Important networking information for Mac OS X users
All Macintosh computers are equipped with the AppleTalk protocol, and most new Macintosh systems include the TCP/IP protocol. However, it's possible that neither protocol is active on your computer. Choose a topic below to check to see whether the protocol of your choice is active on your computer. In these procedures, we'll also check to be sure that Ethernet is selected as your LAN technology.
Checking and activating the AppleTalk protocol
Checking and activating the TCP/IP protocol