UNIDENTIFIED
============

   8-BIT THREE-IN-ONE BOARD

   NIC Type         Ethernet                                      
   Transfer Rate    10Mbps                                        
   Data Bus         8-bit ISA                                     
   Topology         Linear bus                                    
   Wiring Type      AUI transceiver via DB-15 port                
                                                                  
                    RG-58A/U 50ohm coaxial                        
                                                                  
                    Unshielded twisted pair                       
   Boot ROM         Available                                     

<gopher://bitreich.org/I/th99/n/U-Z/40769-1.png>
   

   +------------------------------------------------------------+
   |                       ADDRESS SELECT                       |
   |------------------------------------------------------------|
   |  I/O Address   | Base Memory Address |    W2    |    W3    |
   |----------------+---------------------+----------+----------|
   |>>   |   300h   |        C800h        |  Closed  |  Closed  |
   |-----+----------+---------------------+----------+----------|
   |     |   320h   |        CC00h        |   Open   |  Closed  |
   |-----+----------+---------------------+----------+----------|
   |     |   340h   |        D000h        |  Closed  |   Open   |
   |-----+----------+---------------------+----------+----------|
   |     |   360h   |        D400h        |   Open   |   Open   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                          BOOT ROM                          |
   |------------------------------------------------------------|
   |             Setting             |            W1            |
   |---------------------------------+--------------------------|
   |>> |          Disabled           |           Open           |
   |---+-----------------------------+--------------------------|
   |   |           Enabled           |          Closed          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                         CABLE TYPE                         |
   |------------------------------------------------------------|
   |               Type               |     W8     |     W9     |
   |----------------------------------+------------+------------|
   |>> |    RG-58A/U 50ohm coaxial    | Pins 1 & 2 | Pins 1 & 2 |
   |   |                              |   closed   |   closed   |
   |---+------------------------------+------------+------------|
   |   |  AUI transceiver via DB-15   | Pins 2 & 3 | Pins 1 & 2 |
   |   |             port             |   closed   |   closed   |
   |---+------------------------------+------------+------------|
   |   |   Unshielded twisted pair    | Pins 2 & 3 | Pins 2 & 3 |
   |   |                              |   closed   |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      INTERRUPT SELECT                      |
   |------------------------------------------------------------|
   |     IRQ     |    W4     |    W5     |    W6     |    W7    |
   |-------------+-----------+-----------+-----------+----------|
   |>> |  IRQ3   |  Closed   |   Open    |   Open    |   Open   |
   |---+---------+-----------+-----------+-----------+----------|
   |   |  IRQ2   |   Open    |   Open    |   Open    |  Closed  |
   |---+---------+-----------+-----------+-----------+----------|
   |   |  IRQ4   |   Open    |  Closed   |   Open    |   Open   |
   |---+---------+-----------+-----------+-----------+----------|
   |   |  IRQ5   |   Open    |   Open    |  Closed   |   Open   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                         LINK TEST                          |
   |------------------------------------------------------------|
   |          Setting           |              W10              |
   |----------------------------+-------------------------------|
   |>> |        Enabled         |       Pins 1 & 2 closed       |
   |---+------------------------+-------------------------------|
   |   |        Disabled        |       Pins 2 & 3 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DIAGNOSTIC LED(S)                      |
   |------------------------------------------------------------|
   |  LED  |  Color  |  Status  |           Condition           |
   |-------+---------+----------+-------------------------------|
   | LED1  | Yellow  |    On    | Data is not being transmitted |
   |-------+---------+----------+-------------------------------|
   | LED1  | Yellow  | Blinking |   Data is being transmitted   |
   |-------+---------+----------+-------------------------------|
   | LED2  |   Red   |    On    |  Data is not being received   |
   |-------+---------+----------+-------------------------------|
   | LED2  |   Red   | Blinking |    Data is being received     |
   |-------+---------+----------+-------------------------------|
   | LED3  |  Green  |    On    |  Network connection is good   |
   |-------+---------+----------+-------------------------------|
   | LED3  |  Green  |   Off    | Network connection is broken  |
   +------------------------------------------------------------+