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

   MXI-100

   Card Type          Serial I/O controller                       
   Chipset/Controller Unidentified                                
   I/O Options        I/O port                                    
   Maximum DRAM       N/A                                         

<gopher://bitreich.org/I/th99/i/P-R/50477-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |            Purpose            |          Location          |
   |-------------------------------+----------------------------|
   | I/O interface                 |             J1             |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      INTERRUPT SOURCE                      |
   |------------------------------------------------------------|
   |               Source               |   J4/A    |   J4/B    |
   |------------------------------------+-----------+-----------|
   |>> | Terminal count on DMA transfer |  Closed   |   Open    |
   |---+--------------------------------+-----------+-----------|
   |   |            TMS9914A            |   Open    |  Closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      INTERRUPT SELECT                      |
   |------------------------------------------------------------|
   | IRQ  |  J1/A  |  J1/B  |  J1/C  |  J1/D  |  J1/E  |  J1/F  |
   |------+--------+--------+--------+--------+--------+--------|
   | IRQ2 | Closed |  Open  |  Open  |  Open  |  Open  |  Open  |
   |------+--------+--------+--------+--------+--------+--------|
   | IRQ3 |  Open  | Closed |  Open  |  Open  |  Open  |  Open  |
   |------+--------+--------+--------+--------+--------+--------|
   | IRQ4 |  Open  |  Open  | Closed |  Open  |  Open  |  Open  |
   |------+--------+--------+--------+--------+--------+--------|
   | IRQ5 |  Open  |  Open  |  Open  | Closed |  Open  |  Open  |
   |------+--------+--------+--------+--------+--------+--------|
   | IRQ6 |  Open  |  Open  |  Open  |  Open  | Closed |  Open  |
   |------+--------+--------+--------+--------+--------+--------|
   | IRQ7 |  Open  |  Open  |  Open  |  Open  |  Open  | Closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DMA CONFIGURATION                      |
   |------------------------------------------------------------|
   | DMA  |  J2/A  |  J2/B  |  J2/C  |  J3/A  |  J3/B  |  J3/C  |
   |------+--------+--------+--------+--------+--------+--------|
   |  1   | Closed |  Open  |  Open  | Closed |  Open  |  Open  |
   |------+--------+--------+--------+--------+--------+--------|
   |  2   |  Open  | Closed |  Open  |  Open  | Closed |  Open  |
   |------+--------+--------+--------+--------+--------+--------|
   |  3   |  Open  |  Open  | Closed |  Open  |  Open  | Closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                       ADDRESS SELECT                       |
   |------------------------------------------------------------|
   |Address |SW1/1 |SW1/2 |SW1/3 |SW1/4 |SW1/5|SW1/6|SW1/7|SW1/8|
   |--------+------+------+------+------+-----+-----+-----+-----|
   |>> |318h | Off  | Off  |  On  |  On  | On  | Off | Off | Off |
   |--+-----+------+------+------+------+-----+-----+-----+-----|
   |  |210h | Off  |  On  |  On  |  On  | On  | Off | On  | Off |
   |--+-----+------+------+------+------+-----+-----+-----+-----|
   |  |360h | Off  | Off  |  On  | Off  | Off | On  | On  | Off |
   +------------------------------------------------------------+