PURE DATA LTD.
==============

   PDI9025-8

   NIC Type         Token-Ring                                    
   Transfer Rate    4/16Mbps                                      
   Data Bus         8-bit ISA                                     
   Topology         Ring                                          
   Wiring Type      Shielded/Unshielded twisted pair              
   Boot ROM         Available                                     

<gopher://bitreich.org/I/th99/n/P-R/40243-1.png>
   

   +------------------------------------------------------------+
   |                     INTERRUPT REQUEST                      |
   |------------------------------------------------------------|
   | IRQ  |  JP3A  |  JP3B  |  JP3C  |  JP3D  |  JP3E  |  JP3F  |
   |------+--------+--------+--------+--------+--------+--------|
   |>>| 2  |  Open  |  Open  |  Open  |  Open  |  Open  | Closed |
   |-+----+--------+--------+--------+--------+--------+--------|
   | | 3  |  Open  |  Open  |  Open  |  Open  | Closed |  Open  |
   |-+----+--------+--------+--------+--------+--------+--------|
   | | 4  |  Open  |  Open  |  Open  | Closed |  Open  |  Open  |
   |-+----+--------+--------+--------+--------+--------+--------|
   | | 5  |  Open  |  Open  | Closed |  Open  |  Open  |  Open  |
   |-+----+--------+--------+--------+--------+--------+--------|
   | | 6  |  Open  | Closed |  Open  |  Open  |  Open  |  Open  |
   |-+----+--------+--------+--------+--------+--------+--------|
   | | 7  | Closed |  Open  |  Open  |  Open  |  Open  |  Open  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        CARD TIMING                         |
   |------------------------------------------------------------|
   |                Setting                 |        JP6        |
   |----------------------------------------+-------------------|
   |>> | Oscillator select internal (6MHz)  | Pins 2 & 3 Closed |
   |---+------------------------------------+-------------------|
   |   |  Oscillator select external (Host  | Pins 1 & 2 Closed |
   |   |      bus speed of 8 or 10MHz)      |                   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                       BOOT ROM SIZE                        |
   |------------------------------------------------------------|
   |     ROM size     |        JP11        |        JP12        |
   |------------------+--------------------+--------------------|
   |>> |    8/16KB    | Pins 2 & 3 Closed  | Pins 2 & 3 Closed  |
   |---+--------------+--------------------+--------------------|
   |   |     32KB     | Pins 1 & 2 Closed  | Pins 2 & 3 Closed  |
   |---+--------------+--------------------+--------------------|
   |   |     64KB     | Pins 1 & 2 Closed  | Pins 1 & 2 Closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                          BOOT ROM                          |
   |------------------------------------------------------------|
   |          Setting           |             JP13              |
   |----------------------------+-------------------------------|
   |          Disabled          |       Pins 2 & 3 Closed       |
   |----------------------------+-------------------------------|
   |          Enabled           |       Pins 1 & 2 Closed       |
   |------------------------------------------------------------|
   | Note:Location of Boot ROM socket is unknown                |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               ALTERNATE/PRIMARY CARD SELECT                |
   |------------------------------------------------------------|
   |    Setting    |  Address   |   Boot ROM    |     JP14      |
   |               |            |    Address    |               |
   |---------------+------------+---------------+---------------|
   |>> |  Primary  | 0A20-0A2Fh | D0000-D7FFFh  |  Pins 2 & 3   |
   |   |           |            |               |    Closed     |
   |---+-----------+------------+---------------+---------------|
   |   | Alternate | 1A20-1A2Fh | D8000-DFFFFh  |  Pins 1 & 2   |
   |   |           |            |               |    Closed     |
   +------------------------------------------------------------+