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STRIX 980Ti shipped with very, very strange vBIOS

post #1 of 18
Thread Starter 
GM200.zip 152k .zip file
2B.zip 152k .zip file

Hi all guys! I've finally got my Asus STRIX GTX 980Ti DC3OC card and obviously I was tweaking it in no time. In the first 10 minutes of messing around with Afterburner, GPU-Z, Valley Benchmark and 3D Mark 11 (way harder to pass without artifacts than Valley) I noticed something very strange about my card: Afterburner's voltage offset slider is set to a maximum of +50mV, it should have been +87mV. Even more strange is the fact that no matter what I set that slider to, the GPU will work at 1.200V under load. I instantly looked online for some kind of unlock tricks and I've found out a lot of you guys have your STRIXs locked to 1.212V if I'm not mistaken. I download a stock vBIOS from TPUP's archive (I attach that too, that's the one called "2B") and begin comparing it with all the unlocked vBIOSes I've found online. Well, they all match and there is not even ONE, nor stock nor unlocked, that is compatible with my card. Everytime I flash ANY of the other STRIX vBIOSes my card gets an instant crash everytime I open any kind of 3d software. I then proceed to compare all those vBIOSes with mine and "SURPRISE!", mine is so damn different from all of them. It looks like it's from a completely different card, but it's a STRIX GTX 980Ti DC3OC, same as the others and I double checked everything. Online reviews, overclocking guides, everything! This card should be able to get to +87mV, 1.212V out of the box and then it should be able to be flashed with any of the unlocked vBIOSes around to go up to 1.28V. Well, mine can't. It's hard capped at 1.200V no matter what, I even tried to unlock my own unique vBIOS and even if it looks unlocked (and after a bit of messing around I've actually managed to get the Afterburner slider to +87mV), the voltage is ALWAYS stuck at 1.200v under load. Now the fun part: I'm from Italy, and another italian user I've found on an italian overclocking forum has the exact same vBIOS, exact same absurd limitation. I've attached both my stock vBIOS and the TPUP vBIOS for the STRIX, and you all can see it is a lot different. Mine even has fewer CLK states active, the "Boost Table" tab from Maxwell Bios Tweaker goes up to 68 instead of 74, this is driving me crazy. The card can't be overclocked by a single MHz over the stock 1216/1317/1418MHz freq, I get artifacts on 3D Mark 11 at 1220/1321/1422, only FOUR MHz more than stock and I get artifacts and heavy coil whine and the other italian guy with my same BIOS is in this exact situation too. ASUS refuses an RMA since "the card works stable at the advertised frequencies". Please help me.
post #2 of 18
pardon my English, I'm from Barcelona.

?Researching internet and finish here, I have a similar problem. I have 2 gtx 980 oc you strix 6gb gaming in sli and has bios xx.xx2b and other xx.xx.xx81.

Tables have different voltages is a mess ... can not find anything regarding the bios .81. I have indications that a Bios a reference 980ti Nvidia Gtx modified to be inserted into a Asus Strix.

Does anyone know how to cancel the Nvidia Boost 2.0
post #3 of 18
Thread Starter 
Oh my god, I didn't even think about Nvidia Boost 2.0! What you are saying my friend makes a lot of sense actually, and it surely looks like they modded a reference GM200 BIOS to fit to the custom PCB of the STRIX. This is absurd anyway, because if I'm not mistaken the VRMs on this things are all the same, power phases are all the same (12+2+1, arent they?) so why the hell would they flash a reference BIOS into a reingineered GM200 card? Plus, when I extracted my vBIOS with GPU-Z I found out the name of said vBIOS is actually GM200.rom. Simple as that, it looks like you may be right. Plus, You're the fourth one I talk to with this problem, and the other 2 were italian and german. They may be selling a crippled version in europe only? Let's wait for someone (maybe mr-dark) to take a look at the rom I attached to the previous post, as you said it looks like a mess (especially the boost table tab).
post #4 of 18
Hello

first off all not all Strix 980 TI is voltage locked to 1.21v many cards unlocked to 1.28v or more! but also some people report what you say 1.21v limit! No idea why Asus do that for Strix card ( 970-980 )

about the OC ability sound like your card is low ASIC but you can try an unlocked bios with boost off maybe you will gain something.. check here post 5214 an custom bios for the same card by me

http://www.overclock.net/t/1517316/extract-and-flash-gtx-970-and-980-firmware-zosons-h2o-and-air-custom-bios/5210

If you willing to try custom bios check my Sig thumb.gif
   
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The White Dark
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post #5 of 18
Thread Starter 
Quote:
Originally Posted by Mr-Dark View Post

Hello

first off all not all Strix 980 TI is voltage locked to 1.21v many cards unlocked to 1.28v or more! but also some people report what you say 1.21v limit! No idea why Asus do that for Strix card ( 970-980 )

about the OC ability sound like your card is low ASIC but you can try an unlocked bios with boost off maybe you will gain something.. check here post 5214 an custom bios for the same card by me

http://www.overclock.net/t/1517316/extract-and-flash-gtx-970-and-980-firmware-zosons-h2o-and-air-custom-bios/5210

If you willing to try custom bios check my Sig thumb.gif

Hi!

