3-6 CHAPTER 3: INSTALLING THE NETWORK DRIVERS
12 Click Yes to restart your PC. 
The driver installation is complete.
Windows NT Version 3.51 
Follow these steps to install the network driver in a PC 
running Windows NT version 3.51:
1 Install the 3C509B NIC and connect it to the network 
as described in Chapter 2.
2 Restart the PC.
3 Start Windows NT.
4 In the Control Panel, double-click Network.
a If you have a NIC already installed, in the Network 
Settings window, select the existing 3Com NIC in the 
Installed Adapters group.
b Click Remove.
c Click Yes in the confirmation window.
d Click OK in the Network Settings window and then 
click Restart Now.
e After rebooting, repeat steps 3 and 4.
5 In the Network Settings window, click Add Adapter.
6 In the Add Network Adapter window, select 
<Other> Requires disk from manufacturer.
7 Click Continue.
8 Insert the EtherDisk diskette in floppy drive A 
and click OK.
9 In the Select OEM Option box, select 
3Com EtherLink III ISA Adapter (3C509B). 
10 Click OK. 
The bus location window appears. 
11 Click OK.
Windows NT copies the files from the EtherDisk diskette. 
If you are prompted for network information, contact 
your system administrator for the requested information.