NW41.TXT Driver File Contents (AT2560TXv20.ZIP)

   Server: NetWare 4.10 server
                                                                      
                                                                 a1.03
NetWare* 4.10 Server Driver Installation Notes
==============================================

Location of driver: \NWSERVER\A2560.LAN

Location of NLM's:  Novell's automated services
   
      ETHERTSM.NLM   (v2.50 or greater)
      MSM.NLM        (v2.50 or greater)


Sample load commands
====================

LOAD C:<PATH>\A2560 SLOT=n FRAME=ETHERNET_802.2

BIND IPX TO A2560 NET=xxxxxxxx


General instructions
====================

1. If you're doing a NEW installation of NetWare 4.10, install it
   according to the NetWare installation manual. When the installation
   prompts for the LAN driver, press the Insert key and select Other.
   Insert the Configuration and Drivers disk when prompted and
   complete the configuration.

2. Load the following NLMs:
   
     MSM.NLM       (11-23-94 v2.50 or greater)
     ETHERTSM.NLM  (11-29-94 v2.50 or greater)

   Make sure you use these (or later) versions. Earlier versions won't
   work properly with NetWare 4.10.

3. If you can't log into the server (before starting the server) copy
   the A2560.LAN driver from the \NWSERVER directory on the
   Configuration and Drivers disk to the root directory of the hard
   drive of the server.

   If you can log in to the server, copy the driver to the SYSTEM
   subdirectory. If you do this, you won't need to specify a path on
   the load line.  If you copy it to another directory, make sure the
   LOAD statement includes the correct path.

4. Start the server. At the server console, issue the load and bind
   statement(s) in this order:
   
        LOAD C:<PATH>\A2560 SLOT=n FRAME=ETHERNET_802.2
        BIND IPX TO A2560 NET=xxxxxxxx
      
      Note: If MSM and ETHERTSM NLMs aren't loaded, they'll
            automatically load before the driver.

   Where:

   SLOT=n specifies the PCI device number. Substitute x with the valid
   value for the adapter.  You will be prompted if you don't specify a
   SLOT number.

   NET=xxxxxxxx is the unique network address for that LAN segment.

   The default frame type is 802.2.  If your workstations need to use
   the 802.3 frame type, see the section later in this document about
   using multiple frame types on one adapter.

5. Add the load and bind statements you need to the server's
   AUTOEXEC.NCF file so the adapter driver
   loads automatically each time the server starts.


Hints and tips
==============


Installing multiple adapters
----------------------------

-  If you have multiple adapters in a single server, each adapter must
   have a different NET number and SLOT number. Also, you may want to
   name each adapter. For example:
      
      LOAD C:\A2560 SLOT=3 NAME=LAN_A
      BIND IPX TO LAN_A NET=222
      LOAD C:\A2560 SLOT=4 NAME=LAN_B
      BIND IPX TO LAN_B NET=333

-  In an IPX internal router configuration (a server with two
   adapters, each connected to a different network), the data transfer
   rate across the router can be low.  This happens if client
   workstations have CPU speeds equal to or higher than the server.
   You may be able to increase the data transfer rate by adding the
   following to STARTUP.NCF:

    SET MAXIMUM INTERRUPT EVENTS = 100000

   The default setting is 10.

-  If you have problems loading the driver on multiple adapters and
   the initialization fails due to "Insufficient RCBs," increase the
   number of buffers allocated to the server.

   Add the following to STARTUP.NCF:
   
      SET MINIMUM PACKET RECEIVE BUFFERS = 100 (or larger)
      SET MAXIMUM PACKET RECEIVE BUFFERS = 500 (or larger)

   The MINIMUM value you specify must be at least 30 times the number
   of AT-2560 PCI adapters in the computer.

   Recommended settings:
   
     1-3 adapters:  100
     4 adapters:    150

   The MAXIMUM you can specify depends on the amount of memory in the
   server, but it must be greater than the MINIMUM.


Installing one adapter with multiple frame types
------------------------------------------------

When binding multiple frame types to one adapter, enter a LOAD and
BIND statement for each frame type.  Each LOAD statement uses the same
SLOT number, but each BIND statement needs a unique network number.
You must also include a name on each load line to avoid being prompted
for the board to bind IPX to.

