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amd core unlocking

post #1 of 13
Thread Starter 
ive heard of people unlocking their cpu's from haveing a dual core to haveing a quad core just by a slight tweek in the BIOS settings

im kinda new to the whole computer overclocking and playing around in the BIOS thing and would apprieciate any advice on overclocking and primarily on how to unlock those other two cores OR even if i am able to


my system:
AMD athlon x2 7850 BE
Gigabyte GA-MA790X-UD4P
XFX hd 4850
4gb (2gb x 2) patriot gaming edition ddr2 1066 ram
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Athlon X2 7850 Black Edition @ 3.2ghz Gigabyte GA-MA790X-UD4P XFX HD4850 Patriot 4gb 1066mhz 
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Athlon X2 7850 Black Edition @ 3.2ghz Gigabyte GA-MA790X-UD4P XFX HD4850 Patriot 4gb 1066mhz 
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Samsung 5400 rpm 500 gb Windows Vista 64-bit OCZ 600w ModXstream Pro Antec 900 
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post #2 of 13
You can only unlock cores with certain processors.Here is a list I know of processors that unlock.

-All Phenom II Tri and Dual Cores (Unlock to Quad Cores)
-AMD Sempron 140 unlocks to Athlon II (I cant remember the specs,numbers etc)

You also need to have a motherboard with the SB750 chipset included.The feature you need tweak (I dont know the steps of doing it) is ACC.Your processor cannot be unlocked although I'm nearly sure you board has the capability to unlock cores on the correct processor
    
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[OCZ][Vertex II] [+] [Samsung][F3][500GB][RAID0] [Pioneer][DVD RW] [Corsair][H100] [Windows][7][Ultimate][64 Bit] 
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[23''][Dell U2311HB][1920x1080] [Corsair][HX850] [Cooler Master][HAF 922] [CM Storm][Sentinel] 
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post #3 of 13
The setting is ACC, generally setting it to auto will allow any core unlocks to happen that will happen. You need to do a google search or ask around if your cpu is unlockable, then make sure you have a board that has the proper micro-code to enable the core unlock, which in some cases means flashing an older bios.

My buddy bought a Phenom II X3 720 and got the fourth core unlocked. Stable at around 3.4Ghz.
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post #4 of 13
no you cant you have an athlon. you can overclock the stuff out of it btw!
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post #5 of 13
Thread Starter 
so pretty much i should just try and overclock it as high as i can and just save up money for an X3 and then try and unlock the fourth core??
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Athlon X2 7850 Black Edition @ 3.2ghz Gigabyte GA-MA790X-UD4P XFX HD4850 Patriot 4gb 1066mhz 
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1st "Legit" Build
(13 items)
 
  
CPUMotherboardGraphicsRAM
Athlon X2 7850 Black Edition @ 3.2ghz Gigabyte GA-MA790X-UD4P XFX HD4850 Patriot 4gb 1066mhz 
Hard DriveOSPowerCase
Samsung 5400 rpm 500 gb Windows Vista 64-bit OCZ 600w ModXstream Pro Antec 900 
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post #6 of 13
It might make more sense to get an X2 550 (Phenom).They are the dual core version and clock well when unlocked most of the time,they are sub €100 too
    
