QDI COMPUTER, INC.
==================

   VISION QD6580/8663A

   Data Bus             32-bit VESA Local Bus                     
   Card Size            Three-quarter length, half-height card    
   Hard Drives          Four IDE (AT) drives                      
   supported            
   Floppy drives        Two 360KB, 720KB, 1.2MB, or 1.44MB drives 
   supported            

<gopher://bitreich.org/I/th99/c/P-R/21036-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |     Function      | Location |     Function     | Location |
   |-------------------+----------+------------------+----------|
   | 40-pin primary    |   CN1    | 9-pin serial     |   CN5    |
   | IDE(AT) connector |          | port 1 -         |          |
   |                   |          | external         |          |
   |-------------------+----------+------------------+----------|
   | 40-pin secondary  |   CN2    | 10-pin serial    |   CN6    |
   | IDE(AT) connector |          | port 2 -         |          |
   |                   |          | internal         |          |
   |-------------------+----------+------------------+----------|
   | 34-pin cable      |   CN3    | 25-pin parallel  |   CN7    |
   | connector -       |          | port - external  |          |
   | floppy drive      |          |                  |          |
   |-------------------+----------+------------------+----------|
   | 16-pin game port  |   CN4    | 4-pin connector  |   CN10   |
   |                   |          | - drive active   |          |
   |                   |          | LED              |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |                Function                | Label | Position  |
   |----------------------------------------+-------+-----------|
   |>> | Primary IDE interface supports     |  JP1  |   Open    |
   |   | disk drives only                   |       |           |
   |---+------------------------------------+-------+-----------|
   |   | Primary IDE interface supports     |  JP1  |  Closed   |
   |   | disk/non-disk peripherals          |       |           |
   |---+------------------------------------+-------+-----------|
   |>> | Factory configured - do not alter  |  JP2  | Pins 2 &  |
   |   | (sense CLK frequency from VL slot) |       | 3 closed  |
   |---+------------------------------------+-------+-----------|
   |>> | IDE(AT) interface enabled          |  JP3  | Pins 2 &  |
   |   |                                    |       | 3 closed  |
   |---+------------------------------------+-------+-----------|
   |   | IDE(AT) interface disabled         |  JP3  | Pins 1 &  |
   |   |                                    |       | 2 closed  |
   |---+------------------------------------+-------+-----------|
   |>> | Both IDE(AT) interfaces enabled    |  JP4  |  Closed   |
   |   |                                    |       |           |
   |   | (1Fxh/3Fxh is primary I/O address  |       |           |
   |   | & 17Xh/37Xh is secondary address)  |       |           |
   |---+------------------------------------+-------+-----------|
   |   | One IDE(AT) interface enabled      |  JP4  |   Open    |
   |   |                                    |       |           |
   |   | (IFXh/3FXh is I/O address)         |       |           |
   |---+------------------------------------+-------+-----------|
   |>> | Chip registers port 0BXh select    |  JP5  | Pins 2 &  |
   |   |                                    |       | 3 closed  |
   |---+------------------------------------+-------+-----------|
   |   | Chip registers port 03Xh select    |  JP5  | Pins 1 &  |
   |   |                                    |       | 2 closed  |
   |---+------------------------------------+-------+-----------|
   |>> | Floppy drive interface enabled     |  JP8  | Pins 1 &  |
   |   |                                    |       | 2 closed  |
   |---+------------------------------------+-------+-----------|
   |   | Floppy drive interface disabled    |  JP8  | Pins 2 &  |
   |   |                                    |       | 3 closed  |
   |---+------------------------------------+-------+-----------|
   |>> | Parallel port I/O address is 378h  | JP11  | Pins 1 &  |
   |   |                                    |       | 2 closed  |
   |---+------------------------------------+-------+-----------|
   |   | Parallel port I/O address is 278h  | JP11  | Pins 2 &  |
   |   |                                    |       | 3 closed  |
   |---+------------------------------------+-------+-----------|
   |>> | Game port enabled                  | JP14  | Pins 1 &  |
   |   |                                    |       | 2 closed  |
   |---+------------------------------------+-------+-----------|
   |   | Game port disabled                 | JP14  | Pins 2 &  |
   |   |                                    |       | 3 closed  |
   |---+------------------------------------+-------+-----------|
   |>> | Parallel port IRQ 7 select         | JP15  | Pins 2 &  |
   |   |                                    |       | 3 closed  |
   |---+------------------------------------+-------+-----------|
   |   | Parallel port IRQ 5 select         | JP15  | Pins 1 &  |
   |   |                                    |       | 2 closed  |
   |------------------------------------------------------------|
   | Note: When using a non-disk peripheral, it is advisable to |
   |      close JP4 and connect it to the secondary port.       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   DMA CHANNEL SELECTION                    |
   |------------------------------------------------------------|
   |     Channel      |        JP16        |        JP17        |
   |------------------+--------------------+--------------------|
   |    |      1      | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
   |----+-------------+--------------------+--------------------|
   |>>  |      3      | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              SERIAL PORT 1 ADDRESS SELECTION               |
   |------------------------------------------------------------|
   |     Setting      |        JP6         |        JP7         |
   |------------------+--------------------+--------------------|
   |       COM1       | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
   |------------------+--------------------+--------------------|
   |       COM3       | Pins 1 & 2 closed  | Pins 2 & 3 closed  |
   |------------------+--------------------+--------------------|
   |     Disabled     | Pins 2 & 3 closed  | Pins 1 & 2 closed  |
   |------------------+--------------------+--------------------|
   |     Disabled     | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              SERIAL PORT 2 ADDRESS SELECTION               |
   |------------------------------------------------------------|
   |     Setting      |        JP12        |        JP13        |
   |------------------+--------------------+--------------------|
   |       COM2       | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
   |------------------+--------------------+--------------------|
   |       COM4       | Pins 1 & 2 closed  | Pins 2 & 3 closed  |
   |------------------+--------------------+--------------------|
   |     Disabled     | Pins 2 & 3 closed  | Pins 1 & 2 closed  |
   |------------------+--------------------+--------------------|
   |     Disabled     | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                PARALLEL PORT MODE SELECTION                |
   |------------------------------------------------------------|
   |     Setting      |        JP9         |        JP10        |
   |------------------+--------------------+--------------------|
   |       ECP        | Pins 1 & 2 closed  | Pins 2 & 3 closed  |
   |------------------+--------------------+--------------------|
   |       EPP        | Pins 2 & 3 closed  | Pins 2 & 3 closed  |
   |------------------+--------------------+--------------------|
   |  Bi-Directional  | Pins 1 & 2 closed  | Pins 1 & 2 closed  |
   |------------------+--------------------+--------------------|
   |     Disabled     | Pins 2 & 3 closed  | Pins 1 & 2 closed  |
   +------------------------------------------------------------+