Powercolor 7950 cannot unlock voltage

[Drizmod]

Please help. I have tried msi aferburneR, sapphire Trixx, asus tweak and none of them work. When on full load both cards are hitting 1.195. I can make the changes in the software but it seems as if the changes do not go through. I can change the memory voltage fine to 1500 no problem

my cards are AX7950 2DHV2

 

[Drizmod]

Anyone able to advise?

 

[iron_monkey]

I had a card that would only let me change the voltage in strange amounts like +15 +30 etc so try a higher amount.

 

[tommybhoy]

Have you followed the Lt's guide?

Have you ticked all the right boxes in AB?

If you have and it still doesn't change, then maybe you could make your own bios with set voltage using VBE7, it is very simple to use.

 

[Drizmod]

Yeah all those settings are the same. Will give VBE7 a go

 

[Drollic]

I presume you're wanting to lower the voltage as 1.195 is towards the higher side for a 7950. Should be plenty for 1100 core.

 

[Drizmod]

Yeah. Have used vbe7 to make my own bios. Now running at max at 1100 with gpu temps at 65. Very happy now. Been at it all day and it was so simple

Now it's 1100 with core also running at 1100. Should be ok?

 

[Panos]

Yes it should be fine. Had my two 7950s running at 1100/1550 all the time since day one (PCS+) Just make an aggressive fan profile to kick bit more air to them and try hold the temp under load at 60C.

 

[Drollic]

Yeah. Have used vbe7 to make my own bios. Now running at max at 1100 with gpu temps at 65. Very happy now. Been at it all day and it was so simple

Now it's 1100 with core also running at 1100. Should be ok?

I'd be surprised if that's fully stable as usually 1100 takes around 1.120-1.180. 65c under load leaves you some room.