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[Tutorial] ATIWinFlash - How to flash the BIOS of your ATI Cards

post #1 of 151
Thread Starter 
( If you only have one BIOS chip on your card, flash the only BIOS at your own risk )


Usually You have two BIOS positions on your card: (switch) Switch! (Click to show)
#1: Unlock BIOS (You can flash this one)
#2: Lock BIOS (This is the default BIOS you can't flash)


It is important to save the BIOS #1 even if you have two BIOSes (BIOS can have different clock state)

How to save a Backup of your BIOS using GPU-Z! (Click to show)




Now first step is to download ATIwinflash


Then extract it on your Computer and insert the BIOS you want to use in that folder like this : (In this Case, the wanted BIOS is 7970XFX.rom ) (Bios collection Link at the end of the post)

It is also important to take note of the LOCATION of ATIwinflash.exe for further use





Now go in start menu and write cmd.exe in search and open command prompt (cmd.exe) with right-click and "Run as Administrator
How to open Command Prompt (Click to show)




Once open, write the location of ATIwinflash with CD before the command (Since ATIWinflash is on my D:, I need to write D: then enter first, as shown here)




Then enter will give you this window






Now, write this command : atiwinflash -f -p 0 "NAME of the BIOS".rom then enter. In my case its atiwinflash -f -p 0 7970XFX.rom




Then enter and the Flash Will proceed





When complete it will show a windows like this one and will ask you to reboot. (Do it unless you have more than one card to flash)






Crossfire Cards biggrin.gif


So the "0" in "Atiwinflash -f -p 0 7970XFX.rom " meant the first Card

0 : First PCIe Slot
1: Second PCIe Slot
2: Third PCIe Slot
3: Forth PCIe Slot

So if you have 4 Cards you will have to enter those commands (No need to reboot between each flash, but very important to reboot at the end of the last flashed card)

atiwinflash -f -p 0 7970XFX.rom
atiwinflash -f -p 1 7970XFX.rom
atiwinflash -f -p 2 7970XFX.rom
atiwinflash -f -p 3 7970XFX.rom






DONE




GPU BIOS Collection

ATI has 3,595 different BIOSes
Nvidia has 4,185 different BIOses

Edited by KaRLiToS - 5/8/13 at 10:10pm
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post #2 of 151
Thanks for the great tutorial. I might need to resort to this if updating drivers / MSI Afterburner don't fix my Club3D HD 7870 freezing/hanging issues.
    
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post #3 of 151
Nice read. I remember doing this like a million times after bricking my card smile.gif
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post #4 of 151
Thank you for the tutorial. If you are flashing BIOS #1, should you currently be on BIOS #2 or does it not matter?
post #5 of 151
Thread Starter 
If you are flashing BIOS #1, you need to put the BIOS switch at #1. I usually do it before booting the PC.

Lets say your borked your BIOS flashing and the BIOS #1 is now corrupted and you can't boot into windows using that BIOS

-Turn Off PC
-Put the swtich back to BIOS #2
-You restart PC running "Locked" BIOS (#2)
-Under Windows: You flip the GPU Bios switch back to #1
-Proceed to a normal flashing of the BIOS
-BIOS#1 is now repaired

thumb.gif
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post #6 of 151
Bookmarked and +repped. TY.

Are there any BIOS for 7970 that allow you to increase voltage above 1.3? Does anybody have any recommendations for different ones to try? I am cuurently at 1200/1700 and 1.275 with a max temp of 46c in farcry3.
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post #7 of 151
I lack the balls to do this, my 7850 doesn't have any bios switch and the VRM lack heatsink.
Good to know it can be done on windows desktop instead of USB drive boot.
post #8 of 151
Good article...very useful thumb.gif
post #9 of 151
Thread Starter 
Quote:
Originally Posted by Nevk View Post

Good article...very useful thumb.gif

Thanks a lot. tongue.gif
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post #10 of 151
Good read! thumb.gif
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Overclock.net › Forums › Graphics Cards › AMD/ATI › [Tutorial] ATIWinFlash - How to flash the BIOS of your ATI Cards