Connect the display
Connect your display as shown in the illustration below. Depending on the display, you
may have one or more cables to connect. Check the instructions that came with the
display for additional setup information.
You can connect two displays with Digital Visual Interface (DVI) connectors to the
display ports on the back of your Mac Pro.
You can connect any Apple display to either port. For full resolution on a 30-inch Apple
Cinema HD Display, use DVI port 1.
FireWire 400 port