I've got a MacPro 4,1, already updated firmware to 5,1 firmware. Runs great.
If I upgrade to High Sierra, it wants to update my firmware to the HS version.
Can I still multi-boot to Sierra after this firmware updating? Are there any other multi-boot issues after HS update?
If I upgrade to High Sierra, it wants to update my firmware to the HS version.
Can I still multi-boot to Sierra after this firmware updating? Are there any other multi-boot issues after HS update?