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Sapphire 6950 2GB (dual fan) unlocking help wanted

post #1 of 13
Thread Starter 
I've got this model from Newegg with the dual-BIOS w/ switch. I'm aware that it likely won't unlock, but worth a try I figure tongue.gif

I've found a bunch of guides, but I'm hoping for some help from someone with the same card. I don't really want to download some seemingly random BIOS and flash it into my card.

Is there a good BIOS image to use for this card? Does it matter between manufacturers? I'd like to just unlock the shaders without setting 6970 clocks, so I can OC manually if I desire.

Any help is appreciated.
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post #2 of 13
Afaik, that card does not unlock.
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post #3 of 13
Have you tried the second BIOS slot yet? Just saying that many of those dual fan Sapphires came with an unlocked BIOS from the factory. Of course, not all of them unlocked even if they had an unlocked BIOS.
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post #4 of 13
Thread Starter 
Tried second BIOS, appeared the same in GPUz.
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post #5 of 13
Quote:
Originally Posted by 2thAche View Post

Tried second BIOS, appeared the same in GPUz.

Ok. That might mean that your card doesn't have the unlocked BIOS or that your card simply will not unlock. What I'd do is try editing your original BIOS to full shaders. You can do it with RBE, or W1zzards script should work too. With RBE, you can see if the stock BIOS has an unlocked shader count: if RBE shows your original BIOS to already have the 6970 shader count, then you had the unlocked BIOS from the factory. That would be bad news since it means you have a chip that will not unlock. If it shows 6950 shaders then go through with modding the BIOS and flashing it in. Fingers crossed! thumb.gif

Whatever you do, do not change anything else in the BIOS with RBE!
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post #6 of 13
You're gonna brick your card.
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post #7 of 13
Quote:
Originally Posted by tsm106 View Post

You're gonna brick your card.

How is he going to brick his card? If it has a dual bios switch, you just switch it to the other bios and you're good to go.
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post #8 of 13
Quote:
Originally Posted by rockgod213 View Post

How is he going to brick his card? If it has a dual bios switch, you just switch it to the other bios and you're good to go.

The cores are laser cut. The bios switch on these are like for decoration. Some other things they've done is cross the bios chip so it won't complete a flash, hence the gum mod and soldering. On late model cards you have to approach it carefully because they've had lots of time to tinker/mess with the product.
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post #9 of 13
Quote:
Originally Posted by tsm106 View Post

The cores are laser cut. The bios switch on these are like for decoration. Some other things they've done is cross the bios chip so it won't complete a flash, hence the gum mod and soldering. On late model cards you have to approach it carefully because they've had lots of time to tinker/mess with the product.

I'm again going to have to ask you to elaborate. And again, not trying to piss you off. It's just that I haven't seen, heard or read anything like that. Dual BIOS is dual BIOS, if you screw it up with one there's always the backup.
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post #10 of 13
Thread Starter 
There are people in the card's Newegg review who have and haven't unlocked this card. The BIOS versions from BIOS "1" to "2" when I move the switch are different by the last two characters, so the switch is certainly doing something.
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CPUMotherboardGraphicsGraphics
i7 3930K @ 4.8Ghz offset ASrock X79 Extreme6/GB EVGA GTX680 FTW with EK waterblock EVGA GTX650 for PhysX 
RAMHard DriveHard DriveHard Drive
G-Skill 4x4GB DDR3 1866 8-9-9-24@1.5V Samsung 840 Pro 128GB Agility 3 240GB x2 RAID 0 WD 500GB X2 RAID 0 
CoolingCoolingCoolingCooling
XSPC Raystorm XSPC Dual Bay reservoir with Alphacool variable... Alphacool NexXxoS UT60 Full Copper Triple 120mm... EK GTX680 FTW waterblock 
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MouseMouse PadAudioAudio
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CPUMotherboardGraphicsRAM
960T unlocked to X6 ASUS M4A79XTD Evo Sapphire HD6870 1GB 2x2GB Ripjaws 7-8-7-24 F3-12800CL7D-4GBRM  
Hard DriveHard DriveOptical DriveCooling
Crucial M4 128GB WD 320GB HDD Lite-On DVD-RW Corsair H100 
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Win 7 x64 Ultimate OCZ Stealthstream 600W HAF XB 
CPUMotherboardGraphicsRAM
3570K P8Z77-I MSI 560 Ti TF2 Samsung 20nm 
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EVGA Hadron Air Denon receiver/ Polk audio 
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SFF: HADRON
(10 items)
 
CPUMotherboardGraphicsGraphics
i7 3930K @ 4.8Ghz offset ASrock X79 Extreme6/GB EVGA GTX680 FTW with EK waterblock EVGA GTX650 for PhysX 
RAMHard DriveHard DriveHard Drive
G-Skill 4x4GB DDR3 1866 8-9-9-24@1.5V Samsung 840 Pro 128GB Agility 3 240GB x2 RAID 0 WD 500GB X2 RAID 0 
CoolingCoolingCoolingCooling
XSPC Raystorm XSPC Dual Bay reservoir with Alphacool variable... Alphacool NexXxoS UT60 Full Copper Triple 120mm... EK GTX680 FTW waterblock 
OSMonitorPowerCase
Windows 7 64 bit Ultimate HP tSS-25X11LED 25" 1080p PC Power&Cooling Silentpower 910W Xigmatek Elysium 
MouseMouse PadAudioAudio
Razer Deathadder 3500 Rocketfish Creative Sound Core3D Logitech Z5300 
CPUMotherboardGraphicsRAM
960T unlocked to X6 ASUS M4A79XTD Evo Sapphire HD6870 1GB 2x2GB Ripjaws 7-8-7-24 F3-12800CL7D-4GBRM  
Hard DriveHard DriveOptical DriveCooling
Crucial M4 128GB WD 320GB HDD Lite-On DVD-RW Corsair H100 
OSPowerCase
Win 7 x64 Ultimate OCZ Stealthstream 600W HAF XB 
CPUMotherboardGraphicsRAM
3570K P8Z77-I MSI 560 Ti TF2 Samsung 20nm 
Hard DriveCoolingOSMonitor
Crucial M500 Kuhler 620 Windows 7 x64 52" Samsung LED TV 
CaseAudio
EVGA Hadron Air Denon receiver/ Polk audio 
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