2-10 CHAPTER 2: SETUP FOR CUSTOM INSTALLATIONFigure 2-10 I/O Range Assigned to the NIC Screen9 Write down the I/O range setting displayed in the list box(or click Print, if you are connected to a printer), and thenclick Next.When you configure the NIC using the 3Com Installation Wizard,you must make sure that this setting matches the value displayedon the NIC Configuration Settings screen. See Figure 3-2.Windows 95 copies the required files to your hard disk. The3Com Installation Wizard starts.CAUTION: I/O base address 0x110 is reserved for systemresources. If this address is assigned to a hardware device inyour PC, contact your network administrator before continuing.The next step is to use the 3Com Installation Wizard to install NICsoftware and configure the NIC. Go to Chapter 3.Windows NT SetupThis section describes how to set up your Windows NT 3.51 or4.0 system environment to install the 3C509B NIC using the3Com Installation Wizard Custom installation option.WARNING: If you are installing multiple 3C509B NICs in aWindows NT PC, you must follow the specific procedure providedin “Installing Multiple NICs in a Windows NT PC” in Chapter 5.