OCEAN INFORMATION SYSTEMS, INC.
===============================

   VL-COMBO SUPER REV.1.2

   +------------------------------------------------------------+
   |------------------------------------------------------------|
   | Data bus:     | 32-bit, VL-bus                             |
   |---------------+--------------------------------------------|
   | Size:         | Three/quarter-length, full-height card     |
   |---------------+--------------------------------------------|
   | Hard drive    | Two IDE (AT) interface drives              |
   | supported:    |                                            |
   |---------------+--------------------------------------------|
   | Floppy drives | Two 360KB, 720KB, 1.2MB, 1.44MB, or 2.88MB |
   | supported:    | drives                                     |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/c/M-O/20577-1.png>
                                                         

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                   Function                    |  Location  |
   |-----------------------------------------------+------------|
   | 40-pin IDE (AT) Interface connector           |     P1     |
   |-----------------------------------------------+------------|
   | 4-pin connector - drive active LED            |     P2     |
   |-----------------------------------------------+------------|
   | VGA feature connector                         |     P3     |
   |-----------------------------------------------+------------|
   | 34-pin control cable connector - floppy drive |     P4     |
   |-----------------------------------------------+------------|
   | 10-pin serial port 2                          |     P5     |
   |-----------------------------------------------+------------|
   | 10-pin serial port 1                          |     P7     |
   |-----------------------------------------------+------------|
   | 15-pin analog video connector                 |     J2     |
   |-----------------------------------------------+------------|
   | 25-pin parallel port                          |     J3     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      IDE DRIVE SELECT                      |
   |------------------------------------------------------------|
   |        Function        |      JP1       |       JP2        |
   |------------------------+----------------+------------------|
   |>> | IDE drive enabled  |   pins 1 & 2   |    pins 1 & 2    |
   |   |                    |     closed     |      closed      |
   |---+--------------------+----------------+------------------|
   |   | IDE drive disabled |   pins 2 & 3   |    pins 2 & 3    |
   |   |                    |     closed     |      closed      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   IDE DRIVE SPEED SELECT                   |
   |------------------------------------------------------------|
   |            Function            |     JP3     |     JP4     |
   |--------------------------------+-------------+-------------|
   |>>  | IDE speed = normal        | pins 1 & 2  | pins 1 & 2  |
   |    |                           |   closed    |   closed    |
   |----+---------------------------+-------------+-------------|
   |    | IDE speed = medium        | pins 2 & 3  | pins 1 & 2  |
   |    |                           |   closed    |   closed    |
   |----+---------------------------+-------------+-------------|
   |    | IDE speed = high          | pins 2 & 3  | pins 2 & 3  |
   |    |                           |   closed    |   closed    |
   |----+---------------------------+-------------+-------------|
   |    | Factory configuration -   | pins 1 & 2  | pins 2 & 3  |
   |    | do not use                |   closed    |   closed    |
   |------------------------------------------------------------|
   | Note: Do not use the last setting, could cause damage.     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                         VIDEO PORT                         |
   |------------------------------------------------------------|
   |       Function        |      JP5       |        JP6        |
   |-----------------------+----------------+-------------------|
   |>> | VGA port enabled  |   pins 1 & 2   | pins 1 & 2 closed |
   |   |                   |     closed     |                   |
   |---+-------------------+----------------+-------------------|
   |   | VGA port disabled |   pins 2 & 3   | pins 2 & 3 closed |
   |   |                   |     closed     |                   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                         VIDEO PORT                         |
   |------------------------------------------------------------|
   |             Function             |    JP22    |    JP23    |
   |----------------------------------+------------+------------|
   |>> | Parallel port uses DMA       | pins 1 & 2 | pins 1 & 2 |
   |   | channel 1                    |   closed   |   closed   |
   |---+------------------------------+------------+------------|
   |   | Parallel port uses DMA       | pins 2 & 3 | pins 2 & 3 |
   |   | channel 3                    |   closed   |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |          Function           | Location |      Setting      |
   |-----------------------------+----------+-------------------|
   |>> | Factory configured - do |   JP12   | pins 2 & 3 closed |
   |   | not alter               |          |                   |
   |---+-------------------------+----------+-------------------|
   |>> | Floppy drive enabled    |   JP19   | pins 1 & 2 closed |
   |---+-------------------------+----------+-------------------|
   |   | Floppy drive disabled   |   JP19   | pins 2 & 3 closed |
   |---+-------------------------+----------+-------------------|
   |>> | ECP/EPP printer modes   |   JP24   | pins 1 & 2 closed |
   |   | enabled                 |          |                   |
   |---+-------------------------+----------+-------------------|
   |   | ECP/EPP printer modes   |   JP24   | pins 2 & 3 closed |
   |   | disabled                |          |                   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               PARALLEL PORT INTERRUPT SELECT               |
   |------------------------------------------------------------|
   |            IRQ            |              JP11              |
   |---------------------------+--------------------------------|
   |>> |         IRQ7          |       pins 2 & 3 closed        |
   |---+-----------------------+--------------------------------|
   |   |         IRQ5          |       pins 1 & 2 closed        |
   |---+-----------------------+--------------------------------|
   |   |       Disabled        |         all pins open          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                PARALLEL PORT CONFIGURATION                 |
   |------------------------------------------------------------|
   |   LPT/Address    |        JP13        |        JP14        |
   |------------------+--------------------+--------------------|
   |>> |  LPT1/378h   | pins 2 & 3 closed  | pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |  LPT2/278h   | pins 1 & 2 closed  | pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |  LPT3/3BCh   | pins 1 & 2 closed  | pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |   Disabled   | pins 2 & 3 closed  | pins 2 & 3 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                SERIAL PORT 1 CONFIGURATION                 |
   |------------------------------------------------------------|
   |   COM/Address    |        JP15        |        JP16        |
   |------------------+--------------------+--------------------|
   |>> |  COM1/3F8h   | pins 1 & 2 closed  | pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |  COM2/2F8h   | pins 2 & 3 closed  | pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |  COM3/338h   | pins 1 & 2 closed  | pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |   Disabled   | pins 2 & 3 closed  | pins 2 & 3 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                SERIAL PORT 2 CONFIGURATION                 |
   |------------------------------------------------------------|
   |   COM/Address    |        JP17        |        JP18        |
   |------------------+--------------------+--------------------|
   |>> |  COM2/2F8h   | pins 1 & 2 closed  | pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |  COM1/3F8h   | pins 2 & 3 closed  | pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |  COM4/238h   | pins 1 & 2 closed  | pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |   Disabled   | pins 2 & 3 closed  | pins 2 & 3 closed  |
   +------------------------------------------------------------+