CONTROL CONCEPTS, INC.
======================

   HBA-16 (REVISION 1)

   +------------------------------------------------------------+
   |------------------------------------------------------------|
   | Data bus:         | 16-bit, ISA                            |
   |-------------------+----------------------------------------|
   | Size:             | Three/quarter-length, full-height card |
   |-------------------+----------------------------------------|
   | Hard drive        | Two IDE (AT) Interface drives          |
   | supported:        |                                        |
   |-------------------+----------------------------------------|
   | Hard drive        | Up to seven SCSI devices               |
   | supported:        |                                        |
   |-------------------+----------------------------------------|
   | Floppy drives     | Two 360KB, 720KB, 1.2MB, or 1.44MB     |
   | supported:        | drives                                 |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/c/C-D/20432-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                    Function                     | Location |
   |-------------------------------------------------+----------|
   | 50-pin SCSI connector - external                |    J1    |
   |-------------------------------------------------+----------|
   | 50-pin SCSI connector - internal                |    J2    |
   |-------------------------------------------------+----------|
   | 40-pin AT Interface (IDE) connector             |    J3    |
   |-------------------------------------------------+----------|
   | 4-pin connector-Drive active LED                |    J8    |
   |-------------------------------------------------+----------|
   | 34-pin control cable connector-floppy drive     |    J9    |
   |-------------------------------------------------+----------|
   | 34-pin control cable connector-floppy drive     |   J10    |
   | (not used)                                      |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |             Function              |   Location   | Setting |
   |-----------------------------------+--------------+---------|
   |>> | Interrupt Requests IRQ3, 5,   |  J4/jumpers  |  open   |
   |   | 7, and 11 disabled            |     1-4      |         |
   |---+-------------------------------+--------------+---------|
   |   | Interrupt Requests IRQ3, 5,   |  J4/jumpers  | closed  |
   |   | 7, and 11 enabled             |     1-4      |         |
   |---+-------------------------------+--------------+---------|
   |>> | Hard drive enabled            |      J5      |  open   |
   |---+-------------------------------+--------------+---------|
   |   | Hard drive disabled           |      J5      | closed  |
   |---+-------------------------------+--------------+---------|
   |>> | Floppy drive enabled          |      J6      |  open   |
   |---+-------------------------------+--------------+---------|
   |   | Floppy drive disabled         |      J6      | closed  |
   |---+-------------------------------+--------------+---------|
   |>> | I/O port address is 1E0-1EFh  | SW1/switch 4 |   off   |
   |---+-------------------------------+--------------+---------|
   |   | I/O port address is 3E0-3EFh  | SW1/switch 4 |   on    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        BIOS ADDRESS                        |
   |------------------------------------------------------------|
   |    Address    | SW1/switch 1 | SW1/switch 2 | SW1/switch 3 |
   |---------------+--------------+--------------+--------------|
   |>> |  CC000h   |     off      |     off      |     off      |
   |---+-----------+--------------+--------------+--------------|
   |   |  D0000h   |      on      |     off      |     off      |
   |---+-----------+--------------+--------------+--------------|
   |   |  D4000h   |     off      |      on      |     off      |
   |---+-----------+--------------+--------------+--------------|
   |   |  D8000h   |      on      |      on      |     off      |
   |---+-----------+--------------+--------------+--------------|
   |   |  DCOO0h   |     off      |     off      |      on      |
   |---+-----------+--------------+--------------+--------------|
   |   |  C4000h   |      on      |     off      |      on      |
   |---+-----------+--------------+--------------+--------------|
   |   |  C8000h   |     off      |      on      |      on      |
   |---+-----------+--------------+--------------+--------------|
   |   | Disabled  |      on      |      on      |      on      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                          SCSI ID                           |
   |------------------------------------------------------------|
   |     ID     | SW1/switch 5  | SW1/switch 6  | SW1/switch 7  |
   |------------+---------------+---------------+---------------|
   |>> |   7    |      off      |      off      |      off      |
   |---+--------+---------------+---------------+---------------|
   |   |   6    |      on       |      off      |      off      |
   |---+--------+---------------+---------------+---------------|
   |   |   5    |      off      |      on       |      off      |
   |---+--------+---------------+---------------+---------------|
   |   |   4    |      on       |      on       |      off      |
   |---+--------+---------------+---------------+---------------|
   |   |   3    |      off      |      off      |      on       |
   |---+--------+---------------+---------------+---------------|
   |   |   2    |      on       |      off      |      on       |
   |---+--------+---------------+---------------+---------------|
   |   |   1    |      off      |      on       |      on       |
   |---+--------+---------------+---------------+---------------|
   |   |   0    |      on       |      on       |      on       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               MISCELLANEOUS TECHNICAL NOTES                |
   |------------------------------------------------------------|
   |          SW1/switch 8 and Jumper J7 are not used.          |
   +------------------------------------------------------------+