SEANIX TECHNOLOGY, INC.
=======================

   SUPER-16550

   +------------------------------------------------------------+
   |------------------------------------------------------------|
   | Data bus:         | 32-bit VL-Bus                          |
   |-------------------+----------------------------------------|
   | Size:             | Three/quarter-length, full-height card |
   |-------------------+----------------------------------------|
   | Hard drive        | Two Enhanced IDE (AT) interface drives |
   | supported:        |                                        |
   |-------------------+----------------------------------------|
   | Floppy drives     | Two 360KB, 720KB, 1.2MB, or 1.44MB     |
   | supported:        | drives                                 |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/c/S-T/20818-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                   Function                    |  Location  |
   |-----------------------------------------------+------------|
   | 40-pin primary IDE (AT) interface connector   |     J1     |
   |-----------------------------------------------+------------|
   | 2-pin connector - drive active LED            |     J2     |
   |-----------------------------------------------+------------|
   | 34-pin control cable connector - floppy drive |     J3     |
   |-----------------------------------------------+------------|
   | 16-pin game port - internal                   |     J4     |
   |-----------------------------------------------+------------|
   | 2-pin connector - drive active LED            |     J6     |
   |-----------------------------------------------+------------|
   | 10-pin serial port - internal                 |     J7     |
   |-----------------------------------------------+------------|
   | 10-pin serial port - internal                 |     J8     |
   |-----------------------------------------------+------------|
   | 40-pin secondary IDE (AT) interface connector |     J9     |
   |-----------------------------------------------+------------|
   | 25-pin parallel port - external               |     P1     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |             Function              |   Location   | Setting |
   |-----------------------------------+--------------+---------|
   |>> | Primary IDE (AT) interface    | JP5/F pins 2 | closed  |
   |   | enabled                       |     & 3      |         |
   |---+-------------------------------+--------------+---------|
   |   | Primary IDE (AT) interface    | JP5/F pins 1 | closed  |
   |   | disabled                      |     & 2      |         |
   |---+-------------------------------+--------------+---------|
   |>> | Game port enabled             |     JP7      | closed  |
   |---+-------------------------------+--------------+---------|
   |   | Game port disabled            |     JP7      |  open   |
   |---+-------------------------------+--------------+---------|
   |>> | Floppy controller enabled     | JP8/C pins 1 | closed  |
   |   |                               |     & 2      |         |
   |---+-------------------------------+--------------+---------|
   |   | Floppy controller disabled    | JP8/C pins 2 | closed  |
   |   |                               |     & 3      |         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               VL-BUS FREQUENCY CONFIGURATION               |
   |------------------------------------------------------------|
   |      Speed       |       JP5/A        |       JP5/B        |
   |------------------+--------------------+--------------------|
   |>> |    33MHz     | pins 1 & 2 closed  | pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |    25MHz     | pins 2 & 3 closed  | pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |    40MHz     | pins 2 & 3 closed  | pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |    50MHz     | pins 1 & 2 closed  | pins 1 & 2 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 VL-BUS MODE CONFIGURATION                  |
   |------------------------------------------------------------|
   |      Mode        |       JP5/D        |       JP5/E        |
   |------------------+--------------------+--------------------|
   |>> |      3       | pins 2 & 3 closed  | pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |      0       | pins 1 & 2 closed  | pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |      1       | pins 2 & 3 closed  | pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |      2       | pins 1 & 2 closed  | pins 2 & 3 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             VESA/ISA BUS ADDRESS CONFIGURATION             |
   |------------------------------------------------------------|
   |     Address      |        JP4         |       JP5/C        |
   |------------------+--------------------+--------------------|
   |>> | 3F7h (VESA)  | pins 2 & 3 closed  | pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |  3F7h (ISA)  | pins 1 & 2 closed  | pins 2 & 3 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             SERIAL PORT 1 INTERRUPT SELECTION              |
   |------------------------------------------------------------|
   |     IRQ       |    JP6/A     |    JP6/B     |    JP6/C     |
   |---------------+--------------+--------------+--------------|
   |>>  |    4     |    closed    |     open     |     open     |
   |----+----------+--------------+--------------+--------------|
   |    |    3     |     open     |    closed    |     open     |
   |----+----------+--------------+--------------+--------------|
   |    |    5     |     open     |     open     |    closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             SERIAL PORT 2 INTERRUPT SELECTION              |
   |------------------------------------------------------------|
   |     IRQ       |    JP6/D     |    JP6/E     |    JP6/F     |
   |---------------+--------------+--------------+--------------|
   |>>  |    3     |    closed    |     open     |     open     |
   |----+----------+--------------+--------------+--------------|
   |    |    4     |     open     |    closed    |     open     |
   |----+----------+--------------+--------------+--------------|
   |    |    5     |     open     |     open     |    closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             PARALLEL PORT INTERRUPT SELECTION              |
   |------------------------------------------------------------|
   |         IRQ          |      JP6/G       |      JP6/H       |
   |----------------------+------------------+------------------|
   |>>    |       7       |      closed      |       open       |
   |------+---------------+------------------+------------------|
   |      |       5       |       open       |      closed      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |         SECONDARY IDE (AT) INTERFACE CONFIGURATION         |
   |------------------------------------------------------------|
   |     Setting      |       JP8/A        |       JP8/B        |
   |------------------+--------------------+--------------------|
   |>> |  Secondary   | pins 1 & 2 closed  | pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |   Primary    | pins 1 & 2 closed  | pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |   Disabled   | pins 2 & 3 closed  | pins 2 & 3 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                PARALLEL PORT CONFIGURATION                 |
   |------------------------------------------------------------|
   |     Address      |       JP8/D        |       JP8/E        |
   |------------------+--------------------+--------------------|
   |>> |     278h     | pins 1 & 2 closed  | pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |     3BCh     | pins 2 & 3 closed  | pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |     378h     | pins 1 & 2 closed  | pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |   Disabled   | pins 2 & 3 closed  | pins 2 & 3 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                SERIAL PORT 1 CONFIGURATION                 |
   |------------------------------------------------------------|
   |       COM        |       JP8/F        |       JP8/G        |
   |------------------+--------------------+--------------------|
   |>> | COM1 (3F8h)  | pins 1 & 2 closed  | pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   | COM2 (2F8h)  | pins 2 & 3 closed  | pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   | COM3 (3E8h)  | pins 1 & 2 closed  | pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |   Disabled   | pins 2 & 3 closed  | pins 2 & 3 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                SERIAL PORT 2 CONFIGURATION                 |
   |------------------------------------------------------------|
   |       COM        |       JP8/H        |       JP8/I        |
   |------------------+--------------------+--------------------|
   |>> | COM2 (2F8h)  | pins 1 & 2 closed  | pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   | COM1 (3F8h)  | pins 2 & 3 closed  | pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   | COM4 (2E8h)  | pins 1 & 2 closed  | pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |   Disabled   | pins 2 & 3 closed  | pins 2 & 3 closed  |
   +------------------------------------------------------------+