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Biostar A880G+ AAC Failed?

post #1 of 7
Thread Starter 
Hey guys I think I'm having some problems with my mobo. My mobo is the Biostar A880G+ and CPU is the Sempron 140. When I try to use the BIO-unlocKING utility to unlock the extra core in my CPU, the screen turns black and the PC reboots. After rebooting, my monitor, keyboard and mouse don't get powered up. When I clear the CMOS it works normally. Also when I try to enable Advanced Core Calibration (ACC) in the bios the same thing happens. I'm hoping its not my mobo because I just got it back from Biostar a week ago.
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CPUMotherboardRAMHard Drive
AMD Athlon II X2 260 (OC 3.6) BIOSTAR TA880GB+ HyperX Blu 4GB (2 x 2GB) 8-8-8-24 WD Caviar 2TB 
OSCase
Windows 7; Ultimate 64 bit Antec- 2 Hundred 
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Budget Build
(13 items)
 
  
CPUMotherboardRAMHard Drive
AMD Athlon II X2 260 (OC 3.6) BIOSTAR TA880GB+ HyperX Blu 4GB (2 x 2GB) 8-8-8-24 WD Caviar 2TB 
OSCase
Windows 7; Ultimate 64 bit Antec- 2 Hundred 
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post #2 of 7
Core might be simply unstable. Unlocking is a bonus.
post #3 of 7
Thread Starter 
Good point, I think i'm going to put the Sempron into my Biostar TA880GB+ mobo and see if the same thing happens. Just to make sure it actually is the CPU and not my mobo.
Budget Build
(13 items)
 
  
CPUMotherboardRAMHard Drive
AMD Athlon II X2 260 (OC 3.6) BIOSTAR TA880GB+ HyperX Blu 4GB (2 x 2GB) 8-8-8-24 WD Caviar 2TB 
OSCase
Windows 7; Ultimate 64 bit Antec- 2 Hundred 
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Budget Build
(13 items)
 
  
CPUMotherboardRAMHard Drive
AMD Athlon II X2 260 (OC 3.6) BIOSTAR TA880GB+ HyperX Blu 4GB (2 x 2GB) 8-8-8-24 WD Caviar 2TB 
OSCase
Windows 7; Ultimate 64 bit Antec- 2 Hundred 
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post #4 of 7
Thread Starter 
Ok so I tried putting the Sempron into my TA880GB+ mobo and when I enabled ACC it failed to boot. Does this mean the CPU is bad?
Budget Build
(13 items)
 
  
CPUMotherboardRAMHard Drive
AMD Athlon II X2 260 (OC 3.6) BIOSTAR TA880GB+ HyperX Blu 4GB (2 x 2GB) 8-8-8-24 WD Caviar 2TB 
OSCase
Windows 7; Ultimate 64 bit Antec- 2 Hundred 
  hide details  
Reply
Budget Build
(13 items)
 
  
CPUMotherboardRAMHard Drive
AMD Athlon II X2 260 (OC 3.6) BIOSTAR TA880GB+ HyperX Blu 4GB (2 x 2GB) 8-8-8-24 WD Caviar 2TB 
OSCase
Windows 7; Ultimate 64 bit Antec- 2 Hundred 
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post #5 of 7
No, the CPU is perfectly fine. It works as a single core at 2.7Ghz and that's all that it was made for.
Once again, unlocking = BONUS. AMD locks cores on CPUs and resells them for a reason.
post #6 of 7
Thread Starter 
I understand the method behind locking the extra cores. I didn't know the ACC function was only for unlocking cores. I guess it makes sense why it fails to boot when I enable it, thanks for the help.
Budget Build
(13 items)
 
  
CPUMotherboardRAMHard Drive
AMD Athlon II X2 260 (OC 3.6) BIOSTAR TA880GB+ HyperX Blu 4GB (2 x 2GB) 8-8-8-24 WD Caviar 2TB 
OSCase
Windows 7; Ultimate 64 bit Antec- 2 Hundred 
  hide details  
Reply
Budget Build
(13 items)
 
  
CPUMotherboardRAMHard Drive
AMD Athlon II X2 260 (OC 3.6) BIOSTAR TA880GB+ HyperX Blu 4GB (2 x 2GB) 8-8-8-24 WD Caviar 2TB 
OSCase
Windows 7; Ultimate 64 bit Antec- 2 Hundred 
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Reply
post #7 of 7
I believe ACC also corrects per-core voltage? Not too sure, but it's not just for unlocking cores (and sometimes, L3 cache).
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