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Unlocking/modding a 6950

Gregry254

Gregry254

Gregry254

Associate
Joined
5 Dec 2006
Posts
607
Location
Aberdeen
I have read that the new models can't be unlocked by flashing a new BIOS but what about this thread where they talk about modding your existing BIOS to unlock the shaders?

1st, you'll want to save a copy of your existing bios. You can follow the bios flash guide steps 1, 3 and 4 to save your bios. This is just in case something doesn't work right (not all 6950 GPU's have fully function shaders). The flash instructions are here: instructinos
Just do steps 1, 3 and 4.

Next, download this: www.techpowerup.com/wizzard/Mod_BIOS_HD_6950.zip

Extract the script and copy over the original saved bios into the folder for this script. It needs to be named "original.bin"

Now run the script (it will tell you instructions) and follow the original flash instructions with the modified bios. ( instructions ) follow steps 5 through 9 with the modified bios created with the script ( modded.bin )
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Anyone tried this? I am tempted to try it to get a free upgrade but scared I brick my card :(
 
Well that is me scared straight I think, because knowing my luck I would RMA it and get a bill for £225 lol

I was speaking to someone else recently who said that some of the cards don't have a dual BIOS switch, that the switch is infact for fan speed or something? Whats the story behind that?
 
The switch is definately a dual bios switch!

It does mean that you can flash one bios and run the card on the other bios if you screw up!

The bios to flash on the FROZR III is to have the switch furthest away from the dvi slot, it is the "silent" bios !
 
Thats ok. The old method of flashing the 6970 bios onto the 6950 card has resulted in people getting errors after a week or so of use, since the 6950 ram isn't rated to 6970 voltages etc.
 
when did you buy the card? as amd are ment to have put a stop to this months back, if you bought it recently then guess you were lucky enough to get old stock.
 
fowler002 said:
when did you buy the card? as amd are ment to have put a stop to this months back, if you bought it recently then guess you were lucky enough to get old stock.
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I bought the card on the 4th from OCUK so I dunno about old stock?

pgi947 said:
Plus your not going to gain a great deal out of flashing a modded bios to the card, maybe 5% tops.
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A 5% increase for free is still better than nothing :D
 
Operation said:
I'm on my second 6950. First one was flashed with 6970 bios and it broke. Artifacts everywhere. Second one has shaders unlocked and a 6950 bios and it works a treat.

Don't be greedy :)
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Yeah after looking into it more and finding out that 6970 BIOS is bad for the card I am gonna stick with the unlocked 6950 BIOS :D
 
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