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HOWTO: nVidia BIOS Flashing - Page 50

post #491 of 507
Optimus, try this:

"nvflash --protectoff"

It will then ask which lane you want to turn protection off on. Select the lane number, lets say it's lane 1. Hit 1 and press enter.

Now try flashing using this command "nvflash --index=1 -4 -5 -6 biosfilename.rom"
Index value is the lane you want to flash.

Also, if you use any capital letters in the bios file name you have to use those caps in the command. It is cap sensitive.

I've flashed cards with bioses from other models to see what would happen and have always been able to flash it back.
    
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post #492 of 507
Quote:
Originally Posted by PizzaMan View Post
Optimus, try this:

"nvflash --protectoff"

It will then ask which lane you want to turn protection off on. Select the lane number, lets say it's lane 1. Hit 1 and press enter.

Now try flashing using this command "nvflash --index=1 -4 -5 -6 biosfilename.rom"
Index value is the lane you want to flash.
Thank you very much for the help i tried doing what you said. I believe i tried it before unsuccessfully

I'm posting the following information Reference for anyone looking. Hopefully soon i will experiment on actually replacing bad eeprom flash chips and document it.

I've tried absolutely everything except for Physically REPLACING the Flash ROM Chip. I found the Chip for under $1 dollar but even though i'm very interested in trying this method i would rather just get stop now and sell it for parts. I would be really curious and it sounds rather fun but maybe on another card another time >_O

From what i've seen in an obscure instance on mvktech, someone else had this problem with a GTX 280 which showed up as a GTX 295. ( NVFLASH 5.7 and up shows it as a GTX 295 and most definitely supports the eeprom on the card)

so far my conclusions are this

-- Someone tried flashing the Card and Botched the Flash Rom completely.
Where it is unable to be physically jumped back to its virgin/original state by connecting pins CE# and Ground.

-- GTX 295 may be what 200 series cards show up as when a flash has gone terribly wrong

-- Something else has been damaged and either flashing no longer works or flashing wouldn't solve the problem.

Here are some pictures i took.






Edited by OptimusPrime - 6/26/11 at 10:01pm
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post #493 of 507
I don't have a floppy drive.
Also, I can't find my bios (EVGA GT240 512mb, internal codename GT215).
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post #494 of 507
Quote:
Originally Posted by tenfold View Post
I don't have a floppy drive.
Also, I can't find my bios (EVGA GT240 512mb, internal codename GT215).
Well, besides the fact that you could've quite easily done this, instructions are given on the first page on how to use a flash drive instead..

I have to ask though, if you haven't even found another / a better BIOS for your GPU, why do you want to flash another one anyway? Unless you're having compatibility issues with other hardware, you really have no reason to need to change it..
post #495 of 507
It wouldn't make it perform any better?
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post #496 of 507
See here.

It shows you how to flash from Windows; it is safe and it works if you follow the steps.
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post #497 of 507
Quote:
Originally Posted by tenfold View Post
It wouldn't make it perform any better?
There's a nice write up on graphics card BIOS upgrades on HardwareSecrets. Short of changing the base clock speeds of a BIOS before you flash it to a card, the only improvements you'll get from a newer BIOS version would be better compatibility and/or stability. And even then only if it was something the manufacturer found wrong that needed to be fixed or tweaked.

So.. In short: no, just flashing a new BIOS won't make your card faster.
post #498 of 507
So I would get better stability for my overclock? I'm stable at 610MHz from 550MHz stock.
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post #499 of 507
Quote:
Originally Posted by tenfold View Post
So I would get better stability for my overclock? I'm stable at 610MHz from 550MHz stock.
As I said:
Quote:
Originally Posted by ZaLiTH View Post
...the only improvements you'll get from a newer BIOS version would be better compatibility and/or stability. And even then only if it was something the manufacturer found wrong that needed to be fixed or tweaked.
post #500 of 507
Fair enough. I was just asking because I was unsure.
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