(TXT) View Source
       
       # DTK COMPUTER, INC.
       
          PTI-255H
       
          Card Type            Hard drive controller card                
          Hard Drives          Four EIDE drives                          
          supported            
          Floppy drives        Two 360KB, 720KB, 1.2MB, or 1.44MB drives 
          supported            
          Data Bus             32-bit VESA Local Bus                     
          Card Size            Full-length, half-height card             
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |     Function      | Location |     Function     | Location |
          |-------------------+----------+------------------+----------|
          | 4-pin connector - |    J1    | 16-pin game port |    J5    |
          | drive active LED  |          |                  |          |
          |-------------------+----------+------------------+----------|
          | 40-pin primary    |    J2    | 10-pin serial    |    J6    |
          | IDE(AT) connector |          | port 2 -         |          |
          |                   |          | internal         |          |
          |-------------------+----------+------------------+----------|
          | 40-pin secondary  |    J3    | 10-pin serial    |    J7    |
          | IDE(AT) connector |          | port 2 -         |          |
          |                   |          | internal         |          |
          |-------------------+----------+------------------+----------|
          | 34-pin cable      |    J4    | 25-pin parallel  |    J8    |
          | connector -       |          | port - external  |          |
          | floppy drive      |          |                  |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |              Function               | Label |   Position   |
          |-------------------------------------+-------+--------------|
          | » | IDE(0) interface enabled        |  W8   |  Pins 2 & 3  |
          |   |                                 |       |    closed    |
          |---+---------------------------------+-------+--------------|
          |   | IDE(0) interface disabled       |  W8   |  Pins 1 & 2  |
          |   |                                 |       |    closed    |
          |---+---------------------------------+-------+--------------|
          | » | IDE(1) interface enabled        |  W9   |  Pins 2 & 3  |
          |   |                                 |       |    closed    |
          |---+---------------------------------+-------+--------------|
          |   | IDE(1) interface disabled       |  W9   |  Pins 1 & 2  |
          |   |                                 |       |    closed    |
          |---+---------------------------------+-------+--------------|
          | » | Floppy drive interface enabled  |  W22  |     Open     |
          |---+---------------------------------+-------+--------------|
          |   | Floppy drive interface disabled |  W22  |    Closed    |
          |---+---------------------------------+-------+--------------|
          | » | Game port enable                |  W24  |     open     |
          |---+---------------------------------+-------+--------------|
          |   | Game port disable               |  W24  |    closed    |
          |---+---------------------------------+-------+--------------|
          | » | Serial port 1 enabled           |  W27  |     Open     |
          |---+---------------------------------+-------+--------------|
          |   | Serial port 1 disabled          |  W27  |    Closed    |
          |---+---------------------------------+-------+--------------|
          | » | Parallel port enabled           |  W28  |     Open     |
          |---+---------------------------------+-------+--------------|
          |   | Parallel port disabled          |  W28  |    Closed    |
          |---+---------------------------------+-------+--------------|
          | » | Serial port 2 enabled           |  W30  |     Open     |
          |---+---------------------------------+-------+--------------|
          |   | Serial port 2 disabled          |  W30  |    Closed    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              PARALLEL PORT ADDRESS SELECTION               |
          |------------------------------------------------------------|
          |        Setting         |     Label      |     Position     |
          |------------------------+----------------+------------------|
          | » |    LPT1 (378h)     |      W25       |       Open       |
          |---+--------------------+----------------+------------------|
          |   |    LPT2 (278h)     |      W25       |      Closed      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              SERIAL PORT 1 ADDRESS SELECTION               |
          |------------------------------------------------------------|
          |        Setting         |     Label      |     Position     |
          |------------------------+----------------+------------------|
          | » |    COM1 (3F8h)     |      W26       |       Open       |
          |---+--------------------+----------------+------------------|
          |   |    COM3 (3E8h)     |      W26       |      Closed      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              SERIAL PORT 2 ADDRESS SELECTION               |
