Copyright: Copyright © 1997 3Com Corporation
Citation: Copyright © 1997 3Com Corporation


Disabling Plug and Play on the 3C509B NIC

If your Windows 95 PC does not support Plug and Play, you must disable Plug and Play on the NIC before you can install the NIC software.

Follow these steps to disable Plug and Play on the NIC:

1   After installing the NIC in the PC, turn the power on and boot Windows 95.

2   Insert EtherDisk diskette 2 in drive A.

3   Click Start in the Windows 95 task bar, and then click Run.

4   Enter:

a:\pnpdsabl.bat

The DOS PNPDSABL screen appears.

5   Click the close icon (X) in the upper right corner of the screen to close the DOS screen and return to Windows 95.

Plug and Play is disabled on the NIC.

6   Remove the diskette from drive A.

7   Shut down the PC and turn the power off, then on.

The NIC is not detected when the PC reboots.

Configuring the NIC

This procedure describes how to install NIC software and configure the NIC when Plug and Play has been disabled on the NIC.

Follow these steps to install NIC software and configure the NIC:

1   Double-click the My Computer icon, double-click the Control Panel icon, and then double-click the Add New Hardware icon.

The Add New Hardware Wizard starts and displays the first screen.

2   Click Next.

You are prompted to let Windows 95 search for your new hardware.

3   Select No, and then click Next.

The Add New Hardware Wizard displays the Hardware Types list box.

4   Select Network adapters and click Next.

Windows 95 updates the driver database and then displays the Select Device screen.

5   Insert EtherDisk diskette 1 in drive A and click Have Disk.

The Install from Disk screen appears.

6   If it is not already displayed in the Copy manufacturer’s files from entry box, enter:

a:\

7   Click OK.

The Select Device screen appears with 3Com EtherLink III ISA (3C509/3C509b) in ISA mode selected.

8   Click OK.

Windows 95 copies the required files and builds the driver database. The Add New Hardware Wizard displays a resource type setting list.

9   Write down the I/O range setting displayed in the list box (or click Print, if you are connected to a printer), and then click Next.

When you configure the NIC using the 3Com Installation Wizard, you must make sure that this setting matches the value displayed on the NIC Configuration screen.

Windows 95 copies the required files to your hard disk. The 3Com Installation Wizard starts.


Determining available IRQs

Write down the available IRQs that are displayed in this dialog box. When you configure the NIC using the 3Com Installation Wizard, you must make sure that you use one of these available IRQ values, and that the value you use also matches the IRQ value displayed on the NIC Configuration screen.