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How come I can OC in CCC without voltage control and it is stable?

Phusius

Phusius

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Joined
Mar 23, 2012
Messages
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System Specs
Processor i5-2500k @ 4.5
Motherboard Asus Z68 Deluxe
Cooling Noctua NH-D14
Memory 16GB DDR3 1600
Video Card(s) Sapphire 7950 @ 1200/1475 @ 1175v
Display(s) Dell 23" 2ms
Case Carbide 500r
Audio Device(s) Asus Xonar DG
I use Msi Afterburner to OC to 1200/1500 @ 1206 voltage 20% slider, 100% stable

i click reset. gpu goes back to default everything, go into CCC and set it at 1200/1500 20% slider no voltage tweak since thats not an option through CCC and its also stable 100%...

so confused...:confused:
 
MSI slider is not actually voltage? anything by % should just be power limit.
 
If I recall, the voltage on my XFX HD 7950 (leaked Boost BIOS) never actually changed until I selected "Force constant voltage" in Afterburner. That's the only way I could get over 1050MHz on the core. Are you sure your voltage was actually increasing in GPU-Z when changed in Afterburner?
 
cadaveca said:
MSI slider is not actually voltage? anything by % should just be power limit.
Click to expand...

I unlocked voltage control afterburner options, but I did not select force constant voltage. I do move the voltage from 1125 to 1206 though. and slider at 20%

Hmm maybe the voltage never did change. I shouldn't be stable at 1200 core tho on a 7950 without voltage increase though? Hmm I dunno
 
AB is obviously not resetting the voltage, check monitoring while under load.
 
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