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6850 Toxic flash to 6870

post #1 of 19
Thread Starter 
I know that a 6850 is unable to flash to a 6870 under normal circumstances, but after digging around, I found that my 6850 Toxic has an identical pcb to a 6870 (as far as I can tell, from looking at pics). I haven't been able to find an instance where the 6850 Toxic has been attempted to be flashed to a 6870, so I wanted to give it a shot, just to see if it would work. Please let me know if you know of an attempt to do this, in order to save time, and possibly bricked gpu.

I am by no means expecting this to work, so what is the probability of me being able to recover? All of the recovery instructions I have read involve booting with a second gpu, but my mobo only has 1 pcie slot. Does this mean I'm out of luck, or can I just boot without the card, and then install it once the system is running?

Thanks in advance for any help.
post #2 of 19
You wont be able to do it as you would need the working card in slot 1 and the bricked card in slot 2

However your board does have onboard VGA so you could use that and flash your card back
post #3 of 19
Thread Starter 
But how would I boot using the onboard with the card installed? Would I just boot normally and then install the card, once I'm in windows? Or is there an option in the bios to boot using the onboard, instead?
post #4 of 19
Quote:
Originally Posted by kartcrg84;14243922 
But how would I boot using the onboard with the card installed? Would I just boot normally and then install the card, once I'm in windows? Or is there an option in the bios to boot using the onboard, instead?

Yes, go immediately into bios and select the "on board video" option. Or just reset CMOS. I do not think that is guaranteed to work though, some boards automatically disable on board VGA when a discrete card is detected.
Edited by Chuckclc - 7/17/11 at 1:57am
post #5 of 19
Quote:
Originally Posted by Chuckclc;14243951 
Yes, go immediately into bios and select the "on board video" option. Or just reset CMOS. I do not think that is guaranteed to work though, some boards automatically disable on board VGA when a discrete card is detected.

And if you dont have a card installed in the PCI Express slot it should default to the onboard if its plugged in
post #6 of 19
Quote:
Originally Posted by Riskitall84;14243974 
And if you dont have a card installed in the PCI Express slot it should default to the onboard if its plugged in

Yes, but dont go trying to install the graphics card while the system is running, not that I think you would. If it does not default to your onboard graphics, reset the CMOS, then it should boot with onboard graphics.
post #7 of 19
Thread Starter 
Thanks guys, I might give this a shot tomorrow, if I can convince myself that my card won't get bricked tongue.gif
post #8 of 19
Quote:
Originally Posted by kartcrg84;14244049 
Thanks guys, I might give this a shot tomorrow, if I can convince myself that my card won't get bricked tongue.gif

Not recommended, but good luck. You should go in planning on bricking the card, and if that doesnt happen feel lucky. wink.gif
post #9 of 19
There are a select few 6850s that can unlock. I know GanjaSMK has one (or is getting one) its a pretty rare occurrence though, not as common as the 465s. If you are confident that you know what your doing, I would go for it. Just make sure you have all the steps written down(or memorized) incase you need to blind flash.
 
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Media Server
(12 items)
 
 
CPUMotherboardGraphicsGraphics
i7 4770K MSI Z97S Krait XFX RX 480 Black Edition XFX RX 480 Black Edition 
RAMHard DriveHard DriveOptical Drive
G.Skill Trident X 2666mhz Intel 530 Sandisk Extreme Pro LG WH14NS40 
Optical DriveCoolingOSMonitor
LG WH16NS40 Noctua NH-D14 Win 10 64-Bit BenQ XL2730Z 
KeyboardPowerCaseMouse
Logitech G710+ Seasonic Platinum 1000w Fractal Design R5 Zowie FK1+ 
Mouse PadOtherOther
XTrac Ripper XXL  4 x Vardar F-4 120mm (2x NH-D14, 2x Bottom Intake) 3 x Vardar F-3 140mm Intake (two front, one side) 
CPUMotherboardGraphicsRAM
Intel Celeron J1800 QNAP Proprietary  Intel HD Graphics Crucial 8GB Kit 
Hard DriveHard DriveHard DriveHard Drive
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post #10 of 19
Thread Starter 
Just out of curiosity, what are the chances that the card will be bricked, and even a blind flash will not fix it? I understand that there is a chance of bricking any card that you flash, but how significant is the likeliness of it happening in this situation, compared to others (such as standard overclocking purposes, or the 6950 unlock)?
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