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

   QD6500A VL/V2

   +------------------------------------------------------------+
   |------------------------------------------------------------|
   | Data bus:         | 32-bit VL-bus                          |
   |-------------------+----------------------------------------|
   | Size:             | Three-quarter length, half-height card |
   |-------------------+----------------------------------------|
   | Hard drive        | Two IDE(AT) drives                     |
   | supported:        |                                        |
   |-------------------+----------------------------------------|
   | Floppy drives     | Two 360KB, 720KB, 1.2MB, or 1.44MB     |
   | supported:        | drives                                 |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/c/P-R/20883-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                    Function                     | Location |
   |-------------------------------------------------+----------|
   | 40-pin IDE(AT) connector                        |   CN1    |
   |-------------------------------------------------+----------|
   | 34-pin cable connector - floppy drive           |   CN2    |
   |-------------------------------------------------+----------|
   | 16-pin game port                                |   CN3    |
   |-------------------------------------------------+----------|
   | 9-pin serial port 1 - external, 10-pin serial   |   CN4    |
   | port 1 internal                                 |          |
   |-------------------------------------------------+----------|
   | 10-pin serial port 2 - internal                 |   CN5    |
   |-------------------------------------------------+----------|
   | 25-pin parallel port - external                 |   CN6    |
   |-------------------------------------------------+----------|
   | 2-pin connector - drive active LED              |   JP5    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |             Function              | Location |   Setting   |
   |-----------------------------------+----------+-------------|
   |>> | VL IDE controller enabled     |   JP1    |    open     |
   |---+-------------------------------+----------+-------------|
   |   | VL IDE controller disabled    |   JP1    |   closed    |
   |---+-------------------------------+----------+-------------|
   |>> | Sense clock frequency from VL |   JP2    | pins 2 & 3  |
   |   | slot enabled                  |          |   closed    |
   |---+-------------------------------+----------+-------------|
   |   | Sense clock frequency from VL |   JP2    | pins 1 & 2  |
   |   | slot disabled                 |          |   closed    |
   |---+-------------------------------+----------+-------------|
   |>> | Chipset register address is   |   JP3    | pins 2 & 3  |
   |   | 0BXh                          |          |   closed    |
   |---+-------------------------------+----------+-------------|
   |   | Chipset register address is   |   JP3    | pins 1 & 2  |
   |   | 03Xh                          |          |   closed    |
   |---+-------------------------------+----------+-------------|
   |>> | Primary IDE port addresses    |   JP4    | pins 2 & 3  |
   |   | are 1F0h-1F7h,3F6h,3F7h       |          |   closed    |
   |---+-------------------------------+----------+-------------|
   |   | Secondary IDE port addresses  |   JP4    | pins 1 & 2  |
   |   | are 170h-177h,376h,377h       |          |   closed    |
   |---+-------------------------------+----------+-------------|
   |>> | Floppy drive interface        |   JP8    | pins 1 & 2  |
   |   | enabled                       |          |   closed    |
   |---+-------------------------------+----------+-------------|
   |   | Floppy drive interface        |   JP8    | pints 2 & 3 |
   |   | disabled                      |          |   closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |           USER CONFIGURABLE SETTINGS (CONTINUED)           |
   |------------------------------------------------------------|
   |          Function           | Location |      Setting      |
   |-----------------------------+----------+-------------------|
   |>> | Game port enabled       |   JP13   | pins 1 & 2 closed |
   |---+-------------------------+----------+-------------------|
   |   | Game port disabled      |   JP13   | pins 2 & 3 closed |
   |---+-------------------------+----------+-------------------|
   |>> | IDE IRQ 14 select       |   JP15   | pins 1 & 2 closed |
   |---+-------------------------+----------+-------------------|
   |   | IDE IRQ 15 select       |   JP15   | pins 2 & 3 closed |
   |---+-------------------------+----------+-------------------|
   |>> | Floppy address 3F7/177h |   JP16   |      closed       |
   |   | enabled                 |          |                   |
   |---+-------------------------+----------+-------------------|
   |   | Floppy address 3F7/177h |   JP16   |       open        |
   |   | disabled                |          |                   |
   +------------------------------------------------------------+

   +--------------------------------------------------------------+
   |                    BIOS ADDRESS SELECTION                    |
   |--------------------------------------------------------------|
   |   Address   |JP14/1|JP14/2|JP14/3|JP14/4|JP14/5|JP14/6|JP14/7|
   |-------------+------+------+------+------+------+------+------|
   |>>|Disabled   |closed| open | open | open | open | open | open |
   | |BIOS       |      |      |      |      |      |      |      |
   |-+-----------+------+------+------+------+------+------+------|
   | |C800H-CBFFH| open |closed| open | open | open | open | open |
   |-+-----------+------+------+------+------+------+------+------|
   | |CC00H-CFFFH| open | open |closed| open | open | open | open |
   |-+-----------+------+------+------+------+------+------+------|
   | |D000H-D3FFH| open | open | open |closed| open | open | open |
   |-+-----------+------+------+------+------+------+------+------|
   | |D400H-D7FFH| open | open | open | open |closed| open | open |
   |-+-----------+------+------+------+------+------+------+------|
   | |D800H-DBFFH| open | open | open | open | open |closed| open |
   |-+-----------+------+------+------+------+------+------+------|
   | |DC00H-DFFFH| open | open | open | open | open | open |closed|
   |--------------------------------------------------------------|
   |Note: These settings apply when BIOS EPROM is installed       |
   +--------------------------------------------------------------+

   +------------------------------------------------------------+
   |              SERIAL PORT 1 ADDRESS SELECTION               |
   |------------------------------------------------------------|
   |       COM        |        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               |
   |------------------------------------------------------------|
   |       COM        |        JP11        |        JP12        |
   |------------------+--------------------+--------------------|
   |>> |     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 ADDRESS SELECTION               |
   |------------------------------------------------------------|
   |     Address      |        JP9         |        JP10        |
   |------------------+--------------------+--------------------|
   |>> |     378h     | pins 1 & 2 closed  | pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |     278h     | 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  |
   +------------------------------------------------------------+