PLUS DEVELOPMENT CORPORATION
============================

   HARDCARD II XL

   +------------------------------------------------------------+
   +------------------------------------------------------------+

   Data bus: 16-bit, ISA

   Size: Full-length, full-height card

   Hard drives supported:  One AT Interface (IDE) drives

   Floppy drives supported:  None

<gopher://bitreich.org/I/th99/c/P-R/20165-1.png>
   

   +------------------------------------------------------------+
   |              BIOS AND I/O PORT ADDRESS - SW1               |
   |------------------------------------------------------------|
   |   BIOS   |  I/O PORT   | switch | switch | switch | switch |
   |          |             |   1    |   2    |   3    |   4    |
   |----------+-------------+--------+--------+--------+--------|
   |  C8000h  |  170-177h,  |   on   |   on   |   on   |   on   |
   |          |  376-377h   |        |        |        |        |
   |----------+-------------+--------+--------+--------+--------|
   |  CA000h  |  320-327h,  |   on   |   on   |   on   |  off   |
   |          |  32E-32Fh   |        |        |        |        |
   |----------+-------------+--------+--------+--------+--------|
   |  CC000h  |  170-177h,  |   on   |   on   |  off   |   on   |
   |          |  376-377h   |        |        |        |        |
   |----------+-------------+--------+--------+--------+--------|
   |  CE000h  |  320-327h,  |   on   |   on   |  off   |  off   |
   |          |  32E-32Fh   |        |        |        |        |
   |----------+-------------+--------+--------+--------+--------|
   |  D0000h  |  170-177h,  |   on   |  off   |   on   |   on   |
   |          |  376-377h   |        |        |        |        |
   |----------+-------------+--------+--------+--------+--------|
   |  D2000h  |  320-327h,  |   on   |  off   |   on   |  off   |
   |          |  32E-32Fh   |        |        |        |        |
   |----------+-------------+--------+--------+--------+--------|
   |  D4000h  |  170-177h,  |   on   |  off   |  off   |   on   |
   |          |  376-377h   |        |        |        |        |
   |----------+-------------+--------+--------+--------+--------|
   |  D6000h  |  320-327h,  |   on   |  off   |  off   |  off   |
   |          |  32E-32Fh   |        |        |        |        |
   |----------+-------------+--------+--------+--------+--------|
   | Disabled |  1F0-1F7h,  |  off   |  off   |   on   |  off   |
   |          |  3F6-3F7h   |        |        |        |        |
   |----------+-------------+--------+--------+--------+--------|
   | Disabled |  1F0-1F7h,  |  off   |  off   |  off   |  off   |
   |          |  3F6-3F7h   |        |        |        |        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     INTERRUPT REQUEST                      |
   |------------------------------------------------------------|
   |    IRQ     | SW1/switch 5  | SW1/switch 6  | SW1/switch 7  |
   |------------+---------------+---------------+---------------|
   |>> | IRQ11  |      on       |      off      |      off      |
   |---+--------+---------------+---------------+---------------|
   |   | IRQ12  |      off      |      on       |      off      |
   |---+--------+---------------+---------------+---------------|
   |   | IRQ14  |      off      |      off      |      on       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               MISCELLANEOUS TECHNICAL NOTES                |
   |------------------------------------------------------------|
   |      SW1/switch 8 is not used and must be left "off."      |
   +------------------------------------------------------------+