QUATECH, INC.
=============

   MPI-600

   Card Type          I/O controller                              
   Chipset/Controller Intel 80C188                                
   I/O Options        Serial ports (2)                            
   Maximum DRAM       N/A                                         

<gopher://bitreich.org/I/th99/i/P-R/50351-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |    Purpose    | Location |       Purpose        | Location |
   |---------------+----------+----------------------+----------|
   | Serial port 1 |   CN1    | SCC channel "B"      |    J2    |
   |               |          | connector            |          |
   |---------------+----------+----------------------+----------|
   | Serial port 2 |   CN2    |                      |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     I/O ADDRESS SELECT                     |
   |------------------------------------------------------------|
   |Address|SW1/1 |SW1/2 |SW1/3 |SW1/4 |SW1/5 |SW1/6|SW1/7|SW1/8|
   |-------+------+------+------+------+------+-----+-----+-----|
   | 3F8h  |  On  | Off  | Off  | Off  | Off  | Off | Off | Off |
   |-------+------+------+------+------+------+-----+-----+-----|
   | 3E8h  |  On  | Off  | Off  | Off  | Off  | Off | On  | Off |
   |-------+------+------+------+------+------+-----+-----+-----|
   | 2F8h  |  On  | Off  |  On  | Off  | Off  | Off | Off | Off |
   |-------+------+------+------+------+------+-----+-----+-----|
   | 2E8h  |  On  | Off  |  On  | Off  | Off  | Off | On  | Off |
   |-------+------+------+------+------+------+-----+-----+-----|
   | 7F8h  | Off  | Off  | Off  | Off  | Off  | Off | Off | Off |
   |------------------------------------------------------------|
   |  Note:The address range for the MPI-600 can be set between |
   |  000h and 7F8h. The switches are a binary representation of|
   |  the addresses. The switches have the following decimal    |
   |  values: switch 1=4, switch 2=2, switch 3=1, switch 4=8,   |
   |  switch 5=4, switch 6=2, switch 7=1, switch 8=8. Turn Off  |
   |  the switches and add the values of the Off switches to    |
   |  obtain the correct address.                               |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DMA CHANNEL SELECT                     |
   |------------------------------------------------------------|
   |       DMA        |         J3         |         J4         |
   |------------------+--------------------+--------------------|
   |        1         | Pins 1 & 3 closed  | Pins 1 & 3 closed  |
   |------------------+--------------------+--------------------|
   |        3         | Pins 2 & 4 closed  | Pins 2 & 4 closed  |
   |------------------+--------------------+--------------------|
   |       None       |      All open      |      All open      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                PARALLEL PORT CONFIGURATION                 |
   |------------------------------------------------------------|
   |             J1             |          Designation          |
   |----------------------------+-------------------------------|
   |         Pins 1 - 4         |      Connected to ground      |
   |----------------------------+-------------------------------|
   |           Pin 5            |   Connected to 8256 pin P27   |
   |----------------------------+-------------------------------|
   |           Pin 6            |   Connected to 8256 Pin P26   |
   |----------------------------+-------------------------------|
   |           Pin 7            |   Connected to 8256 Pin P25   |
   |----------------------------+-------------------------------|
   |           Pin 8            |   Connected to 8256 Pin P24   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      INTERRUPT SELECT                      |
   |------------------------------------------------------------|
   |            IRQ             |              J5               |
   |----------------------------+-------------------------------|
   |            IRQ2            |       Pins 1 & 7 closed       |
   |----------------------------+-------------------------------|
   |            IRQ3            |       Pins 2 & 8 closed       |
   |----------------------------+-------------------------------|
   |            IRQ4            |       Pins 3 & 9 closed       |
   |----------------------------+-------------------------------|
   |            IRQ5            |      Pins 4 & 10 closed       |
   |----------------------------+-------------------------------|
   |            IRQ6            |      Pins 5 & 11 closed       |
   |----------------------------+-------------------------------|
   |            IRQ7            |      Pins 6 & 12 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              CURRENT LOOP POWER LEVEL SELECT               |
