
DTK COMPUTER, INC.

PTI-250DW, UN-1081VL

Card Type               Hard drive controller card
Hard Drives supported   Two IDE (AT) 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

  25-pin parallel port -      CN8      16-pin game port            J4
  external

  4-pin connector - drive     J1       Serial port 1               J5
  active LED

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

  34-pin cable connector      J3
  - floppy drive

                        USER CONFIGURABLE SETTINGS

                  Function                      Label        Position

     IDE(AT) IRQ 14 select                       W6         Pins 1 & 2
                                                              closed

      IDE(AT) IRQ 15 select                       W6         Pins 2 & 3
                                                              closed

     Floppy drive address is 3F0h-3F7h           W7         Pins 2 & 3
                                                              closed

      Floppy drive address is 370h-377h           W7         Pins 1 & 2
                                                              closed

     IDE primary address is 1F0h-1F7h,           W8         Pins 2 & 3
      3F6h-3F7h                                               closed

      IDE secondary address is 170h-177h,         W8         Pins 1 & 2
      376h-377h                                               closed

     IDE(AT) interface enabled                   W9         Pins 1 & 2
                                                              closed

      IDE(AT) interface disabled                  W9         Pins 2 & 3
                                                              closed

     Floppy drive interface enabled             W10         Pins 1 & 2
                                                              closed

      Floppy drive interface disabled            W10         Pins 2 & 3
                                                              closed

     Game port enabled                          W26          Closed

      Game port disabled                         W26           Open

                      PARALLEL PORT ADDRESS SELECTION

           Setting                    W15                    W16

          LPT1 (378h)         Pins 2 & 3 closed      Pins 1 & 2 closed

           LPT2 (278h)         Pins 1 & 2 closed      Pins 2 & 3 closed

           LPT3 (3BCh)         Pins 1 & 2 closed      Pins 1 & 2 closed

            Disabled           Pins 2 & 3 closed      Pins 2 & 3 closed

                      SERIAL PORT 1 ADDRESS SELECTION

           Setting                    W11                    W12

          COM1 (3F8h)         Pins 1 & 2 closed      Pins 2 & 3 closed

           COM3 (3E8h)         Pins 2 & 3 closed      Pins 1 & 2 closed

           COM4 (2E8h)         Pins 1 & 2 closed      Pins 1 & 2 closed

            Disabled           Pins 2 & 3 closed      Pins 2 & 3 closed

                      SERIAL PORT 2 ADDRESS SELECTION

           Setting                    W13                    W14

          COM2 (2F8h)         Pins 1 & 2 closed      Pins 2 & 3 closed

           COM3 (3E8h)         Pins 1 & 2 closed      Pins 1 & 2 closed

           COM4 (2E8h)         Pins 2 & 3 closed      Pins 1 & 2 closed

            Disabled           Pins 2 & 3 closed      Pins 2 & 3 closed

                     SERIAL PORT 1 INTERRUPT SELECTION

         IRQ                W18               W19               W20

          IRQ3             Open             Closed             Open

         IRQ4            Closed             Open              Open

          IRQ5             Open              Open             Closed

                     SERIAL PORT 2 INTERRUPT SELECTION

        IRQ                W21               W22                W23

         IRQ3           Closed              Open              Open

          IRQ4            Open              Closed             Open

          IRQ5            Open               Open             Closed

                     PARALLEL PORT INTERRUPT SELECTION

            IRQ                      W24                     W25

            IRQ7                  Closed                   Open

             IRQ5                   Open                   Closed

                       PARALLEL PORT MODE SELECTION

               Mode                      Label             Position

     Parallel port is                    W17          Pins 1 & 2 closed
      uni-directional

      Parallel port is                    W17          Pins 2 & 3 closed
      bi-directional

                 FOR 33 MHZ VL-BUS COMPUTER (ALSO DX/2 66)

  MBytes/sec.       W1          W2          W3         W4          W5

      8.3         1 & 2       1 & 2       1 & 2       1 & 2       1 & 2

      7.4         1 & 2       2 & 3       2 & 3       1 & 2       1 & 2

      6.7         2 & 3       1 & 2       1 & 2       1 & 2       1 & 2

      6.1         2 & 3       1 & 2       2 & 3       1 & 2       1 & 2

      5.6         2 & 3       2 & 3       1 & 2       1 & 2       1 & 2

      5.1         2 & 3       2 & 3       2 & 3       1 & 2       1 & 2

      4.8          1 &2       1 & 2       1 & 2       2 & 3       1 & 2

      4.4         1 & 2       1 & 2       2 & 3       2 & 3       1 & 2

      4.2         1 & 2       2 & 3       1 & 2       2 & 3       1 & 2

      3.9         1 & 2       2 & 3       2 & 3       2 & 3       1 & 2

      3.7         2 & 3       1 & 2       1 & 2       2 & 3       1 & 2

      3.5         2 & 3       1 & 2       2 & 3       2 & 3       1 & 2

      3.3         2 & 3       2 & 3       1 & 2       2 & 3       1 & 2

  Note: Pins designated are in the closed position

                        FOR >33 MHZ VL-BUS COMPUTER

  Mbytes/sec.      W1          W2          W3          W4          W5

      7.2         1 & 2       1 & 2       1 & 2       1 & 2       2 & 3

      6.3         1 & 2       2 & 3       2 & 3       1 & 2       2 & 3

      5.6         2 & 3       1 & 2       1 & 2       1 & 2       2 & 3

      5.0         2 & 3       1 & 2       2 & 3       1 & 2       2 & 3

      4.5         2 & 3       2 & 3       1 & 2       1 & 2       2 & 3

      4.2         2 & 3       2 & 3       2 & 3       1 & 2       2 & 3

      3.8         1 & 2       1 & 2       1 & 2       2 & 3       2 & 3

      3.6         1 & 2       1 & 2       2 & 3       2 & 2       2 & 3

      3.3         1 & 2       2 & 3       1 & 2       2 & 3       2 & 3

  Note: Pins designated are in the closed position

