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[GUIDE] NVIDIA VBIOS flashing

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Is anyone kind enough to offer me some first hands experiences from a MSI gt70 one with gtx680m and the flashing of a new vbios and the effects of that. I dont want to damage my comp because i didnt register for warranty xD.

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Svl, could you possibly help me? I keep getting problems with EEPROM while flashing, could you tell me the problem? I'm using SLI btw.

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I keep getting problems with EEPROM while flashing, could you tell me the problem? I'm using SLI btw.

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It's hard to help if you don't tell me what the actual problem is...

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Well, I can only seem to be able to flash one GPU, the other just gives me an error when I try to flash saying "EEPROM not supported"

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I have GT 650M SLI if that helps.

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Lenovo Y500? Then read the instructions in the Y500 mod thread.

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Okay, it seems that I've done it, but for some reason MSI Afterburner won't let me turn up the clock speed more than 135 mhz. Is there a special process to overclocking?

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Nevermind, so I have two GPUs the index tells me their #s are 0 and 1, 1 flashes completely fine, but 0 keeps giving me an error that says "EEPROM not supported" despite the fact that the cards are Identical

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The #0 gpu should be primary and the #1 should be the slave right? If so the #0 should be flashed first without any problems.

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Well, when I try to do it, I keep getting the same error "EEPROM not suppported"

However, GPU #1 flashes fine without any problems whatsoever, I can't even turn off the EEPROM protection on GPU #0

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You didn't read the Y500 instructions... :hopelessness:

There's no chip for the on-board GPU, the vbios is part of the bios. You can't flash it per nvflash.

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So, I started the process for unlocking from square one, but when I open Insydeflash for the Y500 Bios 2.02 I get the error that says "Bios compare error".

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Does anyone know if nvflash for windows is ok to use with windows 8? I have a medion with 670mx and would like to flash unlocked bios to it.

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Use the DOS version for flashing mobile cards as you can't easily recover from a bad flash.

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Does anyone know how to boot dos from a usb drive on Windows 8? Im trying to work it out..I used rufus and tried booting through the usb device but it keeps skipping it and going to Windows. I have a Clevo P170EM, I have the latest bios and vbios for gtx680m but I cant get into dos on bootup :(

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Does anyone know how to boot dos from a usb drive on Windows 8? Im trying to work it out..I used rufus and tried booting through the usb device but it keeps skipping it and going to Windows. I have a Clevo P170EM, I have the latest bios and vbios for gtx680m but I cant get into dos on bootup :(

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Thanks a lot for this guide. I've never really gotten into OCing or any sort of modding like this but with my new laptop I really want to get into unlocking the full potential of my card and using unlocked bios and even some OCing. I had no clue where to start and this explains everything perfectly, thanks.

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Advise needed!

My situation: I've got second gtx670mx from the same seller I've earlier got my first gtx670mx. First card works like a charm. Second appears not functional. I've realised that when new arrived card was installed in master mxm slot, computer start booting wiht black/empty screen, three beeps, crasy spin of fan, emergency shut down and as a result - system crush.

The seller advised to flash faulty card with stock vBIOS from my working card to avoid replacement procedure.

So I've performed attempt of blind flash in master slot and also tried to flash in slave slot. NVFLASH (the latest) does not see mentioned card in slave mxm slot. So all attemps were unsuccessful.

Any tricks or tips for the situation? What else can be performed prior to sending card to RMA?

Thank you in advance!

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What kind of notebook do you have?

Clevo m980nu (sager)

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Svl7, where did the fermi unlocking BIOSes go? I can't find them on here and I have a laptop that I'd like to see what it's capable of with an improved BIOS. (It's a GTX 675m)

Jason

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I would like to ask about this symptom: the card is not recognized and NVFLASH even can not see it in DOS in second (SLAVE) mxm slot.

Does it mean wrong vBIOS (or empty EEPROM) or this can be physical defect of card? How it can be fixed?

Thanks in advance!

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That most likely means that your system is not set up the way that it can flash a bricked gpu... don't think this can be fixed in your case, not familiar with your system.

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