DECchip 21140 Based Network Adapter Driver
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,Network Devices
This device driver is designed to run on an Intel-based computer running OPENSTEP for Mach Release 4.1. It automatically detects the target adapter.

Supported Hardware: 

This driver supports DECchip 21140 based fast ethernet adapters. These adapters support 100Base-TX  and 100Base-T4 standards (IEEE 802.3) and may also support 10Base-T and BNC ports.

The following adapters are currently supported:

1. Cogent EM100                       (100Mb/s)
3. Cogent EM110                       (10Mb/s and 100Mb/s)
2. Cogent EM110-T4                 (10Base-T, BNC and 100Mb/s)
4. SMC 9332                               (10Mb/s and 100Mb/s)
5. DEC DE500					 (10Mb/s and 100Mb/s)
6. Generic adapters                   (see below)

Installation and Configuration Steps:
1. 	Install the adapter in the system (if necessary).
2. 	Log in as root and run Configure.  
3.	Click on the Network Devices icon at the top of Configure's "Summary of Devices" window.  In the Add Network Devices panel that opens, select the radio button labeled "Show Drivers for Detected Devices" if it is not already highlighted.  
4.	Select the appropriate driver from the list, and click Add. 
5. 	Click Done, then click Save, then quit Configure.

Generic Adapters: 

This driver may work with DECchip 21140 based generic adapters. However it may be necessary to enter appropriate values in the "CSR12 10" or "CSR12 100" field to enable the media interface for 10BASE-T, 100BASE-TX or other mode as desired. 

Choose the 10Mb/s or 100Mb/s generic driver and edit the CSR12 field to add an initialization sequence (for example "0x0011 0x0012"). The exact string will depend on the adapter.

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See also

·	"Add a Device" in Configure's on-line help.

·	See NeXTanswer 1824 for general information on installing and configuring device drivers.