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Unlocking Sempron 140 Socket AM3

post #1 of 18
Thread Starter 
I have read that the AMD Sempron 140 @ 2.7Ghz can be unlocked to enable the second core. Is it possible to this on my AsRock K10N78 motherboard? If yes, please help me how to unlock it.
Thanks in advance!
post #2 of 18
Not all Sempron 140 can unlock. And no, your motherboard cannot unlock.
     
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post #3 of 18
No that board will not do it. You need an AMD chipset (SB710 or higher) or an Nvidia 780a, 750a, 730a, or 720a chipset. Yours has a nForce 630a, so no unlocking for that board .
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post #4 of 18
Sempron 140's are made from Athlon II x2 4400e with a core disabled. From my understanding either it's a Athlon II x2 that has a defective core or when demand is high they disable the 2nd core and sell it as a sempron. Depends on the batch and boils down to luck. I was able to unlock my Sempron and boot into windows 7 but it's not stable.
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post #5 of 18
Quote:
Originally Posted by xidious View Post
Sempron 140's are made from Athlon II x2 4400e with a core disabled. From my understanding either it's a Athlon II x2 that has a defective core or when demand is high they disable the 2nd core and sell it as a sempron. Depends on the batch and boils down to luck. I was able to unlock my Sempron and boot into windows 7 but it's not stable.
Very true, but the OP's motherboard is not capable of unlocking the disabled cores...since he's got an NForce 630a chipset.
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post #6 of 18
i have an unlockable 140 sitting on the desk infront of me

Quote:
Originally Posted by xidious View Post
Sempron 140's are made from Athlon II x2 4400e with a core disabled.
they are regor core chips with a bad core there is no such thing as a 4400e its just a bug in the naming when you unlock a cpu
Edited by redhat_ownage - 6/8/10 at 12:48am
post #7 of 18
Thread Starter 
Thanks for all the quick replies. The motherboard is AsRock K10N78m to be exact. And i'm hoping that a BIOS update can enable the unlocking.
post #8 of 18
Quote:
Originally Posted by nerdtron09 View Post
Thanks for all the quick replies. The motherboard is AsRock K10N78m to be exact. And i'm hoping that a BIOS update can enable the unlocking.
No, a BIOS mod WILL NOT enable unlocking. Your board FLAT OUT WILL NOT support it. It has a 630a chipset, and the MINIMUM by Nvidia chipsets is the 720a chipset. It's more common to use the AMD chipsets to unlock though (SB750 is quite common).
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post #9 of 18
Thread Starter 
How sad...
Guess I'm stuck with just overclocking it.
Thanks for your replies.
post #10 of 18
Quote:
Originally Posted by pioneerisloud View Post
No that board will not do it. You need an AMD chipset (SB710 or higher) or an Nvidia 780a, 750a, 730a, or 720a chipset. Yours has a nForce 630a, so no unlocking for that board .
Don't you read??? A BIOS update does nothing for unlocking, your mobo chipset isn't capable for unlock cores.

And not all boards can unlock cores, as well as it has to have those chipsets pioneerisloud said, if the board hasn't in the BIOS options ACC for AMD chipsets or NCC for nVidia chipsets, they can't unlock cores neither...
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