          |------------------------------------------------------------|
          |        Setting         |     Label      |     Position     |
          |------------------------+----------------+------------------|
          | » |    COM2 (2F8h)     |      W29       |       Open       |
          |---+--------------------+----------------+------------------|
          |   |    COM4 (2E8h)     |      W29       |      Closed      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             SERIAL PORT 1 INTERRUPT SELECTION              |
          |------------------------------------------------------------|
          |      IRQ      |     W36      |     W37      |     W38      |
          |---------------+--------------+--------------+--------------|
          |   |   IRQ3    |     Open     |    Closed    |     Open     |
          |---+-----------+--------------+--------------+--------------|
          | » |   IRQ4    |    Closed    |     Open     |     Open     |
          |---+-----------+--------------+--------------+--------------|
          |   |   IRQ5    |     Open     |     Open     |    Closed    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             SERIAL PORT 2 INTERRUPT SELECTION              |
          |------------------------------------------------------------|
          |      IRQ      |     W39      |     W40      |     W41      |
          |---------------+--------------+--------------+--------------|
          | » |   IRQ3    |    Closed    |     Open     |     Open     |
          |---+-----------+--------------+--------------+--------------|
          |   |   IRQ4    |     Open     |    Closed    |     Open     |
          |---+-----------+--------------+--------------+--------------|
          |   |   IRQ5    |     Open     |     Open     |    Closed    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             PARALLEL PORT INTERRUPT SELECTION              |
          |------------------------------------------------------------|
          |          IRQ          |       W42        |       W43       |
          |-----------------------+------------------+-----------------|
          | »   |      IRQ7       |      Closed      |      Open       |
          |-----+-----------------+------------------+-----------------|
          |     |      IRQ5       |       Open       |     Closed      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                PARALLEL PORT MODE SELECTION                |
          |------------------------------------------------------------|
          |           Setting            |    Label    |   Position    |
          |------------------------------+-------------+---------------|
          | » |     Uni-directional      |     W23     |    Closed     |
          |---+--------------------------+-------------+---------------|
          |   | Bi-Directional (EPP/ECP) |     W23     |     Open      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     I/O CHANNEL READY                      |
          |------------------------------------------------------------|
          | I/O Channel ready  |      Label       |      Position      |
          |--------------------+------------------+--------------------|
          |        ISA         |        W6        | Pins 1 & 2 closed  |
          |--------------------+------------------+--------------------|
          |        759A        |        W6        | Pins 2 & 3 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      SPEED SELECTION                       |
          |------------------------------------------------------------|
          |        Speed        |      Label      |      Position      |
          |---------------------+-----------------+--------------------|
          |   |      33MHz      |       W10       | Pins 1 & 2 closed  |
          |---+-----------------+-----------------+--------------------|
          | » |      50MHz      |       W10       | Pins 2 & 3 closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    IDE TIMING SELECTION                    |
          |------------------------------------------------------------|
          |     IDE Timing     |        W11        |        W12        |
          |--------------------+-------------------+-------------------|
          |   | 240ns (mode 3) | Pins 1 & 2 closed | Pins 1 & 2 closed |
          |---+----------------+-------------------+-------------------|
          |   | 400ns (mode 2) | Pins 1 & 2 closed | Pins 2 & 3 closed |
          |---+----------------+-------------------+-------------------|
          |   | 500ns (mode 1) | Pins 2 & 3 closed | Pins 1 & 2 closed |
          |---+----------------+-------------------+-------------------|
          | » | 600ns (mode 0) | Pins 2 & 3 closed | Pins 2 & 3 closed |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |            FLOPPY DISK DRIVE ADDRESS SELECTION             |
          |------------------------------------------------------------|
          |       Address        |      Label      |     Position      |
          |----------------------+-----------------+-------------------|
          | »   |      3F0h      |       W21       |       Open        |
          |-----+----------------+-----------------+-------------------|
          |     |      370h      |       W21       |      Closed       |
          +------------------------------------------------------------+