5 Configuring the NIC32Configuration MethodsThe NIC can be configured using any of the methods listed in the table below.Changing General NIC Configuration SettingsBefore you configure the NIC, make sure that the: NIC is installed in the PC and is connected to the network. Driver is installed. 3Com NIC Diagnostics program is installed.To change the NIC general configuration settings, such as network driver optimization,duplex mode, and media type:1 Open the Windows Start menu.2 Select Programs, and then 3Com NIC Utilities.3 Click 3Com NIC Doctor.The 3Com NIC Diagnostics General screen appears.NOTE: This chapter describes how to configure the NIC using the 3Com NICDiagnostics program for Windows. For instructions on using the other methods,see the file or section mentioned in the table.Method Description Requirement(s)3Com NIC Diagnosticsprogram for WindowsConfigure the NIC locally using the 3Com NIC Diagnostics programfor Windows:1 Make sure that the 3Com NIC diagnostics program is installed.See “Installing the 3Com NIC Diagnostics Program” on page 23for instructions.2 Open the Windows Start menu.3 Select Programs, and then 3Com NIC Utilities.4 Click 3Com NIC Doctor.Windows 2000, Windows XP,Windows Me,Windows 98, Windows 95, orWindows NT 4.0Advanced tab in the WindowsDevice ManagerConfigure the NIC locally using the Advanced tab in the WindowsDevice Manager.Refer to your Windows documentation for instructions.Windows XP orWindows 20003Com Configuration andDiagnostics program for DOSConfigure the NIC locally using the 3Com Configuration andDiagnostics program for DOS:1 Copy the 3C90xcfg.exe file from the EtherCD to a diskette.2 Reboot the PC using a DOS-bootable diskette.3 Insert the diskette containing the 3C90xcfg.exe file in the PC.4 Enter at the DOS prompt:a:\3c90xcfg.exeSee the DOSDIAG.TXT file located in the HELP directory on theEtherCD for more information.Customers running Japanese DOS must switch to U.S. mode DOSbefore running this program.DOS, Windows NT 3.51,Windows 3.x, or Windows forWorkgroupsDMI 2.0s Configure the NIC remotely using the 3Com DMI Agent software.See Appendix C, “Installing the 3Com DMI Agent,” for moreinformation.3Com DMI Agent and aDMI-compatible browser or anetwork managementapplication that supportsDMI 2.0s