DTK COMPUTER, INC.

PTI-255H

Card Type               Hard drive controller card
Hard Drives supported   Four EIDE drives
Floppy drives supported Two 360KB, 720KB, 1.2MB, or 1.44MB drives
Data Bus                32-bit VESA Local Bus
Card Size               Full-length, half-height card

[Image]

                                CONNECTIONS

        Function           Location          Function           Location

  4-pin connector -           J1       16-pin game port            J5
  drive active LED

  40-pin primary IDE(AT)      J2       10-pin serial port 2        J6
  connector                            - internal

  40-pin secondary            J3       10-pin serial port 2        J7
  IDE(AT) connector                    - internal

  34-pin cable connector      J4       25-pin parallel port        J8
  - floppy drive                       - external

                        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