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This chapter describes how to connect your computer system to an Ethernet network using the integrated 3Com Peripheral Component Interconnect (PCI) 3C905b-TX net- work interface controller (NIC). The NIC provides all the functions normally provided by a separate network expansion card.

The integrated NIC includes a Wakeup On LAN feature that enables the computer to be started up by a special local area network (LAN) signal from a server management console. Wakeup On LAN capability allows remote computer setup, BIOS upgrades, software downloading and installation, file updates, and asset tracking after hours and on weekends when LAN traffic is typically at a minimum. For instructions on using this feature, see “Wakeup On LAN” in Chapter 3.

NOTES: The Wakeup On LAN feature functions even when the computer is turned off; however, the computer must be plugged into a working electrical outlet at all times and must be shut down in the normal method expected by the operating sys- tem. Thus, if you disconnect the system power cable from the electrical outlet, if a power failure occurs, or if you shut down the system abnormally, the Wakeup On LAN feature will not work.

When Wakeup On LAN is enabled in the System Setup program, the green link integ- rity indicator on the NIC connector (see Figure 5-1) remains on when the computer is turned off.

This chapter also provides instructions for configuring the NIC under the Microsoft Windows NT 4.0 operating system.

NOTE: The NIC drivers for systems running a Dell-installed Windows NT 4.0 operating system are automatically detected and installed. Instructions for reinstalling these NIC drivers are included later in this chapter.

Using the Network Interface Controller 5-1