Thanks for the help, but I'd ask you to take a look at exactly the vBIOS I've posted since it's different from any other vBIOS for the STRIX 980Ti. Plus, my card is not limited to 1.21 as you said, it is limited to 1.20. I know how to mod vBIOSes but even unlocking the voltage modding my own vBIOS always results in the same 1.200V and I'm finding more people every day sharing this problem. We all have vBIOS version 84.00.36.00.81 and man, I swear, it is not a normal 980ti vBIOS. Just open it with maxwell tweaker and do a side by side comparison with any of your 980ti vbioses, you'll see some tabs are totally different and impossible to edit.
post #6 of 18
Quote:
Originally Posted by Velxerz View Post

Hi!

Thanks for the help, but I'd ask you to take a look at exactly the vBIOS I've posted since it's different from any other vBIOS for the STRIX 980Ti. Plus, my card is not limited to 1.21 as you said, it is limited to 1.20. I know how to mod vBIOSes but even unlocking the voltage modding my own vBIOS always results in the same 1.200V and I'm finding more people every day sharing this problem. We all have vBIOS version 84.00.36.00.81 and man, I swear, it is not a normal 980ti vBIOS. Just open it with maxwell tweaker and do a side by side comparison with any of your 980ti vbioses, you'll see some tabs are totally different and impossible to edit.

The only difference I see the first voltage slider have limit to 1.21v I give you custom bios before but its not work for you .. sound like your card have voltage limit from the VRM

did you try Asus gpu tweak ? check for an bios update or something .. why asus do that now ? at the first time when the Strix cards out for Ti chip and many report 1.25v limit I say its good enough but now again 1.21v limit why!!!!
   
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post #7 of 18
Thread Starter 
Quote:
Originally Posted by Mr-Dark View Post

The only difference I see the first voltage slider have limit to 1.21v I give you custom bios before but its not work for you .. sound like your card have voltage limit from the VRM

did you try Asus gpu tweak ? check for an bios update or something .. why asus do that now ? at the first time when the Strix cards out for Ti chip and many report 1.25v limit I say its good enough but now again 1.21v limit why!!!!

Well I'd pay for 1.21 REAL limit, mine is even lower at 1.20! I know the bios says 1.212 but in reality anything you set for voltage gives 1.20v! Even if you mod that bios, the card will still cap at 1.20! It may be vrm limited as you say but why asus would do that? Plus, take a look at the "boost table" tab in maxwell tweaker and tell me if you've ever seen anything like that in a 980ti bios.
post #8 of 18
Quote:
Originally Posted by Velxerz View Post

Well I'd pay for 1.21 REAL limit, mine is even lower at 1.20! I know the bios says 1.212 but in reality anything you set for voltage gives 1.20v! Even if you mod that bios, the card will still cap at 1.20! It may be vrm limited as you say but why asus would do that? Plus, take a look at the "boost table" tab in maxwell tweaker and tell me if you've ever seen anything like that in a 980ti bios.

Honestly no idea why asus do that your card have good VRM so why the voltage limit at all!!!

You'r talking about the CLK 75-78 right ? it's okay the old kepler bios have those CLK (IDLE clock ).. did you try flashing another Strix bios ?
   
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The White Dark
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post #9 of 18
Thread Starter 
Quote:
Originally Posted by Mr-Dark View Post

Honestly no idea why asus do that your card have good VRM so why the voltage limit at all!!!

You'r talking about the CLK 75-78 right ? it's okay the old kepler bios have those CLK (IDLE clock ).. did you try flashing another Strix bios ?

Yeah I'm talking about that. The CLKs should be up to 75 on 980ti, while mine has max CLK set at 68. And yes, I've tried flashing another strix bios (including your unlocked vbios and a stock 2B one) and it resulted in INSTANT crashes as soon as I opened ANY application, exactly as if I'd flashed another card's vbios.
post #10 of 18
I have a mounted with bios 2b and another with 81, I could not tell if I like watching the locked voltage 1.2v not he look, sorry

What I can say is that without changing anything try putting the bios 2b in 81, 81 and flashed once, turn on lights, but when I run any game or load on the GPU driver gives failure and closes the application.

So I conclude that something must have plaque that originally came with the 81 that is not able to run the bios 2b.
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