BOCA RESEARCH, INC.
===================

   IOAT66

   Card Type          I/O controller                              
   Chipset/Controller UART                                        
   I/O Options        Serial ports (6)                            
   Maximum DRAM       N/A                                         

<gopher://bitreich.org/I/th99/i/A-B/50516-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |      Purpose      | Location |     Purpose      | Location |
   |-------------------+----------+------------------+----------|
   | RJ45 serial port  |    A     | RJ45 serial port |    D     |
   | 1                 |          | 4                |          |
   |-------------------+----------+------------------+----------|
   | RJ45 serial port  |    B     | RJ45 serial port |    E     |
   | 2                 |          | 5                |          |
   |-------------------+----------+------------------+----------|
   | RJ45 serial port  |    C     | RJ45 serial port |    F     |
   | 3                 |          | 6                |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 I/O ADDRESS CONFIGURATION                  |
   |------------------------------------------------------------|
   |Port/Address| J1/A  | J1/B  | J1/C  | J1/D  | J1/E  | J1/F  |
   |------------+-------+-------+-------+-------+-------+-------|
   |>>  |  Port  | 2 & 3 |  N/A  |  N/A  |  N/A  |  N/A  |  N/A  |
   |   | 1/220h |closed |       |       |       |       |       |
   |---+--------+-------+-------+-------+-------+-------+-------|
   |   |  Port  | 1 & 2 |  N/A  |  N/A  |  N/A  |  N/A  |  N/A  |
   |   | 1/3F8h |closed |       |       |       |       |       |
   |---+--------+-------+-------+-------+-------+-------+-------|
   |>>  |  Port  |  N/A  | 2 & 3 |  N/A  |  N/A  |  N/A  |  N/A  |
   |   | 2/228h |       |closed |       |       |       |       |
   |---+--------+-------+-------+-------+-------+-------+-------|
   |   |  Port  |  N/A  | 1 & 2 |  N/A  |  N/A  |  N/A  |  N/A  |
   |   | 2/2F8h |       |closed |       |       |       |       |
   |---+--------+-------+-------+-------+-------+-------+-------|
   |>>  |  Port  |  N/A  |  N/A  | 2 & 3 |  N/A  |  N/A  |  N/A  |
   |   | 3/240h |       |       |closed |       |       |       |
   |---+--------+-------+-------+-------+-------+-------+-------|
   |   |  Port  |  N/A  |  N/A  | 1 & 2 |  N/A  |  N/A  |  N/A  |
   |   | 3/3E8h |       |       |closed |       |       |       |
   |---+--------+-------+-------+-------+-------+-------+-------|
   |>>  |  Port  |  N/A  |  N/A  |  N/A  | 2 & 3 |  N/A  |  N/A  |
   |   | 4/248h |       |       |       |closed |       |       |
   |---+--------+-------+-------+-------+-------+-------+-------|
   |   |  Port  |  N/A  |  N/A  |  N/A  | 1 & 2 |  N/A  |  N/A  |
   |   | 4/2E8h |       |       |       |closed |       |       |
   |---+--------+-------+-------+-------+-------+-------+-------|
   |>>  |  Port  |  N/A  |  N/A  |  N/A  |  N/A  | 2 & 3 |  N/A  |
   |   | 5/260h |       |       |       |       |closed |       |
   |---+--------+-------+-------+-------+-------+-------+-------|
   |   |  Port  |  N/A  |  N/A  |  N/A  |  N/A  | 1 & 2 |  N/A  |
   |   | 5/3E0h |       |       |       |       |closed |       |
   |---+--------+-------+-------+-------+-------+-------+-------|
   |>>  |  Port  |  N/A  |  N/A  |  N/A  |  N/A  |  N/A  | 2 & 3 |
   |   | 6/268h |       |       |       |       |       |closed |
   |---+--------+-------+-------+-------+-------+-------+-------|
   |   |  Port  |  N/A  |  N/A  |  N/A  |  N/A  |  N/A  | 1 & 2 |
