Mounting the EFI drive using the command diskutil mount /dev/.Figure out the EFI disk using the diskutil list.Open the terminal and run the following commands to make your EFI drive bootable (bless) To boot into recovery mode hold down the Command (⌘) + R key after turning on the Mac Pro.įollow the instructions on the official OpenCore documentation to OpenCore your Mac. Note: I used my original graphic card while I was trying to boot into the recovery drive.
#Mac pro 5.1 thunderbolt card update
I got an alert asking to merge or update the contents. I already had a EFI folder within the drive.
#Mac pro 5.1 thunderbolt card install
Install flashrom using brewĬopy Contents of MacPro5.1 OpenCore.zip file into the mounted EFI drive The blue and the green chips that need to be flashed have a small dot with their respective colors. Unscrew the 4 philips head screws to expose the PCB: Once you unbox your titan ridge card it should look like this: Source: Gigabyte Website Link Disassemble GC-Titan Ridge Here is a information about the package contents of Gigabyte GC-Titan Ridge Card Link. My Upgrade Journey Gigabyte GC-Titan Ridge Card package contents