Latest EFI update: OK for Snow Leopard?
System requirements for the most recent EFI update are 10.8.5 and 10.9.5. I have both installed on my 2010 Mac Pro, but I also have two Snow Leopard drives. Is there any risk to the Snow Leopard systems in applying the EFI update?
Mac Pro, Mac OS X (10.6.8), 3.2 GHz Quad-Core, 24GB RAM