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Unlocking 6950 to 6970 TwinFrozr II

post #1 of 13
Thread Starter 
Hey I Have really really big problem with my non-reference card TwinFrozr II from MSI

I unlocked my card in order to have 1536 unified shaders based on TechpowerUp walktrough . So I used ATIWinflash and I flashed some bios from MSI . But it was a mistake to do that. My card after restarting my pc hasnt been booting (VGA boot failure, RED LED)
I didnt check before, that my card is nonreference, so it doesnt have a dual bios switch.

So I read couple tutorials how to fix like this particulary this:
If you don't have a dual BIOS switch and you cannot boot up from the card, remove the card from your system, install it in a 2nd PCIe slot and install a working card in the first slot. You can then boot up from the first card. After you boot up, you can install the drivers for the 1st video card but not for the one that you just attempted to modify the BIOS on. Do not reboot if requested. Now follow steps 10-13 using the "original.bin" BIOS you saved and using "1" in place of "0" for the commands you type. The "1" is so that the 2nd card is flashed and not the 1st card which is not the one you wish to flash. Be very careful to use "1"s and not "0"s this time, because the card is no longer in the 1st PCIe slot.

10) Open up the command prompt (Start->All Programs->Accessories) you may have to right click and run as adminstrator
11) Change to the ATI Winflash directory with the command "cd C:\winflash" or what ever directory you saved it in
12) Type "atiwinflash -unlockrom 0" (the "0" stands for the first PCIe card installed, "1" will work for the 2nd card)
13) Type "atiwinflash -f -p 0 modded.bin" (the "0" stands for the first PCIe card installed, "1" will work for the 2nd card)


So I purchased MSI 6450 graphic card (the cheapest which Ive found).
And placed it to the pci-exprees_1 and my non bootable card to pci_express_2 slot.
And it comes..
Booting is ok but my pc freezes during windows 7 loading screen (very strange behaviour isnt it)
(Before it I installed only the new card and install AMD drivers, it was all ok - maybe some crossfire problem? - dont know I dont have exp with this)
I tried also safe mod (with and without command prompt) it boot ok (I see booth cards in manager)

But when I want to run my AtiwinFlash sw it doesnt work (it says pls run as administrator, which I do) I also tried this in command prompt way - the same result)

I also tried another very similar sw ATIflash (but it says that doesnt support 64bit architecture, which is big nonsense also)

I want to try the last solution which I saw and that is download windows98 boot to command prompt a run it from there (ATIflash) since it may help to work properly.


And other ideas with this infinite problem?
Thanks for anything!
post #2 of 13
Take out your 6950. First boot the PC with 6450 only normally. Reinstall AMD driver. Then put 6950 back in and try again.

Did you read the bottom of that guide?
Quote:
Update 2: Above method is only for 2 GB HD 6950 reference design cards. If you have a custom design or 1 GB card, then use RBE to modify your existing BIOS. Save the BIOS from your card, load it into RBE, enable the shader unlock option on the last tab, then flash that modified BIOS to the card instead of the one downloaded from this page.

Hopefully you did not just flash a Sapphire 6970 BIOS onto your MSI card.

Not all 6950 can be unlocked. IIRC MSI Twin Frozr is pretty much a hit or miss.
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post #3 of 13
Thread Starter 
Quote:
Originally Posted by trumpet-205 View Post

Take out your 6950. First boot the PC with 6450 only normally. Reinstall AMD driver. Then put 6950 back in and try again.
Did you read the bottom of that guide?
Hopefully you did not just flash a Sapphire 6970 BIOS onto your MSI card.
Not all 6950 can be unlocked. IIRC MSI Twin Frozr is pretty much a hit or miss.

Thanks but I dont see a point with reinstall ATI drivers, which drivers you are talking about? If I put 6450 card its different drivers for that card (Im confused)

I didnt try RBE so far, I will definately try it (combination Atiwinflash +RBE, but I dont think it will run in safe mode) and then I try Atiflash from bootable device (windows 98)
I will let know
post #4 of 13
Quote:
Originally Posted by Mailo34 View Post

Thanks but I dont see a point with reinstall ATI drivers, which drivers you are talking about? If I put 6450 card its different drivers for that card (Im confused)
I didnt try RBE so far, I will definately try it (combination Atiwinflash +RBE, but I dont think it will run in safe mode) and then I try Atiflash from bootable device (windows 98)
I will let know

When you install Radeon driver the installer configures the GPU. Hence when you put an entirely different GPU in you need to reinstall the Radeon driver.

