Step 1:  Find your Network (Ethernet) Address in Mac OS X

• Go to System Preferences
• Click the Network button
• Select Show:  Built-in Ethernet
• Click the Ethernet button on the right side of the bar
• Write down the Ethernet ID

Step 2:  Register your Network (Ethernet) Address
(Watch the video:  How to register your wireless network address)

• Login to http://my.tcu.edu/ 
• Click Helpful Links from the menu
• Choose the link:  TCU Network Registration

• For the Subnet/Connection Type, choose:  ResNet
• Fill in the Network (Ethernet) Address
• Fill in Computer Operating System Type:  Macintosh OS X
• Click the Create New Ethernet Address Information button

Step 3:  ResNet Setup for Mac OS X

• Go to System Preferences
• Click the Network button
• Select Show:  Built-in Ethernet
• Click TCP/IP button on the bar
• Select Configure:  Using DHCP
• Click Apply Now button