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GTX 580 Bios Flash

post #1 of 19
Thread Starter 
Hey guys, I've been trying to flash the bios on both of my GTX 580's, but I've run into a problem, and I was hoping you could help me out.

I've been following all of the instructions in this thread:
http://forums.bit-tech.net/showthread.php?t=207368

Everything seems to work alright, except for when I boot up the Windows 98 files and try to run NvFlash. I type in the command to flash to the new bios and hit enter, but every time I do this it tells me there is an error because the file is not a .rom file.

Normally this would make sense and be an easy fix, but the problem is that I did save the new bios as a .rom file, and NvFlash just refuses to read the file for whatever reason.

Any idea on how I could fix this?
post #2 of 19
wow, i wouldnt dare to flash worlds fastest singel gpu card.
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post #3 of 19
Thread Starter 
I normally wouldn't either, but it's the only way to get higher clock speeds out of it because the current bios limits the voltage to 1.15V. They're supposed to be able to go up to 1.2V.

It's not like I'm flashing it to a brand new bios either. It's just a tweaked version of the current bios. All it does is put the max voltage limit up to 1.213V instead of 1.15V.
Edited by Vortex88 - 11/21/11 at 2:09pm
post #4 of 19
Thread Starter 
Ok, so I've solved some things and I've also run into other problems.

I did some looking around, and apparently the file name can't be more than 8 characters long, so I shortened the name. After that I started running NvFlash again, and it looked like it was going to work until I ran into another error. After running the command it told me this:

"Checking for matches between display adapters...
Adapter: GF 100B (10DE, ....)

Adapter: GF 100B (10DE, ....)
Overriding PCI subsystem ID mismatch

No matches found."

I did a little more looking around and I thought I found a fix, but it only led me to another error.

I typed in this command this time: "C:/nvflash.exe --index=0 -4 -5 -6 overvolt.rom"

So it went through it's normal thing again and asked me some questions, all of which I had to answer yes to in order to begin the flashing process. Then the flashing process started, but I ultimately got this error:

"Error: PCI Block corrupted"

I searched around a little more after that, but I can't seem to figure out what the problem is. Other people were saying that it was because people weren't using updated software, but everything I used for this is the latest version (GPU-Z, NiBitor, NvFlash, etc.) I really have no idea what is going on here, and I know this bios flash is working easily on other people's GTX 580s.

Anyone here know what the problem is?
Edited by Vortex88 - 11/25/11 at 12:09am
post #5 of 19
Wish I could help you, but I havn't tried it myself before.

I would try posting on the nvidia forums as well to see if they can help you there.
post #6 of 19
There's proper instructions somewhere here which I used the first time I did it.. there's no need to use that 'boot from USB'. All I do is:

- get BIOS using GPU-z (saves it as a .bin file)
- mod it to what I want using Nibitor 6.03
- save the file (as a .rom file)
- flash it using the nvflash in windows (version 5.1)
- reboot so it takes effect

add: as it's the same BIOS you're using, it shouldn't be asking to by-pass all those things you are (my 580CUII wanted the protection turned off but nothing about not checking sub-system etc).
Edited by error-id10t - 11/30/11 at 2:44am
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post #7 of 19
Thread Starter 
How did you get NvFlash to work within windows? It won't work for me within the OS, and supposedly it doesn't work with 64-bit operating systems.
post #8 of 19
i flashed my gtx 460 with windows 7 x64.
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post #9 of 19
Thread Starter 
Can I ask how? Because every time I try to run it in windows it tells me that it's not compatible with 64-bit operating systems.
post #10 of 19
Not sure if it's the version you're using? Works fine here.. looking at the directory is has 3 files:

nvflash.exe
nvflsh32.sys
nvflsh64.sys

NVIDIA Firmware Update Utility (Version 5.100)
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