DANPEX CORPORATION
==================

   EN-2400BT

   NIC Type          Ethernet                                     
   Transfer Rate     10Mbps                                       
   Data Bus          16-bit ISA                                   
   Topology          Linear Bus, Star                             
   Wiring Type       AUI transceiver via DB-15 port               
                                                                  
                     RG58A/U 50ohm coaxial                        
                                                                  
                     Unshielded twisted pair                      
   Boot ROM          Available                                    

<gopher://bitreich.org/I/th99/n/C-D/40690-1.png>
   

   +------------------------------------------------------------+
   |                         CABLE TYPE                         |
   |------------------------------------------------------------|
   |              Type               | JP2/A  | JP2/B  | JP2/C  |
   |---------------------------------+--------+--------+--------|
   |>> |    RG58A/U 50ohm coaxial    | Closed |  Open  |  Open  |
   |---+-----------------------------+--------+--------+--------|
   |   |  AUI transceiver via DB-15  |  Open  | Closed |  Open  |
   |   |            port             |        |        |        |
   |---+-----------------------------+--------+--------+--------|
   |   |   Unshielded twisted pair   |  Open  |  Open  | Closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             BASE I/O ADDRESS/INTERRUPT SELECT              |
   |------------------------------------------------------------|
   | Address  |   IRQ    | SW1/4 | SW1/5 | SW1/6 |     JP3      |
   |----------+----------+-------+-------+-------+--------------|
   |>> | 300h |   IRQ3   |  Off  |  Off  |  Off  |  Pins 1 & 2  |
   |   |      |          |       |       |       |    closed    |
   |---+------+----------+-------+-------+-------+--------------|
   |   | 320h | IR/FONT> |  On   |  Off  |  On   |  Pins 7 & 8  |
   |   |      |          |       |       |       |    closed    |
   |---+------+----------+-------+-------+-------+--------------|
   |   | 340h |   IRQ4   |  On   |  On   |  Off  |  Pins 3 & 4  |
   |   |      |          |       |       |       |    closed    |
   |---+------+----------+-------+-------+-------+--------------|
   |   | 360h |   IRQ5   |  On   |  On   |  On   |  Pins 5 & 6  |
   |   |      |          |       |       |       |    closed    |
   |---+------+----------+-------+-------+-------+--------------|
   |   | 300h | IR/FONT> |  Off  |  Off  |  Off  |  Pins 7 & 8  |
   |   |      |          |       |       |       |    closed    |
   |---+------+----------+-------+-------+-------+--------------|
   |   | 320h |   IRQ3   |  On   |  Off  |  On   |  Pins 1 & 2  |
   |   |      |          |       |       |       |    closed    |
   |---+------+----------+-------+-------+-------+--------------|
   |   | 340h |   IRQ5   |  On   |  On   |  Off  |  Pins 5 & 6  |
   |   |      |          |       |       |       |    closed    |
   |---+------+----------+-------+-------+-------+--------------|
   |   | 360h |   IRQ4   |  On   |  On   |  On   |  Pins 3 & 4  |
   |   |      |          |       |       |       |    closed    |
   |---+------+----------+-------+-------+-------+--------------|
   |   | 300h |   IRQ4   |  Off  |  Off  |  Off  |  Pins 3 & 4  |
   |   |      |          |       |       |       |    closed    |
   |---+------+----------+-------+-------+-------+--------------|
   |   | 320h |   IRQ5   |  On   |  Off  |  On   |  Pins 5 & 6  |
   |   |      |          |       |       |       |    closed    |
   |---+------+----------+-------+-------+-------+--------------|
   |   | 340h | IR/FONT> |  On   |  On   |  Off  |  Pins 7 & 8  |
   |   |      |          |       |       |       |    closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             BASE I/O ADDRESS/INTERRUPT SELECT              |
   |------------------------------------------------------------|
   | Address |  IRQ  | SW1/4 | SW1/5 | SW1/6 |       JP3        |
   |---------+-------+-------+-------+-------+------------------|
   |  360h   | IRQ3  |  On   |  On   |  On   |    Pins 1 & 2    |
   |         |       |       |       |       |      closed      |
   |---------+-------+-------+-------+-------+------------------|
   |  300h   | IRQ10 |  Off  |  Off  |  Off  |   Pins 9 & 10    |
   |         |       |       |       |       |      closed      |
   |---------+-------+-------+-------+-------+------------------|
   |  320h   | IRQ12 |  On   |  Off  |  On   |   Pins 13 & 14   |
   |         |       |       |       |       |      closed      |
   |---------+-------+-------+-------+-------+------------------|
   |  340h   | IRQ15 |  On   |  On   |  Off  |   Pins 15 & 16   |
   |         |       |       |       |       |      closed      |
   |---------+-------+-------+-------+-------+------------------|
   |  360h   | IRQ10 |  On   |  On   |  On   |   Pins 9 & 10    |
   |         |       |       |       |       |      closed      |