   |   | 6/2E0h |       |       |       |       |       |closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     INTERRUPT REQUEST                      |
   |------------------------------------------------------------|
   |  Port/IRQ  | J2/A  | J2/B  | J2/C  | J2/D  | J2/E  | J2/F  |
   |------------+-------+-------+-------+-------+-------+-------|
   |>>|   Port   | 1 & 2 |  N/A  |  N/A  |  N/A  |  N/A  |  N/A  |
   | |  1/IRQ4  |closed |       |       |       |       |       |
   |-+----------+-------+-------+-------+-------+-------+-------|
   | |   Port   | 2 & 3 |  N/A  |  N/A  |  N/A  |  N/A  |  N/A  |
   | | 1/shared |closed |       |       |       |       |       |
   |-+----------+-------+-------+-------+-------+-------+-------|
   |>>|   Port   |  N/A  | 1 & 2 |  N/A  |  N/A  |  N/A  |  N/A  |
   | |  2/IRQ3  |       |closed |       |       |       |       |
   |-+----------+-------+-------+-------+-------+-------+-------|
   | |   Port   |  N/A  | 2 & 3 |  N/A  |  N/A  |  N/A  |  N/A  |
   | | 2/shared |       |closed |       |       |       |       |
   |-+----------+-------+-------+-------+-------+-------+-------|
   |>>|   Port   |  N/A  |  N/A  | 1 & 2 |  N/A  |  N/A  |  N/A  |
   | | 3/IRQ10  |       |       |closed |       |       |       |
   |-+----------+-------+-------+-------+-------+-------+-------|
   | |   Port   |  N/A  |  N/A  | 2 & 3 |  N/A  |  N/A  |  N/A  |
   | | 3/shared |       |       |closed |       |       |       |
   |-+----------+-------+-------+-------+-------+-------+-------|
   |>>|   Port   |  N/A  |  N/A  |  N/A  | 1 & 2 |  N/A  |  N/A  |
   | | 4/IRQ11  |       |       |       |closed |       |       |
   |-+----------+-------+-------+-------+-------+-------+-------|
   | |   Port   |  N/A  |  N/A  |  N/A  | 2 & 3 |  N/A  |  N/A  |
   | | 4/shared |       |       |       |closed |       |       |
   |-+----------+-------+-------+-------+-------+-------+-------|
   |>>|   Port   |  N/A  |  N/A  |  N/A  |  N/A  | 1 & 2 |  N/A  |
   | | 5/IRQ12  |       |       |       |       |closed |       |
   |-+----------+-------+-------+-------+-------+-------+-------|
   | |   Port   |  N/A  |  N/A  |  N/A  |  N/A  | 2 & 3 |  N/A  |
   | | 5/shared |       |       |       |       |closed |       |
   |-+----------+-------+-------+-------+-------+-------+-------|
   |>>|   Port   |  N/A  |  N/A  |  N/A  |  N/A  |  N/A  | 1 & 2 |
   | | 6/IRQ15  |       |       |       |       |       |closed |
   |-+----------+-------+-------+-------+-------+-------+-------|
   | |   Port   |  N/A  |  N/A  |  N/A  |  N/A  |  N/A  | 2 & 3 |
   | | 6/shared |       |       |       |       |       |closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               INTERRUPT STATUS REGISTER I/O                |
   |------------------------------------------------------------|
   |          Address           |              J7               |
   |----------------------------+-------------------------------|
   |>>  |         208h          |       Pins 1 & 2 closed       |
   |----+-----------------------+-------------------------------|
   |    |         2F0h          |       Pins 2 & 3 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                         SHARED IRQ                         |
   |------------------------------------------------------------|
   |         Shared IRQ         |              J7               |
   |----------------------------+-------------------------------|
   |>>  |         IRQ5          |       Pins 2 & 3 closed       |
   |----+-----------------------+-------------------------------|
   |    |         IRQ4          |       Pins 1 & 2 closed       |
   +------------------------------------------------------------+