CHASE RESEARCH, INC.
====================

   CHASE AT-FAST 16

   Card Type           Serial card                                
   Chip Set            Unidentified                               
   I/O Options         Serial ports (16)                          
   Card Size           Half-length, full-height                   

<gopher://bitreich.org/I/th99/i/C-D/54578-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                  Function                  |     Label     |
   |--------------------------------------------+---------------|
   | Serial ports via 78 pin connector          |      CN1      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |          Function          |   Label   |     Position      |
   |----------------------------+-----------+-------------------|
   | 0ms setting                |    JP4    | Pins 1 & 2 closed |
   |----------------------------+-----------+-------------------|
   | 2ms setting                |    JP4    | Pins 3 & 4 closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   I/O ADDRESS SELECTION                    |
   |------------------------------------------------------------|
   | Address |      JP1       |      JP2       |      JP3       |
   |---------+----------------+----------------+----------------|
   |   100   |   Pins 1 & 2   |   Pins 3 & 4   |   Pins 1 & 2   |
   |         |     closed     |     closed     |     closed     |
   |---------+----------------+----------------+----------------|
   |   180   |   Pins 1 & 2   |   Pins 3 & 4   |   Pins 3 & 4   |
   |         |     closed     |     closed     |     closed     |
   |---------+----------------+----------------+----------------|
   |   200   |   Pins 3 & 4   |   Pins 1 & 2   |   Pins 1 & 2   |
   |         |     closed     |     closed     |     closed     |
   |---------+----------------+----------------+----------------|
   |   280   |   Pins 3 & 4   |   Pins 1 & 2   |   Pins 3 & 4   |
   |         |     closed     |     closed     |     closed     |
   |---------+----------------+----------------+----------------|
   |   300   |   Pins 3 & 4   |   Pins 3 & 4   |   Pins 1 & 2   |
   |         |     closed     |     closed     |     closed     |
   |---------+----------------+----------------+----------------|
   |   380   |   Pins 3 & 4   |   Pins 3 & 4   |   Pins 3 & 4   |
   |         |     closed     |     closed     |     closed     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    SIGNAL SET SELECTION                    |
   |------------------------------------------------------------|
   |              Function               |  Label  |  Position  |
   |-------------------------------------+---------+------------|
   | Signal set: TXD, RXD, GND, RTS, CTS |   JP5   |    RTS     |
   |-------------------------------------+---------+------------|
   | Signal set: TXD, RXD, GND, DTR, CTS |   JP5   |    DTR     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  START UP SPEED SELECTION                  |
   |------------------------------------------------------------|
   |             Function             | Label |    Position     |
   |----------------------------------+-------+-----------------|
   |  Card starts in high speed mode  |  JP6  |   Pins 1 & 2    |
   |                                  |       |     closed      |
   |----------------------------------+-------+-----------------|
   | Card starts in normal speed mode |  JP6  |   Pins 2 & 3    |
   |                                  |       |     closed      |
   +------------------------------------------------------------+

   +-------------------------------------------------------------+
   |                     INTERRUPT SELECTION                     |
   |-------------------------------------------------------------|
   | IRQ |JP3/A |JP3/B |JP3/C |JP3/D |JP3/E |JP3/F |JP3/G |JP3/H |
   |-----+------+------+------+------+------+------+------+------|
   |IRQ15|Closed| Open | Open | Open | Open | Open | Open | Open |
   |-----+------+------+------+------+------+------+------+------|
   |IRQ12| Open |Closed| Open | Open | Open | Open | Open | Open |
   |-----+------+------+------+------+------+------+------+------|
   |IRQ11| Open | Open |Closed| Open | Open | Open | Open | Open |
   |-----+------+------+------+------+------+------+------+------|
   |IRQ10| Open | Open | Open |Closed| Open | Open | Open | Open |
   |-----+------+------+------+------+------+------+------+------|
   |IRQ7 | Open | Open | Open | Open |Closed| Open | Open | Open |
   |-----+------+------+------+------+------+------+------+------|
   |IRQ5 | Open | Open | Open | Open | Open |Closed| Open | Open |
   |-----+------+------+------+------+------+------+------+------|
   |IRQ4 | Open | Open | Open | Open | Open | Open |Closed| Open |
   |-----+------+------+------+------+------+------+------+------|
   |IRQ3 | Open | Open | Open | Open | Open | Open | Open |Closed|
   +-------------------------------------------------------------+