Example:

LOAD C:\A2560 SLOT=3 FRAME=ETHERNET_802.3 NAME=LAN8023

BIND IPX TO LAN8023 NET=77777

LOAD C:\A2560 SLOT=3 FRAME=ETHERNET_802.2 NAME=LAN8022

BIND IPX TO LAN8022 NET=88888


Optional LOAD line parameters
-----------------------------

FORCEDUPLEX:
      
    
      Syntax: FORCEDUPLEX=n

      Where n=0 auto-negotiate
              1 half duplex
              2 full duplex
      
      Note: If the adapter is set to half or full duplex, set the
            SPEED parameter to either 10 or 100. (see SPEED below)

      Duplex modes:

      Auto-negotiate: the adapter negotiates with the hub how to
      send/receive packets, either full or half duplex.  If
      unsuccessful at negotiating the duplex, the adapter defaults to
      half duplex.
         
      Full duplex: the adapter sends and receives packets at the same
      time. This improves the performance of your adapter. Set duplex
      mode to full duplex ONLY if you have a switch that supports full
      duplex.

      Half duplex: the adapter performs one operation at a time. It
      either sends or receives.

         Default:   auto-negotiation    

      The AT-2560 PCI adapter has the added ability to "talk" to the
      hub and determine at which mode to communicate (either full or
      half duplex). This is called auto-negotiation. You must have an
      auto-negotiating switch (an Nway switch) to get full duplex
      support with the FORCEDUPLEX parameter set to 0 (auto-
      negotiation).

      Examples:

      (100 Mbps full duplex):
                  FORCEDUPLEX=2  (Sets adapter to full duplex)
                  SPEED=100      (See SPEED parameter below)

      (10 Mbps full duplex):
                  FORCEDUPLEX=2 (Sets adapter to full duplex)
                  SPEED=10

     
      Note: Use auto-negotiate for full duplex support only when the
      adapter is connected to a switch that fully supports Nway
      auto negotiation specification.


SLOT: Specifies the slot number.

      For PCI adapters, SLOT is derived from bus number and device
      location as defined by the PCI specification. One way to
      determine the slot number is to load the driver from the command
      line. You'll be prompted with valid device number(s) for the
      adapter(s). Select one of them.
      
         Syntax:  SLOT=n     (n = 1,2,3,4,...)
      
      NOTE: Future versions of NetWare will use NBI (NetWare Bus
            Interface) to determine the slot number.  NBI will map the
            slot number to a different slot number than SETUP.EXE on
            the Installation and Driver disk reports.



SPEED: Specifies the speed the driver uses. If you don't use this
      parameter, the driver automatically detects the network speed.
      If no cable is attached, the driver defaults to 10 Mbps.

      If you use this parameter, the driver operates at the specified
      speed instead of auto-detecting network speed.

         Syntax:  SPEED=n  (n = 10 or 100)

         Default: none, the adapter automatically senses speed
      
      NOTE: Set the SPEED parameter to either 10 or 100 if you're
            setting the FORCEDUPLEX parameter to either 1 or 2 (half
            or full).



NODE: Specifies a local administered address (LAA) unique to each
      adapter.  The node address is a 12-digit hexadecimal number; the
      second digit must be one of the following digits: 2, 6, A, E.

          Syntax: NODE=02a012345678

      02 => LAA, 02 is set by the driver if not specified.
      00 => Typical address (not overridden)



FRAME: Configures the adapter to process one of the four valid NetWare
      Ethernet frame types.

          Syntax:  FRAME=n
             n =  Ethernet_802.2
             Ethernet_802.3
             Ethernet_II
             Ethernet_SNAP

   Default: Ethernet_802.2



TXTHRESHOLD: Represents the threshold for transmits from extender SRAM
      FIFO (output buffer).

         Syntax: TXTHRESHOLD=n (n = number of 8 bytes)

      For example, 16 represents 16x8 (or 128 bytes). In this case,
      the LAN controller transmits after copying 128 bytes from the
      host memory to the SRAM FIFO.


         Default: dynamically set

      The maximum number you can specify is 200 (200x8=1600
      bytes) which ensures there will not be any underruns.



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