Changing General NIC Configuration Settings 47Changing General NIC Configuration SettingsTo change the NIC general configuration settings, such asnetwork driver optimization, duplex mode, and media type:1 Make sure that the NIC is installed and is connectedto the network and that the driver is installed.2 Start the 3Com NIC Diagnostic program.a Open the Windows Start menu.b Select Programs, and then select 3Com NIC Utilities.c Click 3Com NIC Doctor.The 3Com NIC Diagnostic General screen (Figure 8) appears.Click Help to obtain general information about the functionof a screen. To obtain specific information about any topicon a screen, click the question mark (?) in the upper rightcorner of the screen, move it over a topic, and click once.3 If your PC has more than one NIC installed, open theNetwork Interface Card (NIC) list box and select theNIC to be configured.Boot PROM Enables or disables the NICs boot ROM (if a bootROM is installed on the NIC).n Enabledn DisabledMedia Type Determines the type of media your network is using.n Auto Select allows the NIC to automaticallyselect the Media Type for you.n If you set the NIC Duplex setting toAuto Select, the Media Type is automaticallyset to Auto Select.n If you manually set the NIC Duplex setting, youmust manually set the Media Type setting.n Auto Selectn 10BASE-T(10Mb/s)n 100BASE-TX(100Mb/s)Table 7 NIC Configuration Settings (continued)Option Description Settings
