(TXT) View Source
       
       # DTK COMPUTER, INC.
       
          PTI-215
       
          +------------------------------------------------------------+
          +------------------------------------------------------------+
       
          Data bus: 16-bit, ISA
       
          Size: Half-length, full-height card
       
          Hard drives supported:  Two IDE (AT) Interface drives
       
          Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |                   Function                   |  Location   |
          |----------------------------------------------+-------------|
          | 4-pin connector-drive active LED             |     J1      |
          |----------------------------------------------+-------------|
          | 40-pin AT Interface (IDE) connector-internal |     J2      |
          |----------------------------------------------+-------------|
          | 34-pin data cable connector-floppy drive     |     J3      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |              Function              | Location |  Setting   |
          |------------------------------------+----------+------------|
          | » | Hard drive enabled             |   JP1    |   closed   |
          |---+--------------------------------+----------+------------|
          |   | Hard drive disabled            |   JP1    |    open    |
          |---+--------------------------------+----------+------------|
          | » | Normal operation               |   JP2    | pins 1 & 2 |
          |   |                                |          |   closed   |
          |---+--------------------------------+----------+------------|
          |   | Supports old IDE drive types   |   JP2    | pins 2 & 3 |
          |   | (ie: Conner CP-342)            |          |   closed   |
          |---+--------------------------------+----------+------------|
          | » | Single speed floppy drives     |   JP3    | pins 1 & 2 |
          |   |                                |          |   closed   |
          |---+--------------------------------+----------+------------|
          |   | Dual speed floppy drives       |   JP3    | pins 2 & 3 |
          |   |                                |          |   closed   |
          |---+--------------------------------+----------+------------|
          |   | Precomp. value dependent on    |          |            |
          |   | data rate as follows:          |          |            |
          |   |                                |          |            |
          |   | 500Kb/sec = 125ns precomp.     |          |            |
          |   |                                |          |            |
          |   | 125Kb/sec = 208ns precomp.     |          |            |
          |   |                                |   JP4    | pins 1 & 2 |
          |   | 125Kb/sec = 250ns precomp.     |          |   closed   |
          |   |                                |          |            |
          |   | 1000Kb/sec = 83ns precomp.     |          |            |
          |---+--------------------------------+----------+------------|
          |   | Precomp. value dependent on    |          |            |
          |   | data rate as follows:          |          |            |
          |   |                                |          |            |
          |   | 500Kb/sec = 125ns precomp.     |          |            |
          |   |                                |          |            |
          |   | 300Kb/sec = 125ns precomp.     |          |            |
          |   |                                |   JP4    | pins 2 & 3 |
          |   | 250Kb/sec = 125ns precomp.     |          |   closed   |
          |   |                                |          |            |
          |   | 1000Kb/sec = 83ns precomp.     |          |            |
          +------------------------------------------------------------+