Usually You have two BIOS positions on your card: (switch)
#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!
>>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:
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
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
NOTE: 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 you broked 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
#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!
>>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:
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
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
NOTE: 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 you broked 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
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