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

   QD6500,  QD6500A VL

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

<gopher://bitreich.org/I/th99/c/P-R/20752-1.png>
   

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

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function              | Location |  Setting   |
   |------------------------------------+----------+------------|
   |>> | Factory configured - do not    |   JP1    |    open    |
   |   | alter                          |          |            |
   |---+--------------------------------+----------+------------|
   |>> | Factory configured - do not    |   JP2    | pins 2 & 3 |
   |   | alter                          |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Chipset register address =     |   JP3    | pins 2 & 3 |
   |   | 0BXh                           |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Chipset register address =     |   JP3    | pins 1 & 2 |
   |   | 03Xh                           |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | IDE port address = 1F0h        |   JP4    | pins 2 & 3 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | IDE port address = 170h        |   JP4    | pins 1 & 2 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Floppy drive enabled           |   JP8    | pins 1 & 2 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Floppy drive disabled          |   JP8    | pins 2 & 3 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |>> | Game port enabled              |   JP13   | pins 1 & 2 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Game port disabled             |   JP13   | pins 2 & 3 |
   |   |                                |          |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function              | Location |  Setting   |
   |------------------------------------+----------+------------|
   |>> | IDE IRQ = IRQ14                |   JP15   | pins 1 & 2 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | IDE IRQ = IRQ15                |   JP15   | pins 2 & 3 |
   |   |                                |          |   closed   |
   |---+--------------------------------+----------+------------|
   |   | Address lines 3F7/177h enabled |   JP16   |   closed   |
   |   | (74LS244 chip installed)       |          |            |
   |---+--------------------------------+----------+------------|
   |   | Address lines 3F7/177h         |   JP16   |    open    |
   |   | disabled                       |          |            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                SERIAL PORT 1 CONFIGURATION                 |
   |------------------------------------------------------------|
   |       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 CONFIGURATION                 |
   |------------------------------------------------------------|
   |       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 CONFIGURATION                 |
   |------------------------------------------------------------|
   |   LPT/Address    |        JP9         |        JP10        |
   |------------------+--------------------+--------------------|
   |>> |  LPT1/378h   | pins 1 & 2 closed  | pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |  LPT2/278h   | 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  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    BIOS ADDRESS - JP14                     |
   |------------------------------------------------------------|
   |    Address    | Jumper A  | Jumper B | Jumper C | Jumper D |
   |---------------+-----------+----------+----------+----------|
   |>> | Disabled  |  closed   |   open   |   open   |   open   |
   |---+-----------+-----------+----------+----------+----------|
   |   |   C800h   |   open    |  closed  |   open   |   open   |
   |---+-----------+-----------+----------+----------+----------|
   |   |   D000h   |   open    |   open   |  closed  |   open   |
   |---+-----------+-----------+----------+----------+----------|
   |   |   D800h   |   open    |   open   |   open   |  closed  |
   +------------------------------------------------------------+