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R6950 TF III dual-bios/fan-speed switch ? - Page 3

post #21 of 73
Quote:
Originally Posted by hirolla888 View Post
LOL! Wow there is serious miscommunication happening here. I give up.
I actually don´t understand what´s so hard to get.

Almost every 6950 has a Dual BIOS and a BIOS switch.
For example with the reference cards you get BIOS 1 which contains the stock 6950 BIOS and BIOS 2 which contains nothing.
When you then flash BIOS 2 of this card and something goes wrong you can still flash back to BIOS 1.

Got it so far?


The problem with the Twin Frozr III is that the Dual BIOS meaning both BIOS 1 and BIOS 2 contain fan profiles Idle and Performance.

And my question is if it is possible to remove those profiles from BIOS 1 and BIOS 2 in order to replace one of them with a 6950 Stock BIOS to have a back up that you can switch to like with the reference 6950´s.
Because if you don´t do that and you for example flash BIOS 1 to unlock the Twin Frozr III BIOS 2 will still contain a fan profile and if you hit the BIOS switch there will be nothing except the fan profile to flash back to.

Got it now?
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post #22 of 73
Just unlock the shaders and overclock. Do not try to flash to 6970 on a non-reference 6950 like that -- you could end up bricking it. Infact, I'm nearly certain you will.
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post #23 of 73
Thread Starter 
Quote:
Originally Posted by hirolla888 View Post
It's perfectly safe to flash from Windows.

Use ATi WinFlash

Link: http://www.techpowerup.com/downloads/261/

To unlock the shaders back up your bios using GPU-Z (click the little black chip with the green arrow coming off it), then use that bios to flash your card.

Full instructions: http://www.techpowerup.com/articles/...ng/vidcard/159

N.B Just don't flash your card with a 6970 BIOS as the guide says, use your own BIOS (the one you backed up)
1. backup my bios
2. load it with RBE
3. Change the bios to "6970 shader count" only
4. save the bios
5. flash it with ATIwinflash\\ATIflash

right ?

EDIT:
Kung Pow,
I backed up both bios
and i checked it with MD5summer

they are 2 different bios !

this is the first bios according to the MD5 hash (Silent)
http://www.techpowerup.com/vgabios/9....110131_1.html

this is the second bios according to the MD5 hash (Performance)
http://www.techpowerup.com/vgabios/9...48.110131.html

Kung Pow, can you do the same step the confirm that you got 2 different bios ?
and give me the md5hash ?
Edited by Kirma - 5/14/11 at 2:48am
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post #24 of 73
Quote:
Originally Posted by Kung Pow View Post
I actually don´t understand what´s so hard to get.

Almost every 6950 has a Dual BIOS and a BIOS switch.
For example with the reference cards you get BIOS 1 which contains the stock 6950 BIOS and BIOS 2 which contains nothing.
When you then flash BIOS 2 of this card and something goes wrong you can still flash back to BIOS 1.

Got it so far?


The problem with the Twin Frozr III is that the Dual BIOS meaning both BIOS 1 and BIOS 2 contain fan profiles Idle and Performance.

And my question is if it is possible to remove those profiles from BIOS 1 and BIOS 2 in order to replace one of them with a 6950 Stock BIOS to have a back up that you can switch to like with the reference 6950´s.
Because if you don´t do that and you for example flash BIOS 1 to unlock the Twin Frozr III BIOS 2 will still contain a fan profile and if you hit the BIOS switch there will be nothing except the fan profile to flash back to.

Got it now?
The quick start guide calls that swtich on the card a BIOS switch, so I assume that there are 2 BIOSes each with a different modded fan profile.

Lets say you flash the card's BIOS 1 which has the "Idle" fan profile, and for some reason it doesn't work and you want to go back... just flick the switch to BIOS 2 with the "performance" profile and that will take you back to your stock bios only with a different fan profile (which you can change in the software anyway). From what I understand there are 2 BIOS chips on the card, the two fan settings are actually 2 BIOSes with different settings for the fans thats all. To check this yourself just take the cooler off and see if there are 2 BIOS chips simple as that.

If you look earlier in this thread "Chalderm" managed to unlock his card using this tutorial http://www.ocdrift.com/2011/04/msi-r...locking-guide/ Which pretty much says to do what I said in all my earlier posts.

I really hope this clears things up. The two 'fan' profiles are TWO BIOSes with different fan profiles, they're not just a fan profile switch (at least according to the manual that comes with that card).

