I've researched on this processor and it's possible to unlock the two extra cores. However, the board you need must support ACC (Advanced Clock Calibration) in the BIOS. The northbridge must be 790GX chipset, and a southbridge of SB750.
Now the problem is this; I recently bought a ECS A790GXM-AD3 and i haven't tested it. I've read some blogs that it doesn't have ACC and that it's not possible. but when I checked the ECS website it said:
"To meet hardcore overclockers’ requirements, the latest exclusive BIOS utility, M.I.B. II, is included to provide various detailed tweaking options. Paired with AMD SB750 south bridge controller supporting the function of ACC (Advanced Clock Calibration), ECS A790GXM-AD3 allows users to push the overall system performance to another higher scale."
So, which is which guys? Does it have ACC support or not. Thx.
If it does support the ACC then I'm buying the AMD PHENOM II X2 550BE and i'll test if it really can unlock. Hopefully the extra two cores are not defective.
Results 1 to 10 of 34
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03-22-2010, 04:14 PM #1C.I.A.
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Unlocking the 4th core in Phenom II X2 550 BE
Last edited by blizzaga4; 03-22-2010 at 04:45 PM.
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03-22-2010, 05:25 PM #2C.I.A.
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ACC is required but for the new AMD chipsets, gitang-tang na ang ACC sa bios. its up to the manufacturer to implement and piss-off (no pun intended
) AMD by including this:
so far, asus palang ang isog. ambot lang kaha ning ubang manufacturer...
http://www.anandtech.com/mb/showdoc.aspx?i=3762Last edited by poldopunk; 03-22-2010 at 05:29 PM.
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03-22-2010, 07:45 PM #3
@Ts : gi buy jud d i nimo bro,, kadtong gi post nako about sa mobo nimo.heheh
Sir Poldz.. this is what you mean..
http://www.asrock.com/feature/UCC/index.aspLast edited by regilsolon; 03-22-2010 at 07:48 PM. Reason: added url
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03-22-2010, 07:51 PM #4C.I.A.
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asrock is a sister company of asus.
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03-22-2010, 07:56 PM #5
@OT: Sir Poldz.. i'm looking it forward.. no plans yet for AMD sideshow.. phenom x4 , OCing & core unlocking. i know you're heart belongs to intel..
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03-22-2010, 07:57 PM #6C.I.A.
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@TS
ka sinaw pa rabas imung Q8400 bro oi. pero kung san ka happy doon ka. ^^
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03-22-2010, 08:00 PM #7C.I.A.
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ganahan unta pero wa man sad ko'y AMD nga system. naa to before pero dili akoa (Phenom II X4 945 BE ni Centax Error). maikog ko mo-malmal kay maguba unya. nice kaayo to ug overclock paired with Asus Crosshair III Formula.
Originally Posted by regilsolon
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03-22-2010, 08:09 PM #8
^^ .huhu.. sad to hear.. maybe next time Sir Poldz. thanks
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03-24-2010, 05:44 PM #9C.I.A.
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I bought the ECS 790GXM-AD3 and yes it does have the ACC. But when i turned it to ENABLED nothing happened to my AMD Phenom X2 550 BE.
will try to update the BIOSLast edited by blizzaga4; 03-24-2010 at 06:00 PM.
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03-24-2010, 05:49 PM #10
^^ unsay batch number sa imong AMD Phenom X2 550 BE. ?
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