UNIDENTIFIED
============

   PRIME 2C MKIII

   Card Type            Hard drive controller                     
   Hard Drives          Two IDE (AT) drives                       
   supported            
   Floppy drives        Two 360KB, 720KB, 1.2MB, or 1.44MB drives 
   supported            
   Data Bus             16-bit ISA                                
   Card Size            Half-length, half-height                  
                                                                  

<gopher://bitreich.org/I/th99/c/U-Z/21437-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |       Function       | Label |      Function       | Label |
   |----------------------+-------+---------------------+-------|
   | 16-pin game port     | CON1  | 10-pin serial port  | CON5  |
   |                      |       | 2 - internal        |       |
   |----------------------+-------+---------------------+-------|
   | 10-pin serial port 1 | CON2  | 40-pin IDE(AT)      | CON6  |
   | - internal           |       | connector           |       |
   |----------------------+-------+---------------------+-------|
   | 25-pin parallel port | CON3  | Drive active LED    | CON7  |
   | - external           |       |                     |       |
   |----------------------+-------+---------------------+-------|
   | 34-pin cable         | CON4  | 9-pin serial port - | CON8  |
   | connector - floppy   |       | external            |       |
   | drive                |       |                     |       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |            Function             | Label |     Position     |
   |---------------------------------+-------+------------------|
   | Floppy drive interface enabled  |  J1   |    Pins 1 & 2    |
   |                                 |       |      closed      |
   |---------------------------------+-------+------------------|
   | Floppy drive interface disabled |  J1   |    Pins 2 & 3    |
   |                                 |       |      closed      |
   |---------------------------------+-------+------------------|
   | Primary floppy drive enabled    |  J2   |    Pins 1 & 2    |
   |                                 |       |      closed      |
   |---------------------------------+-------+------------------|
   | Secondary floppy drive disabled |  J2   |    Pins 2 & 3    |
   |                                 |       |      closed      |
   |---------------------------------+-------+------------------|
   | IDE(AT) interface enabled       |  J3   |    Pins 1 & 2    |
   |                                 |       |      closed      |
   |---------------------------------+-------+------------------|
   | IDE(AT) interface disabled      |  J3   |    Pins 2 & 3    |
   |                                 |       |      closed      |
   |---------------------------------+-------+------------------|
   | Primary IDE drive enabled       |  J4   |    Pins 1 & 2    |
   |                                 |       |      closed      |
   |---------------------------------+-------+------------------|
   | Secondary IDE drive disabled    |  J4   |    Pins 2 & 3    |
   |                                 |       |      closed      |
   |---------------------------------+-------+------------------|
   | Game port enabled               |  J11  |    Pins 1 & 2    |
   |                                 |       |      closed      |
   |---------------------------------+-------+------------------|
   | Game port disabled              |  J11  |    Pins 2 & 3    |
   |                                 |       |      closed      |
   |---------------------------------+-------+------------------|
   | PD0-PD7 output enabled          |  J16  |    Pins 1 & 2    |
   |                                 |       |      closed      |
   |---------------------------------+-------+------------------|
   | PD0-PD7 output disabled         |  J16  |    Pins 2 & 3    |
   |                                 |       |      closed      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              PARALLEL PORT ADDRESS SELECTION               |
   |------------------------------------------------------------|
   |     Setting      |         J9         |        J10         |
   |------------------+--------------------+--------------------|
   |   LPT1 (378h)    | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
   |------------------+--------------------+--------------------|
   |   LPT2 (278h)    | Pins 1 & 2 closed  | Pins 2 & 3 closed  |
   |------------------+--------------------+--------------------|
   |     Disabled     | Pins 2 & 3 closed  |        N/A         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              SERIAL PORT 1 ADDRESS SELECTION               |
   |------------------------------------------------------------|
   |     Setting      |         J5         |         J6         |
   |------------------+--------------------+--------------------|
   |   COM1 (3F8h)    | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
   |------------------+--------------------+--------------------|
   |   COM3 (3E8h)    | Pins 1 & 2 closed  | Pins 2 & 3 closed  |
   |------------------+--------------------+--------------------|
   |     Disabled     | Pins 2 & 3 closed  |        N/A         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              SERIAL PORT 2 ADDRESS SELECTION               |
   |------------------------------------------------------------|
   |     Setting      |         J7         |         J8         |
   |------------------+--------------------+--------------------|
   |   COM2 (2F8h)    | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
   |------------------+--------------------+--------------------|
   |   COM4 (2E8h)    | Pins 1 & 2 closed  | Pins 2 & 3 closed  |
   |------------------+--------------------+--------------------|
   |     Disabled     | Pins 2 & 3 closed  |        N/A         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             SERIAL PORT 1 INTERRUPT SELECTION              |
   |------------------------------------------------------------|
   | IRQ  | J12/pins 1 & | J13/pins 1 | J14/pins 1 | J15/pins 1 |
   |      |      2       |    & 2     |    & 2     |    & 2     |
   |------+--------------+------------+------------+------------|
   | IRQ3 |     Open     |   Closed   |    Open    |    Open    |
   |------+--------------+------------+------------+------------|
   | IRQ4 |     Open     |    Open    |   Closed   |    Open    |
   |------+--------------+------------+------------+------------|
   | IRQ5 |     Open     |    Open    |    Open    |   Closed   |
   |------+--------------+------------+------------+------------|
   | IRQ9 |    Closed    |    Open    |    Open    |    Open    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             SERIAL PORT 2 INTERRUPT SELECTION              |
   |------------------------------------------------------------|
   | IRQ  | J12/pins 2 & | J13/pins 2 | J14/pins 2 | J15/pins 2 |
   |      |      3       |    & 3     |    & 3     |    & 3     |
   |------+--------------+------------+------------+------------|
   | IRQ3 |     Open     |   Closed   |    Open    |    Open    |
   |------+--------------+------------+------------+------------|
   | IRQ4 |     Open     |    Open    |   Closed   |    Open    |
   |------+--------------+------------+------------+------------|
   | IRQ5 |     Open     |    Open    |    Open    |   Closed   |
   |------+--------------+------------+------------+------------|
   | IRQ9 |    Closed    |    Open    |    Open    |    Open    |
   +------------------------------------------------------------+