Apple Mac Pro (Early 2009) - Manual (Page 92)

92 Chapter 4 Problem, Meet Solution
Note: If you connect your computer directly to a configurable Ethernet switch, have
your network administrator disable the spanning tree protocol on that port. Otherwise
your computer may duplicate the AppleTalk address of another computer on the same
network and both network connections may become unreliable.
Learning More, Service, and Support
If your Mac Pro needs service, take it to an Apple Authorized Service Provider or
contact Apple for service. You can find more information about your Mac Pro through
online resources, onscreen help, System Profiler, or Apple Hardware Test.
If you didn’t order AirPort wireless technology with your Mac Pro, contact an Apple
Authorized Service Provider or an Apple Store to purchase it and have it installed.
Online Resources
For online service and support information, go to www.apple.com/support. Choose
your country from the pop-up menu. You can search the AppleCare Knowledge Base,
check for software updates, or get help from Apple’s discussion boards.
Onscreen Help
You can often find answers to your questions, as well as instructions and
troubleshooting information, in Mac Help. Choose Help > Mac Help.