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The first thing that you need to do this procedure is own any manufactures reference designed HD 6950 card. Then you need a Flash drive that has enough space to fit Win Boot Files and the needed files to do this. You will also need ATIFLASH v 3.85 or 3.79 and the correct 6970 reference card BIOS, which you can get from the Internet or email me and I will gladly send it to you. In order to make my Flash drive a bootable device I had to use a program called the HP USB Disc Format Tool, version 2.1 or higher will work and you can download that file here. You can also download the Win98 Boot Files Here.
First run the HP utility and format your Flash drive, then make the drive a bootable device by directing the HP utility to the Win98 boot files and this will make the drive bootable to a DOS screen. Then restart your computer and hold down the F8 key and when the prompt screen comes up choose removable device, if your system boots into a DOS window with a C: prompt you have done this correctly. Then restart your system and drag the ATIFLASH and new BIOS onto the FLASH drive. I would rename the files to the following: change the ATIFLASH to simply atiflash and 6970 BIOS file to simply 6970.bin, this will make it easier to remember when prompted. After this we will move on to step 2. If you want install and run GPUZ, which can be found here. This will show you the amount of processing cores, shaders, and both memory and core clocks that your reference HD 6950 has. Take a screen shot to compare it to the card after you Flash it to an HD 6970 and check out the differences. The procedure you are about to undertake is called a forced flash and this will make the HD 6950 accept the new HD 6970 BIOS.
