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GA-Z77M-D3H - Vcore Issue -> i5 3570K

post #1 of 13
Thread Starter 
Hello everyone, i've been doing an overclock using the UEFI standard interface from gigabyte, of course, i disabled everything that was required for a non-limited overclock ( like C-Estates, SpeedStep, TurboBoost ).

Now, i'm at 4.2 GHz with my i5 3570K, however, it seams that my MB does not support manual VCores, so it changes by itself.

I noticed that there's somekind of thermal protection, because my overclock starts at 1.176mv but if the temperature's it's about 63°C (at load) it goes down to 1.128mv.

I'm running the F8 version of GA-Z77-D3H's bios/uefi, i would like to know, if the newest versions of the bios (F13) will put the manual vcore option, also i would like to know, about this 'thermal protection' and if it's normal....

PS: i stressed my CPU with Prime95 for a few hours, and it seams stable...

Thanks!
post #2 of 13
Try typing in a value in the vcore table, as far as I know all UEFI should allow an option to change the Vcore.
post #3 of 13
Thread Starter 
Where i can found that table? Thanks!
post #4 of 13
Thread Starter 
Where i can found that table? I mean, there's no vcore option, it can't even be 'found'...

Thanks
post #5 of 13
Only thing I did was raising the multi to 40 and I'm at 4GHz with stock vcore, couldnt change it either. 4.2Ghz wasnt 100% stable. If anyone knows how to change vcore in some other way cause its not possible in the BIOS
FPS Gaming System
(16 items)
 
  
CPUMotherboardGraphicsRAM
i5 3570K @ 4.2GHz Gigabyte Z77M D3H MVP MSI GTX 570 8 GB 1600 MHz G.Skill 
Hard DriveHard DriveOptical DriveCooling
Crucial M4 128 GB Western Digital 500 GB Samsung X22 Superwritemaster  Alpine 11 Pro 
OSMonitorKeyboardPower
Win 7 64-Bit Ultimate BenQ XL2411Z 144Hz CoolerMaster Storm QuickFire Pro Mechanical Corsair TX750 
CaseMouseMouse PadAudio
CoolerMaster 690 Newmen GX1-Pro SteelSeries QCK Heavy QPAD qh-90 
  hide details  
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FPS Gaming System
(16 items)
 
  
CPUMotherboardGraphicsRAM
i5 3570K @ 4.2GHz Gigabyte Z77M D3H MVP MSI GTX 570 8 GB 1600 MHz G.Skill 
Hard DriveHard DriveOptical DriveCooling
Crucial M4 128 GB Western Digital 500 GB Samsung X22 Superwritemaster  Alpine 11 Pro 
OSMonitorKeyboardPower
Win 7 64-Bit Ultimate BenQ XL2411Z 144Hz CoolerMaster Storm QuickFire Pro Mechanical Corsair TX750 
CaseMouseMouse PadAudio
CoolerMaster 690 Newmen GX1-Pro SteelSeries QCK Heavy QPAD qh-90 
  hide details  
Reply
post #6 of 13
Thread Starter 
Well, my system seans to be stable, i ran Prime95 for a few hours in blend mode and no issues happened.

I'm wondering about 4.4GHz, i'll post result laters. This is quite annoying because i'll be limited due the VCore issue...

But anyway, how did you discover that your system was unstable?
post #7 of 13
The Vcore should be under voltage settings, then CPU Voltages.
post #8 of 13
Thread Starter 
I know that ( thanks anyway ), in this particular mb, the only voltage available is DRAM.
post #9 of 13
It seems like you're out of luck when it comes to changing the vcore on that board.

http://www.legitreviews.com/article/1998/14/
post #10 of 13
Thread Starter 
Well, this motherboard ( that you sad ) is the Z77-DS3H, not the Z77M-D3H.

Thanks anyway
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