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Bricked my 6950, unable to reflash

post #1 of 55
Thread Starter 
So I tried unlocking my 6950 2GB TwinFrozr II to a 6970. I tried to flash the BIOS directly but it said "System ID mismatch" or something on the winflash file.

So I googled the issue and on techpowerup, there was a guy who presented the following solution:

- Unpack the Winflash download onto your desktop in a folder called "winflash"
- Save the 6970 BIOS in your Winflash folder and name it unlock.bin
- Click Start Button
- Type "cmd"
- Right click the entry and select "Run as Administrator"
- Black command prompt windows opens
- Type "cd %USERPROFILE%\desktop\winflash"
- Type "atiwinflash -unlockrom 0" <-- the 0 means first adapter, if you have multiple cards, physically uninstall all but the one you want to flash
- Type "atiwinflash -f -p 0 unlock.bin"
- It should complete the flashing process with a message saying something with "verified".




This solution worked and I was able to flash the BIOS without the ID-error message. However, the BIOS bricked my 6950 and it now no longer works.

I am using a 9400GT in my first slot and 6950 in my 2nd slot to reflash the proper bios. However, this is not working with RBE/Winflash since again it says system-ID mismatch since it now has the 6970 ID and not the original 6950 ID.

I tried using the CMD command in the above instructions to flash the 6950 bios but it doesn't work. I also tried the techpowerup guy's batch file that is suppose to auto re-flashback a 6970 into the 6950.... The thing runs successfully but however it doesn't work. My GPU is still bricked with the wrong bios with 0 Core and 1700+Mhz memory in GPUz.

__________________________________________________________________________________


So, does anyone know how I can either completely erase the GPU bios,
or bypass the write-protected checksum values to flash the 6950 bios?

Or can I somehow edit a 6950 bios to make it have the same checksum value as a 6970?
Edited by Bluescreendeath - 5/15/11 at 12:22pm
post #2 of 55
Obvious question, sorry...but have you got a bios switch on the card?

If so you can just boot into the write protected A bios and switch it over to B an try the flash again.
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post #3 of 55
Thread Starter 
post #4 of 55
Quote:
Originally Posted by Bluescreendeath;13470141 
Nope, I just found out after bricking it that my TwinFrozr II is non-ref without the switch... >_<</div>

Im not sure if that voids the warrenty or not, but i'd ask around before you call MSI.
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post #5 of 55
RMA time.
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post #6 of 55
THen all I can suggest is to try throwing different 6970 bioses at it to see if any stick. If one does then try flashing back to a 6950.

Doesn't look good, though frown.gif

edit: when I read that back it sounded like pretty reckless advice, actually; you're prolly better ignoring it biggrin.gif
Edited by fluxlite - 5/11/11 at 4:14pm
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post #7 of 55
I would suggest you to try flashing it back to the stock BIOS if you want to RMA it. They can refuse to RMA it if they test and find out that you flash the bios.
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post #8 of 55
It sounds like you're not doing something right.

How about instead of using atiwinflash you use a bootable USB/flopp and use ATIFlash?
post #9 of 55
Quote:
Originally Posted by JMCB;13470186 
It sounds like you're not doing something right.

How about instead of using atiwinflash you use a bootable USB/flopp and use ATIFlash?

Non ref 6950 isn't supposed to be flashable to begin with.
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post #10 of 55
Thread Starter 
ATIflash - every time I try to use it it says something about 32bit/64bit error?
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