# WildPackets - DC21X4 (DEC/Intel Chipset) Driver Read Me

## GENERAL

This file describes the process of installing the DC21X4 miniport driver for network adapters based on the DEC/Intel chipset for the purpose of capturing error packets.

First, install a network adapter based on one of the following Intel chipsets: 21040, 21041, 21140, 21142, or 21143. Make sure it works properly (that your are able to receive data with it) before installing the custom error capture driver. Then follow the instructions below for your operating system.

### Installation

Please see below for specific instructions for installing the WildPackets driver by going to the section for your operating system.

- Windows XP
- Windows 2000
- Windows NT 4.0

### Uninstallation

To uninstall the WildPackets version of the driver, reinstall your original OEM drivers.

## INSTALLATION

### Windows XP

Ensure that you have administrator privileges, open the "Network and Dial-up Connections" view in the "Control Panel" folder and follow these steps to replace your current driver:

1. Select the appropriate adapter and view its properties (right-click or use the File menu).
2. Click the Configure button in the General tab.
3. Switch to the Driver tab and click the Update Driver button.
4. Click Next, choose "Install from a list or specific location (Advanced)", click Next.
5. Check "Don't Search, I will choose the driver to install". Click Next, then click Have Disk. Enter the path to the directory where you installed the program plus the subdirectory "Driver\Dc21x4" and choose the file "Net21x4.inf".
6. Click OK. Choose the "Intel 21143/2 based 10/100 mbps Ethernet Controller" and click Next. If you receive a warning titled "Hardware Installation", click Yes to continue anyway.
7. After copying files, click Finish and close the wizard. You do not have to reboot, but it is recommended.

### Windows 2000

Ensure that you have administrator privileges, open the "Network and Dial-up Connections" view in the "Control Panel" folder and follow these steps to replace your current driver:

1. Select the appropriate adapter and view its properties (right-click or use the File menu).
2. Click the Configure button in the General tab.
3. Switch to the Driver tab and click the Update Driver button.
4. Click Next, choose "Display a list... so that I can choose a specific driver", click Next, and click the Have Disk Button.
5. Enter the path to the directory where you installed the program plus the subdirectory "Driver\Dc21x4" and choose the file "Net21x4.inf".
6. Click OK. Choose the "Intel 21143/2 based 10/100 mbps Ethernet Controller" and click Next. If you receive a warning titled "Digital Signature Not Found", ignore it and click Yes to continue the installation.
7. After copying files, close the wizard, close the adapter properties and connection properties dialog boxes and reboot.

### Windows NT 4.0

Note: using the driver with PC Cards is not supported

Ensure that you have administrator privileges. You must first remove the current driver if one has been installed. Do not use the Update button. Follow these steps to replace your current driver:

1. Open the Network Control Panel and select the Adapters tab.
2. If there is a driver currently installed for this adapter, selected it and click the Remove button.
3. Click the Add button in the Adapter tab.
4. Click the Have Disk button in the Adapter tab.
5. Enter the path to the directory where you installed the program plus the subdirectory "Driver\Dc21x4\WinNT", add the driver using the file "oemsetup.inf".
6. Select the "Intel 21143 based 10/100 mbps Ethernet Controller".
7. Close the Network Control Panel and reboot.

These additional steps are also required for the Adaptec ANA-6911A TX/TXC PCI card only:

1. Open the Network Control Panel and select the Adapters tab.
2. Right click on the adapter and choose properties.
3. Select the appropriate link speed. For example, choose 100 Base TX or 10 BaseT (Twisted_Pair).
4. Close the network control panel an reboot.

WildPackets, Inc.
1340 Treat Blvd., Suite 500
Walnut Creek, CA 94597 USA
(925) 937-3200
http://www.wildpackets.com/support/contact
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