So you did flash a Sapphire BIOS onto MSI card!
eek.gif

Still have your original backup BIOS right?
Edited by trumpet-205 - 4/17/12 at 8:50am
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post #5 of 13
Thread Starter 
Quote:
Originally Posted by trumpet-205 View Post

When you install Radeon driver the installer configures the GPU. Hence when you put an entirely different GPU in you need to reinstall the Radeon driver.

So you did flash a Sapphire BIOS into MSI card!
eek.gif
Still have your original backup BIOS right?

OK now I see what you mean ok I wil give a try and reinstall drivers and then I will try both cards to both to windows

And no I flashed this bios http://www.techpowerup.com/vgabios/100445/MSI.HD6970.2048.110310.html

Also do I need crosfire "connection" ? I dont have exp with this
Edited by Mailo34 - 4/17/12 at 8:52am
post #6 of 13
Quote:
Originally Posted by Mailo34 View Post

OK now I see what you mean ok I wil give a try and reinstall drivers and then I will try both cards to both to windows
And no I flashed this bios http://www.techpowerup.com/vgabios/100445/MSI.HD6970.2048.110310.html
Also do I need crosfire "connection" ? I dont have exp with this

In my opinion just take your original MSI 6950 BIOS. Use RBE on it, then flash it back to the card. Like I said, not every 6950 unlocks, it may very well be that your card is permanently locked.

You do not need crossfire connection. That is only needed if you are running 2x 6950/6970 together.
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post #7 of 13
Thread Starter 
Quote:
Originally Posted by trumpet-205 View Post

In my opinion just take your original MSI 6950 BIOS. Use RBE on it, then flash it back to the card. Like I said, not every 6950 unlocks, it may very well be that your card is permanently locked.
You do not need crossfire connection. That is only needed if you are running 2x 6950/6970 together.

Well I think if it would have been locked, I wouldnt have even flashed it for the first time.
post #8 of 13
He's referring the the shaders being locked, not the bios. Once you re-install the drivers but with the 6450 installed then it should not freeze when starting up normally, even with the 6950 in the second PCIE slot. Since you had drivers configured for the 6950 card it probably tried to initialize the card while loading the drivers, and froze your system. Once your drivers are configured for the other card(6450) it should no longer have trouble starting with the 6950 installed.

Then flash it back to stock and you should be running again, assuming that the wrong bios did not damage your 6950.
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post #9 of 13
I think the best course of action would be to put the 6950 in the secondary slot and the cheap GPU in the primary slot, create a bootable USB stick and use that to flash your original BIOS back onto the card through DOS. I'd be surprised if you did get Windows to boot with the 6950 installed. If you do flash through DOS, you'll have to be sure to specify which GPU you're flashing. Once the 6950 is fixed, I suggest trying to unlock your card the same way I did mine -- making a copy of my cards stock BIOS and unlocking the shaders with it, instead of using somebody else's BIOS.
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post #10 of 13
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Quote:
Originally Posted by tehmaggot View Post

I think the best course of action would be to put the 6950 in the secondary slot and the cheap GPU in the primary slot, create a bootable USB stick and use that to flash your original BIOS back onto the card through DOS. I'd be surprised if you did get Windows to boot with the 6950 installed. If you do flash through DOS, you'll have to be sure to specify which GPU you're flashing. Once the 6950 is fixed, I suggest trying to unlock your card the same way I did mine -- making a copy of my cards stock BIOS and unlocking the shaders with it, instead of using somebody else's BIOS.

Yea thats exactly what Im going to do as a last posibility - unlock shaders
or I heard that http://www.vortez.net/articles_pages/msi_r6950_twin_froz_iii_power_edition_unlocking,1.html is also working (Its Twinfrozr III) but it works also for II.
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