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NVIDIA Maxwell VBIOS mods - 900m series overclocking versions

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Hi all! I have a Lenovo P50 with a Quadro M2000M, and i would like to overclock it a bit. Im using nvidia Inspector, and i can OC the GPU +135 Mhz. But i cant OC the memory, its locked. I would happy if somebody can unlock my vbios. I tried to save my current bios with GPU-Z, but i get: "BIOS reading not supported on this device" error. Any advice?

 

Thank you!

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3 hours ago, M4X1mumG said:

Hi all! I have a Lenovo P50 with a Quadro M2000M, and i would like to overclock it a bit. Im using nvidia Inspector, and i can OC the GPU +135 Mhz. But i cant OC the memory, its locked. I would happy if somebody can unlock my vbios. I tried to save my current bios with GPU-Z, but i get: "BIOS reading not supported on this device" error. Any advice?

 

Thank you!

Hi!

In your case vbios it's a part of main system bios, therefore GPU-Z and Nvflash can't save vbios. In this case to modify vbios, you need read main  system bios dump with hardware SPI programmer (like CH341A), then modify this file, and then flash it back with hardware SPI programmer (like CH341A).

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Hi All,

     Successfully flashed vbios at the beginning of this thread on dual 980Ms in order to fix power throttling issue but now I get a grey or sometimes black screen during game start. Originally had 416.94 drivers. Uninstalled and downgraded to 388.13 with no change. Any Ideas?

 

Specs:

M18X R2

Windows 10 UEFI (temporarily reverted to Legacy for mnvflash)

dual 980M 8GB SLI

dual 330W Power Adapter mod

stock 388.13 drivers

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