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NiBitor BIOS Flash GTX 580 - Page 2

post #11 of 14
Thread Starter 
Quote:
Originally Posted by pioneerisloud;13744728 
800 core should be easy enough honestly. I can pull off up to 925 stable with 1.15v. So you've got plenty of room left to go. wink.gif
I will consider this in the future. I can still further overclock this with software.

Update:

I just played a few games. No problems. Getting 3 to 6 frames higher than stock settings. The card is also running cooler than it was. Not sure why that is.

So basically, I flashed the BIOS of a stock GTX580 so that it would run (stock) at the settings of a Black Ops GTX580. The reason I did not simply flash to the EVGA GTX580 Black Ops Bios is that it is a different vender and that might cause some weird check-sum mismatch.

The way I did this was very easy:
  1. Used GPUZ to back up my GTX580 BIOS.
  2. Made a copy of that and saved it to a flash drive as a contingency.
  3. Downloaded a copy of the EVGA GTX 580 Black Ops BIOS
  4. Compared the two. (its under Firmi tools in the menus)
  5. Changed voltages & clock settings to match those of the Black Ops.
  6. Upped the lower fan range to 75%.
  7. Saved the modified file as 580mod.bin
  8. Put my modified BIOS on the bootable USB flash drive.
  9. Turned off PC & Disconnected all drives.
  10. Booted off of flash drive. (using a FAT32 flash drive formatted with HPUSBFW)
  11. Flashed to 580mod.rom. (using nvflash.exe)
  12. Hit Ctrl & Alt & Delete to soft reboot, made sure I still had a picture.
  13. Powered off, connected drives, rebooted into Windows.

Edited by Majestic_Lizard - 6/4/11 at 10:35pm
    
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post #12 of 14
Why didn't you just do it from windows...
    
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post #13 of 14
Thread Starter 
Quote:
Originally Posted by MR KROGOTH View Post
Why didn't you just do it from windows...
....because the application is supposed to run in DOS.

Running the application in the command prompt within windows is not a good idea. Any type of interruption, such as a software fault or update process, may brick the card.
Edited by Majestic_Lizard - 6/4/11 at 10:42pm
    
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post #14 of 14
Quote:
Originally Posted by Majestic_Lizard View Post
....because the application is supposed to run in DOS.

Running the application in the command prompt within windows is not a good idea. Any type of interruption, such as a software fault or update process, may brick the card.
This is correct!!

If you are flashing a card or a motherboard ALWAYS do it from DOS,otherwise you're facing a great possibility to end up with a bricked HW..

CHEERS..
     
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