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Hard DriveOptical DriveCoolingOS
[OCZ][Vertex II] [+] [Samsung][F3][500GB][RAID0] [Pioneer][DVD RW] [Corsair][H100] [Windows][7][Ultimate][64 Bit] 
MonitorPowerCaseMouse
[23''][Dell U2311HB][1920x1080] [Corsair][HX850] [Cooler Master][HAF 922] [CM Storm][Sentinel] 
Audio
[Creative][X-Fi][Titanium][HD] 
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CPUMotherboardGraphicsRAM
[Intel][2600K] [Asus][P8Z68][Pro] [Sapphire][Radeon HD5850][900/1125] [Kingston][HyperX][Genesis][16GB][1600MHz] 
Hard DriveOptical DriveCoolingOS
[OCZ][Vertex II] [+] [Samsung][F3][500GB][RAID0] [Pioneer][DVD RW] [Corsair][H100] [Windows][7][Ultimate][64 Bit] 
MonitorPowerCaseMouse
[23''][Dell U2311HB][1920x1080] [Corsair][HX850] [Cooler Master][HAF 922] [CM Storm][Sentinel] 
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[Creative][X-Fi][Titanium][HD] 
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post #7 of 13
From what I've read about unlocking it was pretty much luck of the draw, though new info or more unlockable processors may have come up, either way I def agree with overclocking that one to max potential
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Intel 320 Sata II 120 Gb SSD Western Digital Caviar Black Sata II 1tb  Samsung Supermulti 22x Dvd/RW Stock HSF 
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Windows 7 Professional 64 bit Hanns-G 25" Lcd Logitech slim backlit Keyboard Rosewill Green 630 watt 
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post #8 of 13
core unlocking is not guaranteed even if you have the requested hardware sometimes and if it is im not sure if its gona be %100 stable to many couldnt make it stable plus no temps sensors will be working anymore plus might need to flash the motherboard to diffrent bios. im not sayin it dosent work but if you need a quad then just buy one my friend.
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post #9 of 13
save money a x3 720 is only 119 set the goal

i just got one and im unlocked to quad and oced stable at 25c @3.2ghz as soon as my pastes sets ill be going for gold

but as he said ^^^^
its not always a givin

still the 720 is a beast in its own skin fn stomps my old 6000+ x2 at 3.1
    
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post #10 of 13
Quote:
Originally Posted by popeye1 View Post
so pretty much i should just try and overclock it as high as i can and just save up money for an X3 and then try and unlock the fourth core??
Pretty much, and like Ghetto said, the X3 is a pretty nice chip unlocked or not, enjoy yourself now with your dual then more when you get the tri
intel 1155
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Lenovo Z575
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CPUMotherboardGraphicsRAM
Intel Core i-3 2120 Foxconn Z68 Msi Gtx470 8 GB (2x 4GB) Patriot DDR 1333  
Hard DriveHard DriveOptical DriveCooling
Intel 320 Sata II 120 Gb SSD Western Digital Caviar Black Sata II 1tb  Samsung Supermulti 22x Dvd/RW Stock HSF 
OSMonitorKeyboardPower
Windows 7 Professional 64 bit Hanns-G 25" Lcd Logitech slim backlit Keyboard Rosewill Green 630 watt 
CaseMouseMouse PadAudio
Nzxt Source 210 Razer Death Adder Walmart Speacial Logitech 5.1 
CPUGraphicsRAMHard Drive
Amd A 3420 M Amd 6650M 6 Gb DDR3 1333 500 Gb 5400 Rpm Sata 
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Dvd Rw Windows 7 Home Premium 64 bit 15.6" Led Microsoft Wireless Mobile Mouse 4000 
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intel 1155
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Lenovo Z575
(9 items)
 
 
CPUMotherboardGraphicsRAM
Intel Core i-3 2120 Foxconn Z68 Msi Gtx470 8 GB (2x 4GB) Patriot DDR 1333  
Hard DriveHard DriveOptical DriveCooling
Intel 320 Sata II 120 Gb SSD Western Digital Caviar Black Sata II 1tb  Samsung Supermulti 22x Dvd/RW Stock HSF 
OSMonitorKeyboardPower
Windows 7 Professional 64 bit Hanns-G 25" Lcd Logitech slim backlit Keyboard Rosewill Green 630 watt 
CaseMouseMouse PadAudio
Nzxt Source 210 Razer Death Adder Walmart Speacial Logitech 5.1 
CPUGraphicsRAMHard Drive
Amd A 3420 M Amd 6650M 6 Gb DDR3 1333 500 Gb 5400 Rpm Sata 
Optical DriveOSMonitorMouse
Dvd Rw Windows 7 Home Premium 64 bit 15.6" Led Microsoft Wireless Mobile Mouse 4000 
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Anything I put the mouse down on 
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