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The Ultimate CPU Overclocking Guide!
How to unlock the Phenom II x2 550 into a quad core plus shows it overlocking to 3.7ghz. Not bad for a $99 cpu 
motherboards and bios version that allow for unlocking – www.overclock.net
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Thanks man, btw did u notice a better performance with the extra 2 cores, but with OCing?
i tried in my GA-MA785GT-UD3H (rev. 1.0) with the lastest BIOS (F8) and my pc starts but windows show me phenom X2 processor, what happen?
Regards.
@fivestarsi5 Always go for the sure buy. You are taking a chance with a x2 550BE. It might only unlock 1 core, or none at all.
I’m ordering this tomorrow, and I wanted to know if the overclock would work with my Mobo? My model is a Gigabyte MA785G-UD3H. and If it would work, if you know, would I still get that updated BIOS? or a different version?
What should I search for MA-770T-UD3? Please help
it worked for me! phenom II 555 to phenom x4 b55! Only problem is that the temp rises to 58 Cº under load… i have a cheap case and stock cooler…
@mukangbetlog Yeah you can! It has the 710 south bridge! I am using now an MSI 880-E53! Works good also!
Dude it’s amazing the boost you get!! 
When I put Advanced Clock Calibration to: "Auto" I still have 3 cores… I could a valid Mobo and a Phenom II X3 720. What should I do? I also don’t have the EC Firmware option…
@fivestarsi5 Any phenom is better, they have 6MB L3 cash and can be unlocked to x4
Which CPU would be better to get? All three are really lose in price.
Athlon II x4 640 3.1GHz or Phenom II x2 550be/560be and unlock the cores?
Which CPU would be better to get? All three are really lose in price.
Athlon II x4 640 3.1GHz or Phenom II x2 550be/560be and unlock the cores?
I am able to unlock the cores for x2 560
and running on stock
and running on 16.5 * 200
and is able to run prime
however anything about 16.5 * 200 and anything about stock auto volt
the system bsod
suggestions?
I am able to unlock the cores for x2 560
and running on stock
and running on 16.5 * 200
and is able to run prime
however anything about 16.5 * 200 and anything about stock auto volt
the system bsod
suggestions?
@HerrAfrikaKorps What cooler do you use?
@HerrAfrikaKorps What cooler do you use?
Can i unlock the extra cores with MSI 870-G45
Can i unlock the extra cores with MSI 870-G45
@ToonFreak559 go for the phenom x3 740…for the same price you get a guaranteed 3 cores…and has a high unlock rate for the fourth core
@ToonFreak559 go for the phenom x3 740…for the same price you get a guaranteed 3 cores…and has a high unlock rate for the fourth core
@Cruising270 ah well..at least i can overclock
thanks and have a nice day!
@Cruising270 ah well..at least i can overclock
thanks and have a nice day!
@ToonFreak559 I believe both of those are possible to unlock as well. Like rtb3796 said, check reviews because it’s usually mentioned.
@ToonFreak559 I believe both of those are possible to unlock as well. Like rtb3796 said, check reviews because it’s usually mentioned.
@ImABigBoy14 it’s not a guarantee that it will work for all. It’s worth a shot but if it fails to boot after making the changes it’s likely you have a 550 that wont unlock. Still a great dual core cpu so don’t fret.
@ImABigBoy14 it’s not a guarantee that it will work for all. It’s worth a shot but if it fails to boot after making the changes it’s likely you have a 550 that wont unlock. Still a great dual core cpu so don’t fret.
ok..i did everything like you,but my computer wont start after changes in BIOS..i dont know what the problem is..pls help!
ok..i did everything like you,but my computer wont start after changes in BIOS..i dont know what the problem is..pls help!
@rtb3796 Thanks for the link.I might be buying this soon and trying it.
@rtb3796 Thanks for the link.I might be buying this soon and trying it.
@ToonFreak559 i think all try looking at the cpu reviews people will say
@ToonFreak559 i think all try looking at the cpu reviews people will say
is the 550 the only one that can unlock 4 core? how about the 555 or 560?
is the 550 the only one that can unlock 4 core? how about the 555 or 560?
@Cruising270 help my please mu e mail is sidemsa@hotmail.com
@Cruising270 help my please mu e mail is sidemsa@hotmail.com
HELP I SEND YOU A MESSAGE ON YOUR PAGE MY E MAIL IS sidemsa@hotmail.com
HELP I SEND YOU A MESSAGE ON YOUR PAGE MY E MAIL IS sidemsa@hotmail.com
Phenom ii x2 550 3.1 B.E.
hi mike i tried to do your steps but the pc stays still in starting win 7 screen the one with the flags my MB is a ga-ma785gpmt-ud2h and i have been tried all
hybrid+auto=the same problem
+voltage variation on cpu and cpu north bridge
+ghz variation from 3.1 to 3.8
+quiet and cool disable= the same
the only i didn,t upgrade was my bios because i already have the hybrid option able, the name on the boot menu changes to phenom ii x4 think it should work but not
Phenom ii x2 550 3.1 B.E.
hi mike i tried to do your steps but the pc stays still in starting win 7 screen the one with the flags my MB is a ga-ma785gpmt-ud2h and i have been tried all
hybrid+auto=the same problem
+voltage variation on cpu and cpu north bridge
+ghz variation from 3.1 to 3.8
+quiet and cool disable= the same
the only i didn,t upgrade was my bios because i already have the hybrid option able, the name on the boot menu changes to phenom ii x4 think it should work but not