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

   QD6580W/757/777/787/797VL

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

<gopher://bitreich.org/I/th99/c/P-R/20852-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                    Function                     | Location |
   |-------------------------------------------------+----------|
   | 40-pin primary IDE(AT) connector                |   CN1    |
   |-------------------------------------------------+----------|
   | 40-pin secondary IDE(AT) connector              |   CN2    |
   |-------------------------------------------------+----------|
   | 34-pin cable connector - floppy drive           |   CN3    |
   |-------------------------------------------------+----------|
   | 16-pin game port                                |   CN4    |
   |-------------------------------------------------+----------|
   | 9-pin serial port 1 - external, 10-pin serial   |   CN5    |
   | port 1 internal                                 |          |
   |-------------------------------------------------+----------|
   | 10-pin serial port 2 - internal                 |   CN6    |
   |-------------------------------------------------+----------|
   | 25-pin parallel port - external                 |   CN7    |
   |-------------------------------------------------+----------|
   | 2-pin connector - drive active LED              |   CN8    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              PARALLEL PORT ADDRESS SELECTION               |
   |------------------------------------------------------------|
   |       LPT        |        JP6         |        JP7         |
   |------------------+--------------------+--------------------|
   |>> | LPT1 (378h)  | pins 2 & 3 closed  | pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   | LPT2 (278h)  | pins 1 & 2 closed  | pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   | LPT3 (3BCh)  | pins 2 & 3 closed  | pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |   Disabled   | pins 1 & 2 closed  | pins 1 & 2 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function               |  Location  | Setting |
   |-------------------------------------+------------+---------|
   |>> | Primary IDE controls disk       |    JP1     |  open   |
   |   | peripherals only                |            |         |
   |---+---------------------------------+------------+---------|
   |   | Primary IDE controls disk and   |    JP1     | closed  |
   |   | non-disk peripherals            |            |         |
   |---+---------------------------------+------------+---------|
   |>> | Sense clock frequency from VL   | JP2/pins 2 | closed  |
   |   | slot                            |    & 3     |         |
   |---+---------------------------------+------------+---------|
   |   | Does not sense clock frequency  | JP2/pins 1 | closed  |
   |   | from VL slot                    |    & 2     |         |
   |---+---------------------------------+------------+---------|
   |>> | IDE(AT) interface enabled       | JP3/pins 2 | closed  |
   |   |                                 |    & 3     |         |
   |---+---------------------------------+------------+---------|
   |   | IDE(AT) interface disabled      | JP3/pins 1 | closed  |
   |   |                                 |    & 2     |         |
   |---+---------------------------------+------------+---------|
   |>> | Primary IDE at 1FXh & secondary |    JP4     | closed  |
   |   | IDE at 17Xh enabled             |            |         |
   |---+---------------------------------+------------+---------|
   |   | Only primary IDE at 1FX enabled |    JP4     |  open   |
   |---+---------------------------------+------------+---------|
   |>> | Chipset register address is     | JP5/pins 2 | closed  |
   |   | 0BXh                            |    & 3     |         |
   |---+---------------------------------+------------+---------|
   |   | Chipset register address is     | JP5/pins 1 |  open   |
   |   | 03Xh                            |    & 2     |         |
   |---+---------------------------------+------------+---------|
   |>> | Floppy drive interface enabled  | JP12/pins  | closed  |
   |   |                                 |   2 & 3    |         |
   |---+---------------------------------+------------+---------|
   |   | Floppy drive interface disabled | JP12/pins  | closed  |
   |   |                                 |   1 & 2    |         |
   |---+---------------------------------+------------+---------|
   |>> | Floppy drive order is normal    | JP13/pins  | closed  |
   |   | (A:, B:)                        |   2 & 3    |         |
   |---+---------------------------------+------------+---------|
   |   | Floppy drive order is reversed  | JP13/pins  | closed  |
   |   | (B:, A:)                        |   1 & 2    |         |
   |---+---------------------------------+------------+---------|
   |>> | Game port enabled               |    JP14    | closed  |
   |---+---------------------------------+------------+---------|
   |   | Game port disabled              |    JP14    |  open   |
   |---+---------------------------------+------------+---------|
   |>> | Parallel port IRQ 7 select      | JP15/pins  | closed  |
   |   |                                 |   2 & 3    |         |
   |---+---------------------------------+------------+---------|
   |   | Parallel port IRQ 5 select      | JP15/pins  | closed  |
   |   |                                 |   1 & 2    |         |
   |---+---------------------------------+------------+---------|
   |>> | Parallel port is unidirectional |    JP16    | closed  |
   |---+---------------------------------+------------+---------|
   |   | Parallel port is bi-directional |    JP16    |  open   |
   |---+---------------------------------+------------+---------|
   |>> | Factory configured - do not     |    JP17    |   N/A   |
   |   | alter                           |            |         |
   |---+---------------------------------+------------+---------|
   |>> | Factory configured - do not     |    JP18    |   N/A   |
   |   | alter                           |            |         |
   |---+---------------------------------+------------+---------|
   |>> | Factory configured - do not     |    JP19    |   N/A   |
   |   | alter                           |            |         |
   |---+---------------------------------+------------+---------|
   |>> | Factory configured - do not     |    JP20    |   N/A   |
   |   | alter                           |            |         |
   |---+---------------------------------+------------+---------|
   |>> | Factory configured - do not     |    JP21    |   N/A   |
   |   | alter                           |            |         |
   |---+---------------------------------+------------+---------|
   |>> | Factory configured - do not     |    JP22    |   N/A   |
   |   | alter                           |            |         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              SERIAL PORT 1 ADDRESS SELECTION               |
   |------------------------------------------------------------|
   |       COM        |        JP8         |        JP9         |
   |------------------+--------------------+--------------------|
   |>> | COM1 (3F8h)  | pins 2 & 3 closed  | pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   | COM3 (3E8h)  | pins 1 & 2 closed  | pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |   Disabled   | pins 1 & 2 closed  | pins 1 & 2 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |              SERIAL PORT 2 ADDRESS SELECTION               |
   |------------------------------------------------------------|
   |       COM        |        JP10        |        JP11        |
   |------------------+--------------------+--------------------|
   |>> | COM2 (2F8h)  | pins 2 & 3 closed  | pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   | COM4 (2E8h)  | pins 1 & 2 closed  | pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |   Disabled   | pins 1 & 2 closed  | pins 1 & 2 closed  |
   +------------------------------------------------------------+