[Official] NVFlash with certificate checks bypassed for GTX 950/960/970/980/980Ti/Titan X - Page 96 - Overclock.net - An Overclocking Community

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[Official] NVFlash with certificate checks bypassed for GTX 950/960/970/980/980Ti/Titan X

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post #951 of 954 (permalink) Old 12-23-2018, 07:00 PM
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Quote: Originally Posted by Laithan View Post
Looks like you are close... and figured out the naming convention. If you are certain that BIOS is compatible, perhaps you just need to pass some command line parameters to force the flash..

ie: -6 (You can also try renaming either .text or .data to nvflash.exe. One of them looks to me like the flash program renamed. )

Flashing should always be with admin rights, go to the properties of the .exe and check off "Run as administrator", I couldn't tell if that command prompt had elevated rights or not.

however that version of NVFLASH would not have the certificate checks bypassed so you might be stuck. Did you try every single version posted in the OP and at TechPowerUp? I think you are really going to need one with the checks bypassed...since this is a BIOS mismatch flash. If all of the bypassed versions are unable to detect your GPU then you may be stuck...


That's from using this version from techpowerup: https://www.techpowerup.com/download...atch-disabled/

This version seems to get the furthest, but nvflash crashes at that point. No beeps. I did see that some of the older versions in the OP here could identify the card, but they had issues too. Here's a screenshot from those, including one that made it the furthest:

I don't think they'll get any further because they lack the Board ID Mismatch override like that one version that crashes. I was gonna attempt to contact the person who modified that version, but it's too bad none of the versions here are able to do that + identify the board at the same time!
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post #952 of 954 (permalink) Old 12-23-2018, 08:21 PM - Thread Starter
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Bummer.... so close but yet so far...

GIGABYTE GTX 9xx G1 GAMING BIOS Tweaking
  ̿̿ ̿̿ ̿̿ ̿̿̿'̿'\̵͇̿̿\з=༼ຈل͜ຈ༽=ε/̵͇̿̿/'̿'̿ ̿ ̿̿ ̿̿ ̿̿  
░▒▓│ FORKAY‼ «  » WΘΘT ‼ │▓▒░
Xeon E5-1680 V2 (IVY-E) Inside


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post #953 of 954 (permalink) Old 12-23-2018, 08:42 PM
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Quote: Originally Posted by Laithan View Post
Bummer.... so close but yet so far...
I'll try and pick the most auspicious of the versions in this thread and link it to them (Vipeax is the username) with a request for the same kind of mod.
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post #954 of 954 (permalink) Old 12-27-2018, 05:51 PM
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Is there a version of nvflash available with the inforom validation checks disabled? I screwed up the contents of one of the BIOS chips on a 980Ti Classified by cross-flashing another vendor's ROM and when I attempt to recover, I get this:

Quote:
Identifying EEPROM...
EEPROM ID (C8,4012) : GD GD25Q20 2.7-3.6V 2048Kx1S, page
Error preserving Inforom Image.

ERROR: Failed to merge Inforom image.
Edit: never mind, I figured out a way to force it to flash. I flipped the BIOS selection switch after nvflash had verified the existing image but before erasing and programming, and then wrote known good ROMs to both positions afterward. The card is fixed.

Last edited by terminx; 12-27-2018 at 06:53 PM.
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