cores. It's not a matter of cooling, it's a matter of whether the other 2 cores were disabled for marketing purposes, or disabled because the cores were bad. If the cores are bad, you shouldn't even want to unlock them, because your PC will crash. If they're disabled for marketing purposes, you'll need to do a Google search to see if your motherboard has a BIOS update that will allow you to attempt to unlock them...but even then, there's no guarantee that it'll be 100% stable.
 
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O

ovca

Reputable
Sep 19, 2014
15
0
4,510
how many is the chance in % that 550 would unlock to x4, and all cores would be 100% stabile 24/7?
Is this have some rules (code name, nubers of CPU etc) , or is this just about lucky example of cpu?
 
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Wisecracker

Wisecracker

Splendid
Jan 15, 2007
8,106
17
31,965
Use the secret Gigabyte handshake to expand your BIOS Menu options, then ...
78g-BIOS--MIT.jpg

enter the Advanced Clock Calibration ('ACC') menu. ACC is supported by the SB710 and the SB750 southbridges -- doubtful support for the SB700 chipset.

Select [Hybrid] EC Firmware, and [All Cores] ACC ...
DSC05074.jpg

Note that you can adjust the ACC on a [Per Core] basis in the future when you wish to further refine the unlocking.

Gigabyte motherboards are bad to over-volt. You should take manual control of your voltages, and you should drop the juice in -0.0125v increments --- unless you plan to OC in addition to unlocking.

I unlocked a 550BE into a X4 B50 PhII quad while dropping the VCore -0.125v on a Gigabyte 700-series chipset. Ran 1.8v at load with the IMC/NB at 2400MHz. Power at the wall at load dropped from 179w to 128w with the rig under-volted and unlocked.
950be-2400nb-stress-minus-point-125.jpg



edit: For the most part I'd say 3 out of 4 chips will unlock, and likely run quite well in apps that need the additional cores.


 
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