1. 2970v11.zip Driver
2. winnt.TXT File Contents

winnt.TXT Driver File Contents (2970v11.zip)

Allied Telesyn AT-2970 Series Gigabit Ethernet Adapter
NDIS4 Miniport Driver for Windows NT 4.0

Contents
--------

I.   Overview
II.  Required Files
III. Installation Procedure
IV.  Driver Options
V.   Troubleshooting

I. Overview

AT2970M4.SYS is the NDIS 4.0 Miniport driver for the Allied Telesyn
AT-2970 Series Gigabit Ethernet Adapter.

This README file explains how to install the Miniport driver on a machine
running Windows NT 4.0.

**************************************************************************
 NOTE:

The AT2970M4 NDIS4 Miniport driver cannot be used with Windows
NT 3.51 or below. You must use Windows NT 4.0 if you want to use this
driver.

We also recommend that the latest Windows NT 4.0 Service Pack be
reinstalled *after* successful installation of the AT2970M4 driver.

**************************************************************************

II. Required Files 

To install the driver, you need the following files:

	AT2970M4.SYS	Allied Telesyn AT-2970 Series Gigabit Ethernet Adapter
			NDIS4 Miniport driver
	OEMSETNT.INF	installation setup script
	AT2970.HLP	installation help file
	AT2970.DLL	installation dialogs

III. Installation Procedure

Follow these instructions to install the adapter in your computer:

1. Start Windows NT 4.0.

2. Start NETWORK from the CONTROL PANEL, select ADAPTERS and click ADD.
   Click HAVE DISK.

3. Depending on the type of medium (e.g. CD-ROM, floppy diskette,
   network drive, etc.) containing the AT2970M4 driver files,
   enter the path to the required files, e.g.

   D:\drivers\at2970\winnt

   Click OK.

4. Select the Allied Telesyn AT-2970 Series Gigabit Ethernet Adapter entry that
   matches your adapter and press OK.

5. Select the appropriate configuration (see section "Driver Options"
   in this readme file for details).

   Choose OK and restart the system.

NOTE: We strongly recommend the latest Windows NT 4.0 Service Pack be
re-installed *after* successful installation of the driver.

IV. Driver Options 

The AT2970M4.SYS driver allows you to modify several options
in order to optimize the operation of your Allied Telesyn
AT-2970 Series Gigabit Ethernet Adapter.

The driver options can be set as follows:

1. Start NETWORK from the CONTROL PANEL, choose ADAPTERS, select
   the Allied Telesyn AT-2970 Series Gigabit Ethernet Adapter and click
   PROPERTIES.

2. In the Allied Telesyn AT-2970 Series Gigabit Ethernet Adapter Card Setup
   window, select the option that you want to change and enter the desired
   value. Click OK when finished.

3. Reboot the system to activate the new settings.

The parameters supported by the driver are described below.

The Windows NT Installation Support provides an online help utility, which
describes all available parameter options in detail.

Bus / Slot
----------

Default value:	next available adapter found when driver installed

Valid range:	depends on system configuration

This parameter specifies the adapter instance to which the driver shall be
bound. You can choose from a list of bus/slot combinations for which the
system has found one or more instances of the Allied Telesyn AT-2970 Series
Gigabit Ethernet Adapter. When you add, remove, or move any adapters to,
from, or between PCI slots, this list will change.

Preferred Port

Default value:	"A"

Valid range:	"A" or "B"

NOTE: This parameter is only available for the
Allied Telesyn AT-2970 Series Gigabit Ethernet Adapter (Dual Link).

Use this parameter to set the preferred port that the RLMT (Redundant
Link Management) will use for all network traffic, if more than one port
has an active link to the network.

RLMT Mode
---------

Default value:	"Check link state only"

Valid range:	"Check link state only"
		"Check other port"
		"Check other port and segmentation"

NOTE: This parameter is only available with the dual link model.

Use this parameter to set the operational mode for the RLMT (Redundant
Link Management) built into the driver:

"Check link state only": 

RLMT uses the link state reported by the adapter hardware for each
individual port to determine whether a port can be used for all
network traffic or not.

"Check other port":

RLMT sends test frames from each port to each other port and checks if they
are received by the other port, respectively. Thus, the ports must be
connected to the network such that LLC test frames can be exchanged between
them (i.e. there must be no routers between the ports).

"Check other port and segmentation":

RLMT checks the other port and in addition requests information from the
Gigabit Ethernet switch next to each port to see if the network is segmented
between the ports. Thus, this mode is only to be used if you have Gigabit
Ethernet switches installed in your network that have been configured to use
the Spanning Tree protocol.

NOTE: RLMT modes "Check other port" and "Check other Port and segmentation"
      are meant to operate in configurations where a network path between
      the ports on one adapter exists. Especially, they are not designed to
      work where adapters are connected back-to-back.

Network Address
---------------

Default value:	burned-in adapter address
Valid range:	0y-00-00-00-00-01 to FE-FF-FF-FF-FF-FF (hexadecimal), where
		at least the "locally administered" bit 2h (i.e. bit #1) in
		the 'y' nibble must be set and the "multicast" bit 1h (i.e.
		bit #0) must not be set

CAUTION: Each individual network MAC address can only be used once in a
         network. Assigning the same address to more than one adapter in
         the same network is not allowed and can cause serious network
         problems.

To use a network MAC address other than the one burned into the adapter
card, enter the network address in hexadecimal, in the following format:

	XX-XX-XX-XX-XX-XX (e.g. 02-00-5A-98-12-34).

If you leave the Network Address blank (or specify a different number of
digits), the network address burned into the adapter card will be used.

MaxFrameSize
------------

Default value:	1514 (decimal)
Valid range:	14..9014 (decimal)

This parameter specifies the maximum frame size in bytes that the driver
will support. The performance of your network usually increases when
a large packet size is used. Do not use values bigger than 1514 if you are
not sure if your network supports jumbo frames.

V. Troubleshooting 
If you should encounter any problems with your Allied Telesyn AT-2970 Series
Gigabit Ethernet Adapter, please re-read the instructions above and the
documentation supplied with the operating system.

Also refer to your system event log file (using the Event Viewer) and
check it for entries for AT2970M4.

Contact Allied Telesyn Technical Support for further assistance.