   |------------------------------------------------------------|
   |          Setting           |      J6       |      J7       |
   |----------------------------+---------------+---------------|
   |         +12 volts          |     Open      |    Closed     |
   |----------------------------+---------------+---------------|
   |         -12 volts          |    Closed     |     Open      |
   |----------------------------+---------------+---------------|
   | External power source used |     Open      |     Open      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    SIGNAL CONFIGURATION                    |
   |------------------------------------------------------------|
   |  Signal   |   Mode    |   J8    |   J9   |  J10   |  J11   |
   |   Type    |           |         |        |        |        |
   |-----------+-----------+---------+--------+--------+--------|
   | RTxC/RRxC |   V.35    |  1 & 3  | 1 & 3  |  N/A   |  N/A   |
   |           | (RS-422)  | closed  | closed |        |        |
   |-----------+-----------+---------+--------+--------+--------|
   | RTxC/RRxC |   V.24    |  2 & 4  | 2 & 4  |  N/A   |  N/A   |
   |           | (RS-232)  | closed  | closed |        |        |
   |-----------+-----------+---------+--------+--------+--------|
   | RTxC/RRxC |  Receive  |   All   |  All   |  N/A   |  N/A   |
   |           | no clock  |  open   |  open  |        |        |
   |-----------+-----------+---------+--------+--------+--------|
   |    RxD    |   V.35    |   N/A   |  N/A   | 1 & 4  |  N/A   |
   |           | (RS-422)  |         |        | closed |        |
   |-----------+-----------+---------+--------+--------+--------|
   |    RxD    |   V.24    |   N/A   |  N/A   | 2 & 5  |  N/A   |
   |           | (RS-232)  |         |        | closed |        |
   |-----------+-----------+---------+--------+--------+--------|
   |    RxD    |  Current  |   N/A   |  N/A   | 3 & 6  |  N/A   |
   |           |   Loop    |         |        | closed |        |
   |-----------+-----------+---------+--------+--------+--------|
   |   TTxC    |   TRxCA   |  Open   |  N/A   |  N/A   | 1 & 3  |
   |           |           |         |        |        | closed |
   |-----------+-----------+---------+--------+--------+--------|
   |   TTxC    |   RTxCA   |   N/A   |  Open  |  N/A   | 2 & 4  |
   |           |           |         |        |        | closed |
   |-----------+-----------+---------+--------+--------+--------|
   |   TTxC    |  Send no  |   N/A   |  N/A   |  N/A   |  All   |
   |           |   clock   |         |        |        |  open  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  INTERFACE CONFIGURATION                   |
   |------------------------------------------------------------|
   |    Setting     |                    J12                    |
   |----------------+-------------------------------------------|
   |     RS-232     | Pins 1 & 16, 2 & 17, 5 & 20, 6 & 21, 7 &  |
   |                | 22, 9 & 24, 10 & 25, 11 & 26, 13 & 28, 14 |
   |                |           & 29, 15 & 30 closed            |
   |------------------------------------------------------------|
   |   Note:If transmitting a clock, close pins 4 & 19. If      |
   |   receiving a clock, close pins 8 & 23 for RxC mode and    |
   |   close pins 12 & 27 for TxC mode.                         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  INTERFACE CONFIGURATION                   |
   |------------------------------------------------------------|
   |      Setting       |                  J12                  |
   |--------------------+---------------------------------------|
   |       RS-422       | Pins 1 & 16, 18 & 33, 5 & 20, 6 & 21, |
   |                    |   26 & 41, 29 & 44, 30 & 45 closed    |
   |------------------------------------------------------------|
   |   Note:If transmitting a clock, close Pins 17 & 32, 19 &   |
   |   34. If receiving a clock, close Pins 22 & 37, 23 & 38    |
   |   for RxC mode and close Pins 24 & 39, 27 & 42 for TxC     |
   |   mode.                                                    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  INTERFACE CONFIGURATION                   |
   |------------------------------------------------------------|
   |    Setting    |                    J12                     |
   |---------------+--------------------------------------------|
   | Current Loop  |  Pins 1 & 16, 2 & 17, 3 & 18, 7 & 22, 9 &  |
   |               |   24, 11 & 40, 14 & 43, 14 & 29, 15 & 30   |
   |               |                   closed                   |
   |------------------------------------------------------------|
   |   Note:If using positive voltage, close Pins 21 & 36. If   |
   |   using negative voltage, close Pins 20 & 35.              |
   +------------------------------------------------------------+