0 Fan mode nvflash

[T0MMEN]

So im kinda late too the races. But i was following this guide that linus was refering to, where you could get 0 fan mode. And when i try to flash the new bios to my gpu, this error comes:  

 

C:\nvflash>nvflash -6 980bios.rom

NVIDIA Firmware Update Utility (Version 5.412.0)
Simplified Version For OEM Only

ERROR: No longer supports WoW64 flasher.


 

C:\nvflash>nvflash64 -6 980bios.rom

NVIDIA Firmware Update Utility (Version 5.412.0)
Simplified Version For OEM Only
Checking for matches between display adapter(s) and image(s)...

Adapter: GeForce GTX 980      (10DE,13C0,19DA,2368) H:--:NRM  S:00,B:01,D:00,F:00

Current      - Version:84.04.1F.00.8B ID:10DE:13C0:19DA:2368
               GM204 Board (Normal Board)
Replace with - Version:84.04.1F.00.8B ID:10DE:13C0:19DA:2368
               GM204 Board (Normal Board)

Update display adapter firmware?
Press 'y' to confirm (any other key to abort):
Identifying EEPROM...
EEPROM ID (37,3012) : AMIC A25L020 2.7-3.6V 2048Kx1S, page
Command id: 0x3000000E Command: NV_UCODE_CMD_COMMAND_VV failed
Command Status: NV_UCODE_CMD_STS_COMPLETE
Error Code= 0x00000011: NV_UCODE_ERR_CODE_CMD_VBIOS_VERIFY_BIOS_SIG_FAIL

BCRT Error: Certificate 2.0 verification failed

BIOS Cert 2.0 Verification Error, Update aborted.

Nothing changed!

ERROR: Invalid firmware image detected.