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Why cant I unlock 4th core on GIGABYTE GA-MA78LM-S2

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March 15, 2010 11:40:32 PM

Ok, so I have this phenom 550 and it was working perfect with an MSI board I managed to unlock it to a x4 B50 but now I cant unlock the 3rd and 4th core on the gibabyte board, its supposed to be good for it. DO i have to change the core value, I set it to hybrid and auto and nothing, I know it works on this board, but why wont it work for me, remember the cpu unlocks the cores on this chip.

Thanks,

Mortimer
a b à CPUs
March 16, 2010 12:33:44 AM

Do you have the newest BIOS/have you tried various BIOSes?
a c 105 à CPUs
March 16, 2010 12:56:12 AM

in ACC there should be an option like "all" for cores, set it to that
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March 16, 2010 2:50:11 AM

EXT64 said:
Do you have the newest BIOS/have you tried various BIOSes?

yes I have tried f2 f4 and f6 and nothing.
March 16, 2010 2:51:05 AM

ct1615 said:
in ACC there should be an option like "all" for cores, set it to that

tried that too, i set it to auto all cores per core and nothing
March 16, 2010 2:52:03 AM

could it be power supply its only 380w it seems I have to manually shut it off then turn it on when doing a bios flash to reset it to specs so it reboots.
March 16, 2010 2:55:16 AM

I have the GA-MA78LM-S2H board (my has HDMI output which is the only difference).

For my Phenom II X3 720 BE, I have to do the following under the MB Intelligent Tweaker section:

  • Enter the Advanced Clock Calibration section
  • Set EC Firmware Selection to Hybrid
  • Set Advanced Clock Calibration to Auto

    That's how I unlocked my 4th core for me.
    March 27, 2010 5:53:58 PM

    i have the ma78lm-s2h as well, and i happen to have a phenom II x2 545, and when i try to go to ACC, and set Ec firmware to hybrid and Acc to auto, the system gives the changing ecc firmware message, and when it reboots, my monitor shows nothing! I have had to reset the cmos manually, and really want some help unlocking my cores?

    Also, I have a 350 watt psu, some cheap brand that came with my case. Do i need a better psu?
    March 27, 2010 7:55:55 PM

    bbwalker21x said:
    i have the ma78lm-s2h as well, and i happen to have a phenom II x2 545, and when i try to go to ACC, and set Ec firmware to hybrid and Acc to auto, the system gives the changing ecc firmware message, and when it reboots, my monitor shows nothing! I have had to reset the cmos manually, and really want some help unlocking my cores?

    Also, I have a 350 watt psu, some cheap brand that came with my case. Do i need a better psu?


    Not every chip can be unlocked. You may have a chip where the two cores really are bad.

    March 28, 2010 4:22:41 AM

    isamuelson said:
    Not every chip can be unlocked. You may have a chip where the two cores really are bad.


    oh, ic... is there a way to at least try to unlock either one of the disabled cores?? I see in the acc options there is a per core thing, but have no idea how to use it? Is it possible to just unlock one of the 2 disabled cores to make it a triple?
    April 6, 2010 7:04:06 PM

    Sorry for the late, late, late reply... It was a bad power supply, I had an old pentium 4 sitting around and took the power supply from it and wallah 4 cores a b50.
    October 20, 2013 3:41:47 PM

    Sorry for bumping and old post, but I have the exact same problem with the exact same motherboard. However, my psu is 500 watts, and I still get the boot error mortimerlopez got. Does anyone know what kind of psu I need? Thank you.
    !