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-   -   phenom 2 x2 550 be (http://www.hardwarecanucks.com/forum/cpus-motherboards/38795-phenom-2-x2-550-a.html)

bOse December 11, 2010 02:14 AM

phenom 2 x2 550 be
 
I recently bought an AMD Phenom 2 x2 550 BE, my motherboard is a gigabyte ga-770t-ud3 and 2 gigs of ram ddr3, i tried to unlock the other 2 cores of my processor . When it boots win7 i get a BSOD with : irql_not_less_or_equal .

After i block core number 3 and unlock ther other ones ( x3 ) windows boots up and everything works ok . The question is, how can i unlock the other core ?

I have to mention the fact that i have connected only a 4x pin cable onto it + 24x pin . ( it requires a 24 pin + 8 pin )

_dangtx_ December 11, 2010 02:21 AM

howdy and welcome


list all your computer specs plz.

you may need to play with the aac thingie(+ -), and of course perhaps give it more juice.

bOse December 11, 2010 02:26 AM

Quote:

Originally Posted by _dangtx_ (Post 460818)
howdy and welcome


list all your computer specs plz.

you may need to play with the aac thingie(+ -), and of course perhaps give it more juice.


Thank you for the warm welcome and for the fast reply .

Specs :

MOBO : Gigabyte GA-MA770T-UD3

GIGABYTE - Motherboard - Socket AM3 - GA-MA770T-UD3 (rev. 1.5)

Ram : Kingmax DDR 3 1600 MHZ

KINGMAX Technology Inc.

Video : Nvidia GF 9600 gt

PSU : 550 W

And finally the processor :

Amd phenom 2 x2 550 BE 3.1 ghz .

_dangtx_ December 11, 2010 01:26 PM

what brand is the power supply?

its possible that one core is defect or requires a lot of voltage to work along with the others. increase voltage a little bit and try again. in the aac window you should also have some options

LarkStarr December 11, 2010 03:16 PM

long story short: the core is most likely defective, you probably wont be able to get it running properly

punk_zappa December 11, 2010 03:37 PM

Quote:

Originally Posted by LarkStarr (Post 461016)
long story short: the core is most likely defective, you probably wont be able to get it running properly

+1.

Not all 550BE can be unlocked to quad and some can only do 3 cores and most cannot be unlocked at all. Play around with your tri-core and see if you will have any problems in the next few days.

scout December 11, 2010 08:11 PM

power
 
you should connect 8 pins as required by your motherboard

Perineum December 11, 2010 09:30 PM

In most cases unlocking the core absolutely requires additional voltage. Take a look at this previous post: http://www.hardwarecanucks.com/forum...tml#post312650

I would like to add that a few posts down after following my advice he *did* get it working... :thumb:

bOse December 12, 2010 02:32 AM

Quote:

Originally Posted by Perineum (Post 461140)
In most cases unlocking the core absolutely requires additional voltage. Take a look at this previous post: http://www.hardwarecanucks.com/forum...tml#post312650

I would like to add that a few posts down after following my advice he *did* get it working... :thumb:

I upped the voltage to 1.5, when i boots up i receive a black screen with lots of white vertical lines . Only solution is a restart . And I was hoping my core wasn't defective .

Galcobar December 12, 2010 03:29 AM

There's a reason why chips built with four cores are being sold as two- or three-core processors.


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