RELIALOGIC CORPORATION PRIVATE, LTD.
====================================

   CA8972

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

<gopher://bitreich.org/I/th99/c/P-R/20741-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                    Function                     | Location |
   |-------------------------------------------------+----------|
   | 40-pin primary IDE(AT) interface                |   CN1    |
   |-------------------------------------------------+----------|
   | 40-pin secondary IDE(AT) interface              |   CN2    |
   |-------------------------------------------------+----------|
   | 34-pin control cable connector - floppy drive   |   CN3    |
   |-------------------------------------------------+----------|
   | 16-pin game port                                |   CN4    |
   |-------------------------------------------------+----------|
   | 10-pin serial port 1 - internal & 9-pin serial  |   CN5    |
   | port 1 - external                               |          |
   |-------------------------------------------------+----------|
   | 10-pin serial port 2 - internal                 |   CN6    |
   |-------------------------------------------------+----------|
   | 25-pin parallel port                            |   CN7    |
   |-------------------------------------------------+----------|
   | 2-pin drive active LED for primary IDE          |   JP1    |
   |-------------------------------------------------+----------|
   | 2-pin drive active LED for secondary IDE        |   JP2    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function              | Location |  Setting   |
   |------------------------------------+----------+------------|
   |>> | Primary IDE interface enabled  |   JP5    | pins 1 & 2 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Primary IDE interface disabled |   JP5    | pins 2 & 3 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Secondary IDE interface        |   JP6    | pins 1 & 2 |
   |   | enabled                        |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Secondary IDE interface        |   JP6    | pins 2 & 3 |
   |   | disabled                       |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Floppy drive interface enabled |   JP8    | pins 1 & 2 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Floppy drive interface         |   JP8    | pins 2 & 3 |
   |   | disabled                       |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Game port enabled              |   JP14   | pins 1 & 2 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Game port disabled             |   JP14   | pins 2 & 3 |
   |   |                                |          |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                PARALLEL PORT CONFIGURATION                 |
   |------------------------------------------------------------|
   |       LPT        |        JP7         |        JP13        |
   |------------------+--------------------+--------------------|
   |>> |     LPT2     | pins 1 & 2 closed  | pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |     LPT3     | pins 1 & 2 closed  | pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |   Disabled   | pins 2 & 3 closed  |        n/a         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                SERIAL PORT 1 CONFIGURATION                 |
   |------------------------------------------------------------|
   |       COM        |        JP9         |        JP10        |
   |------------------+--------------------+--------------------|
   |>> |     COM1     | pins 1 & 2 closed  | pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |     COM3     | pins 1 & 2 closed  | pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |   Disabled   | pins 2 & 3 closed  |        n/a         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                SERIAL PORT 2 CONFIGURATION                 |
   |------------------------------------------------------------|
   |       COM        |        JP11        |        JP12        |
   |------------------+--------------------+--------------------|
   |>> |     COM2     | pins 1 & 2 closed  | pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |     COM4     | pins 1 & 2 closed  | pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |   Disabled   | pins 2 & 3 closed  |        n/a         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  HDD SPEED CONFIGURATION                   |
   |------------------------------------------------------------|
   | CPU Clock Speed  |         JP3         |        JP4        |
   |------------------+---------------------+-------------------|
   |     > 50MHz      |  pins 1 & 2 closed  | pins 1 & 2 closed |
   |------------------+---------------------+-------------------|
   |    40/50 MHz     |  pins 2 & 3 closed  | pins 2 & 3 closed |
   |------------------+---------------------+-------------------|
   |    25/33 MHz     |  pins 2 & 3 closed  | pins 1 & 2 closed |
   |------------------+---------------------+-------------------|
   |      <20MHz      |  pins 1 & 2 closed  | pins 2 & 3 closed |
   |------------------------------------------------------------|
   | Note: The HDD speed is configured according to the CPU     |
   | clock.                                                     |
   +------------------------------------------------------------+