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R3dziu

7970M Unable to change VDDC in VBE7

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Hi guys!

 

I have a big problem-> I need to undervolt my GPU (MSI 7970M@DELL_BIOS).
I am using this vBIOS: https://www.techpowerup.com/vgabios/132831/dell-hd7970m-2048-120629

Stock VDDC on this GPU is 1.050V and when I changing this one to 0.975 in VBE7 it is ok-> I can save it and flash it. Computer succesfully restarts but when I check modded settings the VDDC is still on 1.050V

I checked if the VBE7 seriously saving the VDDC to vBIOS but it is ok. I have no idead what i need to UV this card (i know it's possible...)

Everything is changing (GPU, MEM MHz) but VDDC can't change.

 

Please help me ;-)

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Just download and use already prepared vbios from this thread: 

 

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Thanks... It works! The vbios from this package unlocking vddc changes. Topic ready to close :)

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