Olde XFX 7970 DD Voltage Control?

[Dangerous_Dave]

Hi all,

Does anybody know how to unlock voltage control on an XFX 7970 DD? I've got the latest MSI Afterburner, but while ticking the extended overclocking limits options opens up the clock rates I can set, ticking the unlock voltage control box doesn't seem to open that up.

Any ideas?

 

[Minstadave]

Check if the PCB is reference or not. XFX used non reference PCBs that didn't have voltage control.

 

[Dangerous_Dave]

Yeah it's a custom PCB. No voltage control?

 

[tommybhoy]

Trixx did let you add some voltage, should still do, if it doesn't use an older one.

Failing that make your own bios and set a higher voltage yourself.

 

[Dangerous_Dave]

Trixx did let you add some voltage, should still do, if it doesn't use an older one.

Failing that make your own bios and set a higher voltage yourself.

Is the lack of voltage control not a hardware issue then?

 

[tommybhoy]

Possibly a vendor decision to reduce returns.

I could add some voltage on a 7950DD but not as much as you could on say the 7950 Ice-Q which would let you add as much voltage as you liked.

Here's a link to VBE7 vbios editor:

http://www.techpowerup.com/forums/threads/vbe7-vbios-editor-for-radeon-hd-7000-series-cards.189089/

 

[shankly1985]

Check if the PCB is reference or not. XFX used non reference PCBs that didn't have voltage control.

This isn't true at all. I used to have two XFX DD 7950's and both had Voltage control. At the time I had to unlock the voltage with MSI AB then I had full control up to 1.3

 

[This never ends well]

Use trixx modded 4.4

 

[tommybhoy]

Shanks, there was different revisions, geussing yours were the original run, later revisions had voltage locked down, mine wasnt refrence it had different vrms.

 

[Dangerous_Dave]

So far this one's refusing to acknowledge it even runs on electricity, but I'll try the other Trixx soon.

 

[shankly1985]

Shanks, there was different revisions, geussing yours were the original run, later revisions had voltage locked down, mine wasnt refrence it had different vrms.

I stand corrected then I did buy my two on release week.

 

[BluD]

This isn't true at all. I used to have two XFX DD 7950's and both had Voltage control. At the time I had to unlock the voltage with MSI AB then I had full control up to 1.3

Sure yours were the non ref ones though? Mine was the reference one pcb and that had voltage control also but i remember reading at the time voltage control was disabled on their cards, which i assume is their non ref PCBs.

When i first bought mine voltage control didnt work in AB so i just vmodded it but in a later release it was working fine.

edit.. ah nvm sumone already mentioned it, ^ ^, serves me right for clicking reply then going to make a cuppa.

 

[Minstadave]

Early revisions were OEM PCBs but later they went custom and voltage locked - Trixx allowed some voltage control but v limited.

 

[DrBombcrater]

I have a non-ref XFX 7950 DD that's so locked down even editing the BIOS won't change the core voltage. It's stuck at 1.25v and nothing will budge it at all.

 

[This never ends well]

I have a non-ref XFX 7950 DD that's so locked down even editing the BIOS won't change the core voltage. It's stuck at 1.25v and nothing will budge it at all.

Try this bios unlocked to 1.3v i had someone hex it for me.

http://www.mediafire.com/download/vlh96jep8my8tzy/mod1300.zip

My card was a dd tdfc v5.0, bios number 015.024.000.001.000000.

I got a bios with 1.4v if you want it, just let me know and i will upload it.