(TXT) View Source
       
       # CONTROL CONCEPTS
       
          TRIFECTA
       
          Data Bus      16-bit ISA                                       
          Card Size     Half-length, full-height card                    
          Hard Drives   Two IDE (AT) drives                              
          supported                                                      
                        Up to 7 SCSI devices                             
          Floppy drives Two 360KB, 720KB, 1.2MB, or 1.44MB drives        
          supported     (optional four drives)                           
                                                                         
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |    Function    | Location |      Function       | Location |
          |----------------+----------+---------------------+----------|
          | 50-pin SCSI    |    J1    | 4-pin connector -   |    J8    |
          | connector -    |          | drive active LED    |          |
          | external       |          |                     |          |
          |----------------+----------+---------------------+----------|
          | 50-pin SCSI    |    J2    | 34-pin cable        |    J9    |
          | connector -    |          | connector - floppy  |          |
          | internal       |          | drive               |          |
          |----------------+----------+---------------------+----------|
          | 40-pin IDE(AT) |    J3    | 34-pin cable        |   J10    |
          | connector      |          | connector - floppy  |          |
          |                |          | drive (optional)    |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |                Function                 | Label | Position |
          |-----------------------------------------+-------+----------|
          | » | Not used                            |  J4   |   N/A    |
          |---+-------------------------------------+-------+----------|
          | » | IDE(AT) interface enabled           |  J5   |   Open   |
          |---+-------------------------------------+-------+----------|
          |   | IDE(AT) interface disabled          |  J5   |  Closed  |
          |---+-------------------------------------+-------+----------|
          | » | Floppy drive interface enabled      |  J6   |  Closed  |
          |---+-------------------------------------+-------+----------|
          |   | Floppy drive interface disabled     |  J6   |   Open   |
          |---+-------------------------------------+-------+----------|
          | » | Not used                            |  J7   |   N/A    |
          |---+-------------------------------------+-------+----------|
          | » | Board I/O address is 1E0-1EFh       | SW1/4 |   Off    |
          |---+-------------------------------------+-------+----------|
          |   | Board I/O address is 3E0-3EFh       | SW1/4 |    On    |
          |---+-------------------------------------+-------+----------|
          |   | Control Concepts SCSI drive         | SW1/8 |   Off    |
          |   | formatting mode select              |       |          |
          |---+-------------------------------------+-------+----------|
          |   | Industry Standards SCSI drive       | SW1/8 |    On    |
          |   | formatting mode select              |       |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   BIOS ADDRESS SELECTION                   |
          |------------------------------------------------------------|
          |      Address       |    SW1/1    |   SW1/2    |   SW1/3    |
          |--------------------+-------------+------------+------------|
          |    C4000-C7FFFh    |     On      |    Off     |    Off     |
          |--------------------+-------------+------------+------------|
          |    C8000-CBFFFh    |     Off     |     On     |     On     |
          |--------------------+-------------+------------+------------|
          |    CC000-CFFFFh    |     Off     |    Off     |    Off     |
          |--------------------+-------------+------------+------------|
          |    D0000-D3FFFh    |     On      |    Off     |    Off     |
          |--------------------+-------------+------------+------------|
          |    D4000-D7FFFh    |     Off     |     On     |    Off     |
          |--------------------+-------------+------------+------------|
          |    D8000-DBFFFh    |     On      |     On     |    Off     |
          |--------------------+-------------+------------+------------|
          |    DC000-DFFFFh    |     Off     |    Off     |     On     |
          |--------------------+-------------+------------+------------|
          |      Disabled      |     On      |     On     |     On     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     SCSI ID SELECTION                      |
          |------------------------------------------------------------|
          |     Setting      |    SW1/5    |    SW1/6    |    SW1/7    |
          |------------------+-------------+-------------+-------------|
          |    |      0      |     On      |     On      |     On      |
          |----+-------------+-------------+-------------+-------------|
          |    |      1      |     Off     |     On      |     On      |
          |----+-------------+-------------+-------------+-------------|
          |    |      2      |     On      |     Off     |     On      |
          |----+-------------+-------------+-------------+-------------|
          |    |      3      |     Off     |     Off     |     On      |
          |----+-------------+-------------+-------------+-------------|
          |    |      4      |     On      |     On      |     Off     |
          |----+-------------+-------------+-------------+-------------|
          |    |      5      |     Off     |     On      |     Off     |
          |----+-------------+-------------+-------------+-------------|
          |    |      6      |     On      |     Off     |     Off     |
          |----+-------------+-------------+-------------+-------------|
          | »  |      7      |     Off     |     Off     |     Off     |
          +------------------------------------------------------------+