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How to increase power limit by BIOS crossflash

Regeneration

NGOHQ.COM
Joined
Oct 26, 2005
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Since BIOS editing isn't possible since Maxwell. The alternative to increase power limit is to cross-flash to another BIOS with higher TDP. This method can also help with other BIOS-controlled features such as: minimum fan speed, fan stop feature, voltages, clock states, and more. However, there some rules that need to be accounted for:

1. Target BIOS must the same output connectors like your card. If you have: 1x DVI-D, 1x HDMI, 3x DisplayPort, the BIOS you're flashing must have the same.

connectors.png

2. Target BIOS must have the same Device ID like your card. This can be bypassed by using SPI flash programmer like FlashcatUSB or CH341A.

deviceid.png

3. Target BIOS must support the same memory and timing.

memory.png

4. It is desirable to have similar clocks but not a must.

5. Target BIOS must the same PCIe power configuration (e.g. single 8-pin, dual 6-pin) like your card. Different configuration may reduce performance and affect stability. That's something you won't see in the TPU database and have to look in the vendor's site.

msigtx1070-2.png msigtx1070.png

6. The power target and limit in the BIOS file are more important than the percentage power limit in MSI Afterburner.

powerlimit.png

How to flash?
Download modded NVIDIA NVFlash and extract it to the some folder. Copy the BIOS file(s) to the same folder.

Run cmd.exe with administrator privileges and navigate to the folder where you put the files:

CD C:\Fullpath\

***If the folder is C:\Users\David\Downloads\New folder use "CD C:\Users\David\Downloads\New folder\"***

Type: "nvflash64_patched_5.590.0 -a" to see which adapter id is the card you want to flash.

nvflash.jpg

And then type:

nvflash64_patched_5.590.0 --index=0 --protectoff
nvflash64_patched_5.590.0 --index=0 -6 filename.rom

***Change 0 to the correct adapter id, and filename.rom to the video BIOS file***

Troubleshooting
Sometimes NvFlash just like to "act up" for no good reason, if this happens, just reboot and try flashing again.
If you accidentally bricked the card, check out this guide to learn how to recover from a bad video BIOS flash.

This guide brought to you by the old house of ngohq.com. If you like it, please press on the like button to the right.
 
Last edited:

Regeneration

NGOHQ.COM
Joined
Oct 26, 2005
Messages
2,436 (0.45/day)
Good info... for enthusiasts.

I wonder how many threads this will spawn of people borking their BIOS though... :p
New threads of "flashed the wrong BIOS" appear every day even without my help.

At least, now they have a better reason rather than being suspicious of eBay merchants.
 

Jabz

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Jun 12, 2020
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hi, I have tried crossflashing my Palit GeForce GTX 1650 Super StormX OC with various different bios brands and keep rebooting into green static. Fortunatley i am able to see through the static and reflash to my backup. I am trying to increase my power limit for a higher clock as i know it can go higher. my load temp doesnt go over 60 with a oc at the moment. Am i missing something please advise
 

Regeneration

NGOHQ.COM
Joined
Oct 26, 2005
Messages
2,436 (0.45/day)
hi, I have tried crossflashing my Palit GeForce GTX 1650 Super StormX OC with various different bios brands and keep rebooting into green static. Fortunatley i am able to see through the static and reflash to my backup. I am trying to increase my power limit for a higher clock as i know it can go higher. my load temp doesnt go over 60 with a oc at the moment. Am i missing something please advise
Try this one, if it doesn't work, some cards have a unique design and cannot be crossflashed.
 

od1n

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Jun 16, 2020
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Awsome! Thank you so much for this thread. :respect:
I purchased an MSI GTX 1070 Aero but unfortunately it's min. PL was 95W instead of 75W which my other GTX 1070 have. This is important for mining. For example when mining HNS i get nearly the same Hashrate with PL set to 75W and 95W. So I searched and tried a lot of bioses. Finally I found one working perfektly: Palit GTX 1070 Dual
Flashed with Linux (HiveOS), checked force flash (because of different subsystem ID) and ... boom it works! :peace:
 

SaltyNuggets

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Jul 7, 2020
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Thanks for the guide. My gigabyte 1650 was loud because it was locked to 60% fan speed, but after changing the bios the card is silent at idle!
 
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Processor Ryzen 7 PRO 2700 @ 4.2GHz
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Cooling Thermalright LE GRAND MACHO RT
Memory 2x8GB Patriot Viper Steel 3533MHz 14-14-14-28
Video Card(s) RTX 2070 SUPER WITH RAIJINTEK MORPHEUS II
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Software Windows 10
Thank you for this guide, I was able to find correct vbios and successfuly flash it on my OEM HP RTX 2070 SUPER. I successfully flashed GALAX RTX 2070 Super HOF vbios which has 320W power limit!
 

j4r3k

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Jan 15, 2020
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@Regeneration
I run this BIOS currently https://www.techpowerup.com/vgabios/213099/asus-rtx2070super-8192-190623 with AIO on GPU. I would like to increase power limit, is following BIOS safe for me?

Second question is: will I benefit from it? Right now if temps are low, like <48C card boosts itself to 2070 MHz, from 48C it drops to 2055 MHz. The card is OCed in Afterburner +110 Core, +900 Mem, Power limit 120%, Voltage +100%.
 
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