   |---------+-------+-------+-------+-------+------------------|
   |  300h   | IRQ12 |  Off  |  Off  |  Off  |   Pins 13 & 14   |
   |         |       |       |       |       |      closed      |
   |---------+-------+-------+-------+-------+------------------|
   |  320h   | IRQ15 |  On   |  Off  |  On   |   Pins 15 & 16   |
   |         |       |       |       |       |      closed      |
   |---------+-------+-------+-------+-------+------------------|
   |  340h   | IRQ10 |  On   |  On   |  Off  |   Pins 9 & 10    |
   |         |       |       |       |       |      closed      |
   |---------+-------+-------+-------+-------+------------------|
   |  360h   | IRQ12 |  On   |  On   |  On   |   Pins 13 & 14   |
   |         |       |       |       |       |      closed      |
   |---------+-------+-------+-------+-------+------------------|
   |  300h   | IRQ15 |  Off  |  Off  |  Off  |   Pins 15 & 16   |
   |         |       |       |       |       |      closed      |
   |---------+-------+-------+-------+-------+------------------|
   |  320h   | IRQ10 |  On   |  Off  |  On   |   Pins 9 & 10    |
   |         |       |       |       |       |      closed      |
   |---------+-------+-------+-------+-------+------------------|
   |  340h   | IRQ12 |  On   |  On   |  Off  |   Pins 13 & 14   |
   |         |       |       |       |       |      closed      |
   |---------+-------+-------+-------+-------+------------------|
   |  360h   | IRQ15 |  On   |  On   |  On   |   Pins 15 & 16   |
   |         |       |       |       |       |      closed      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 ROM ADDRESS CONFIGURATION                  |
   |------------------------------------------------------------|
   |Memory Address|I/O Address|  IRQ   |SW1/7|SW1/8|SW1/9|SW1/10|
   |--------------+-----------+--------+-----+-----+-----+------|
   |>>    | C800h  |   300h    |  IRQ3  | Off | On  | Off | Off  |
   |-----+--------+-----------+--------+-----+-----+-----+------|
   |     | CC00h  |   320h    |IR/FONT>| Off | On  | Off |  On  |
   |-----+--------+-----------+--------+-----+-----+-----+------|
   |     | D000h  |   340h    |  IRQ4  | Off | On  | On  | Off  |
   |-----+--------+-----------+--------+-----+-----+-----+------|
   |     | D400h  |   360h    |  IRQ5  | Off | On  | On  |  On  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                         I/O TIMING                         |
   |------------------------------------------------------------|
   |              Setting              |         SW1/2          |
   |-----------------------------------+------------------------|
   |>> |          Normal IO16          |          Off           |
   |---+-------------------------------+------------------------|
   |   |           Late IO16           |           On           |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                          IOCHRDY                           |
   |------------------------------------------------------------|
   |              Setting              |         SW1/1          |
   |-----------------------------------+------------------------|
   |>> |        Normal IOCHRDY         |          Off           |
   |---+-------------------------------+------------------------|
   |   |         Early IOCHRDY         |           On           |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                FACTORY CONFIGURED SETTINGS                 |
   |------------------------------------------------------------|
   |            Switch            |           Setting           |
   |------------------------------+-----------------------------|
   |            SW1/3             |             Off             |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |          Purpose           |           Location            |
   |----------------------------+-------------------------------|
   |            JP1             |   LAN station LED connector   |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/n/C-D/40690-2.png>
   

   +------------------------------------------------------------+
   |                       DIAGNOSTIC LED                       |
   |------------------------------------------------------------|
   | LED  | Color |  Status  |            Condition             |
   |------+-------+----------+----------------------------------|
   | LED1 | Green |   Off    |        Data is not being         |
   |      |       |          |       transmitted/received       |
   |------+-------+----------+----------------------------------|
   | LED1 | Green | Blinking |          Data is being           |
   |      |       |          |       transmitted/received       |
   |------+-------+----------+----------------------------------|
   | LED2 | Green |   Off    |   Unshielded twisted pair not    |
   |      |       |          |            connected             |
   |------+-------+----------+----------------------------------|
   | LED2 | Green | Blinking |     Unshielded twisted pair      |
   |      |       |          |            connected             |
   +------------------------------------------------------------+