THIS IS WHAT I WOULD DO:

- Check to see there are 2 BIOS chips on the PCB

IF there is then:

- Back up my BIOS using GPUZ
- Put the card in the "performance" BIOS mode
- Flash the card using WinFlash from windows or atiflash tool (requires usb boot) using modded BIOS.

IF ANYTHING GOES WRONG:

- Reflash your card with your original BIOS

Done.
post #25 of 73
Quote:
Originally Posted by kirma View Post
1. Backup my bios
2. Load it with rbe
3. Change the bios to "6970 shader count" only
4. Save the bios
5. Flash it with atiwinflash\\atiflash

right ?

Edit:
Kung pow,
i backed up both bios
and i checked it with md5summer

they are 2 different bios !

This is the first bios according to the md5 hash (silent)
http://www.techpowerup.com/vgabios/9....110131_1.html

this is the second bios according to the md5 hash (performance)
http://www.techpowerup.com/vgabios/9...48.110131.html

kung pow, can you do the same step the confirm that you got 2 different bios ?
And give me the md5hash ?
yes!
post #26 of 73
Quote:
Originally Posted by hirolla888 View Post
From what I understand there are 2 BIOS chips on the card, the two fan settings are actually 2 BIOSes with different settings for the fans thats all. To check this yourself just take the cooler off and see if there are 2 BIOS chips simple as that.
Wrong.

The Twin Frozr III has two BIOS which either contain fan profiles and fan profiles only.


If you flashed BIOS 1 something goes wrong and you switch to BIOS 2 there would be nothing, because BIOS 2 only contains a fan profile and nothing else!!!

There is no 6950 BIOS + the fan profile in either of the two BIOS´s ...both BIOS 1 and BIOS 2 of Twin Frozr III ONLY contain the fan profiles.
By that I mean they only consist of coding which´s only purpose is to control the fans.

Which is why I have asked for the 10000 th time now , if it is possible to remove or overwrite them with a normal 6950 stock BIOS so there would be something to flash back to if the unlock goes wrong.
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post #27 of 73
Thread Starter 
kung pow,
Reference card have same bios on both switch
but the TF III card have 2 different bios !!
so if smth goes wrong, just flash it back to SilentBIOS\\PerformanceBIOS
I'm almost sure that you have the same bios's as my
1.S "9c52c64e4496d33c7a001075ef2e5553"
2.P "672b39e9acba246049b4ff46dc8da071"

hirolla888, ok thanks.
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post #28 of 73
Quote:
Originally Posted by Kirma View Post
kung pow,
Reference card have same bios on both switch
but the TF III card have 2 different bios !!
so if smth goes wrong, just flash it back to SilentBIOS\\PerformanceBIOS
I'm almost sure that you have the same bios's as my
1.S "9c52c64e4496d33c7a001075ef2e5553"
2.P "672b39e9acba246049b4ff46dc8da071"

hirolla888, ok thanks.
That is wrong!

MSI intentionally hardcoded the two BIOS of the Twin Frozr III with fan profiles to prevent people from unlocking it.

You people need to understand that there is not trace of a 6950 stock BIOS on each BIOS 1 or BIOS 2 of the TWF III.
They only contain coding for the fans to either operate in silent or performance mode and NOTHING ELSE.

Which is why I again have to ask if it is possible to reverse or remove those hardcoded fan profiles in order to replace them with a stock 6950 BIOS to flash back to.

Please understand already
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post #29 of 73
Thread Starter 
Quote:
Originally Posted by Kung Pow View Post
That is wrong!

MSI intentionally hardcoded the two BIOS of the Twin Frozr III with fan profiles to prevent people from unlocking it.

You people need to understand that there is not trace of a 6950 stock BIOS on each BIOS 1 or BIOS 2 of the TWF III.
They only contain coding for the fans to either operate in silent or performance mode and NOTHING ELSE.

Which is why I again have to ask if it is possible to reverse or remove those hardcoded fan profiles in order to replace them with a stock 6950 BIOS to flash back to.

Please understand already
WE UNDERSTARD IT ! T
he 2nd bios it's not realy bios. its only contain fan profile and you want to flash it to real BIOS, right ??

but it's weird..
who told you that ?

I'm still think that the TF III contain two different bios, this is my opinion ! (Don't try to kill me please :])
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post #30 of 73
Quote:
Originally Posted by Kung Pow View Post
That is wrong!

MSI intentionally hardcoded the two BIOS of the Twin Frozr III with fan profiles to prevent people from unlocking it.

You people need to understand that there is not trace of a 6950 stock BIOS on each BIOS 1 or BIOS 2 of the TWF III.
They only contain coding for the fans to either operate in silent or performance mode and NOTHING ELSE.
Source/Proof?
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