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Unlocking a Radeon 6950 to 6970

Solution
The switch is just a dual bios feature, all of the cards have them. Only the cards with the reference PCB (hence the AMD logo) have the change to unlock. The cards that you listed, use non-reference PCBs, therefore, will not unlock.
apparently you look at the pcie connector at the bottom, if it has the words and logo amd on it, then you might be able to. But this one defintely not
 
^+1
Just what he said it isn't the right one. I don't even know if they have them any more for sale or even if they make them. Good luck to you.
 
The switch is just a dual bios feature, all of the cards have them. Only the cards with the reference PCB (hence the AMD logo) have the change to unlock. The cards that you listed, use non-reference PCBs, therefore, will not unlock.
 
Solution

Thats a dissapointment, but thanks, i'll go looking around some more.