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nVFlash Commands

Discussion in 'NVIDIA' started by Flava0ne, Apr 28, 2010.

  1. Flava0ne

    Flava0ne

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    Can someone please refresh my memory and tell me again what's the command line used in nVFlash to flash your GPU BIOS? I'm using nVFlash v5.88. I had the command line saved in a .txt file but I think I might have deleted it sometime ago. Thanks! :)
  2. Tatty_One

    Tatty_One Senior Moderator Staff Member

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    nvflash -4 -5 -6 newbios.rom

    Edit: I think that Command Line might be specific to the newer 5.88.
    Flava0ne says thanks.
  3. Live OR Die

    Live OR Die

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    there is a new version that 4.88 there 4.91 as i can recall and you only need to type nvflash XXX.rom to flash now
    Flava0ne says thanks.
  4. Flava0ne

    Flava0ne

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    Thanks man, I just downloaded it from the downloads section! :)
  5. Live OR Die

    Live OR Die

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  6. hat

    hat Maximum Overclocker

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    nvflash -b bios.rom
    to pull the bios from the card

    nvflash bios.rom
    to flash the bios to the card

    If you have more than one card...

    nvflash --list
    to see what cards you have and what index they've been assigned

    nvflash --index=x bios.rom
    to flash to a specific card in a multicard system, where x is the index number from the nvflash --list command

    nvflash -f bios.rom
    to force flashing, you probably don't need this
    Beertintedgoggles and Flava0ne say thanks.
    Crunching for Team TPU
  7. Flava0ne

    Flava0ne

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    Thanks, but I already have a bootable ISO image that I downloaded from Bootdisk.Com! I'm also a registered UltraISO Premium User. It's the only program I use for all types of disc images! ;P

    My EVGA GTX 275 1792MB Video Card should be arriving any minute now. I just want to flash the BIOS on it to run at the same clocks as my MSI GTX 275 Lightning 1792MB Video Card so that they'll both be identical when I run them both in SLI.

    Thanks man, I didn't even know about those other commands for nVFlash! :)
    Last edited: May 4, 2010
  8. Flava0ne

    Flava0ne

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    I just got the EVGA GTX 275, but when I try to read its BIOS in NiBiTor 5.4, I get this error??? I've also gotten the exact same error when I tried to read my MSI GTX 275 Lightning BIOS.

    [​IMG]
  9. hat

    hat Maximum Overclocker

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    You have two options...

    Boot to nvflash and use the nvflash -b command

    Try using GPU-Z... there's a little clickable microchip with a green arrow coming out of it next to the thing that says BIOS revision. It will spit out a .bin file, but nvflash doesn't use .bin. W1zzard says you can simply rename it to a .rom and it will work, but I prefer opening it in NiBiTor and saving it as a .rom because I'm anal. Actually, I prever using nvflash to get the BIOS off the card...
    Flava0ne says thanks.
    Crunching for Team TPU
  10. Flava0ne

    Flava0ne

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    Thanks man, I was able to edit the EVGA's BIOS to match up with my MSI! :)
  11. Flava0ne

    Flava0ne

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    I created a bootable USB flash drive and placed the nVFlash files along with my original and modified BIOS.rom files in it. But I can't boot into it??? The only option I'm able to select in my BIOS as the first boot device is, Removable (which I tried), Hard Disk, CD ROM, and Other (which I tried as well).
  12. Live OR Die

    Live OR Die

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    your usb stick should so up under HDD in the ESC boot menu and you will get a error if you don't add the dpmi folders
  13. hat

    hat Maximum Overclocker

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    Stop, before you hurt yourself. You should never flash a BIOS from one vendor (like an MSI card) to another (like an EVGA card). If you're going to flash a BIOS, get the bios from that specific card using nvflash -b, edit it, and re-flash it.

    Look in your USB options in your BIOS. My board has something called USB emulation or something, I set it to HDD, then I boot from it.
    Crunching for Team TPU
  14. Flava0ne

    Flava0ne

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    Well, I don't think I can boot from my USB drive. But I downloaded your nVFlash.iso file, placed my BIOS.rom in it using UltraISO, then burnt it onto a disc. But when I booted into it, I get an I/O Error message saying it can't read the bios.rom file??? Do I also need to add the nVFlash files to the ISO?

    No, I didn't switch up the BIOS's. I simply modified my EVGA BIOS to have the same clocks as my MSI card. I'm not going to flash my EVGA card with my MSI BIOS, LOL

    I don't have any USB options in my BIOS that I can select.

    This was so much easier when my floppy drive was still working. :(
  15. Live OR Die

    Live OR Die

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    all you need to do is rename your bios file to BIOS.ROM thats all and hit y to flash , NVFLASH cant be run off a cd man if i remember it don't work.
  16. Flava0ne

    Flava0ne

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    I guess I'll just get myself another floppy drive, they're not expensive at all anyways and it'll make it a lot more easier.
  17. Live OR Die

    Live OR Die

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    it should be easy booting from USB man, you should have a boot menu like this i use to have that board [​IMG]
  18. Live OR Die

    Live OR Die

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    Flava0ne says thanks.
  19. Flava0ne

    Flava0ne

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    Yeah man, I was originally trying to boot up with it connected to my HP printer's multi-card slot, but it wasn't showing up. So I connected my 3.5" multi-card reader drive and connected it directly to my board's USB header and I was able to select my memory card from the hard disk boot priority menu. All is well now, I successfully flashed my EVGA card BIOS to match up with my MSI card! :)
  20. Live OR Die

    Live OR Die

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    nice going :toast:

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