Reboot and select as Boot device the USB Dongle.On this folder put the files from AtiFlash download and the Rom file from the previous step (6). Inside the mounted USB Dongle create a folder and name it “AtiFlash”. Plug the Bootable DOS USB Dongle on your Mac Pro running Windows or your PC.(Mine was named like this on this card model).Rename it to “7950.rom” to be readable with full name in DOS. After this process you will have a file that probably will be named as “”. Follow the netkas directions to the letter EXCEPT the above noted one.

I wonder why this isn’t mentioned there already… NOTE: netkas has made a misspelling on the card id number, instead of 697a as he has wrote, YOU SHOULD write 679a. This is the goal of this guide after all. Go to netkas forum and download the bundle to convert your original rom to an EFI one so you can get Boot Screens.If you don’t have access to DOS, go here and download the files, create a bootable USB dongle using the step by step guide in this page.Next to Bios Version there is a button that lets you save the current Rom to file. Select the 7950 card from the list on the bottom. Start Windows, go here and get TechPowerUp GPU-Z.Hook up your card on your Mac Pro or your PC on a secondary PCI slot.AtiFlash to flash the EFI Rom to your card.An OEM EFI card for Boot Screens and Choices (like Ati 5770 in case you’re on a Mac Pro).Windows Partition on your Mac Pro or a Windows PC.

How to flash video card for mac