
DATA TECHNOLOGY CORPORATION

DTC5180I, DTC7180

Data bus: 16-bit, ISA

Size: Half-length, full-height card

Hard drives supported: Two MFM ST506/412 drives

Floppy drives supported: None

Sector Interleave DTC5180i: 2:1

DTC7180: 1:1

[Image]

                           CONNECTIONS

                  Function                        Location

  34-pin control cable connector-hard drive          J1

  20-pin data cable connector-drive 0                J2

  20-pin data cable connector-drive 1                J3

  4-pin connector-drive active LED                   J4

  5-pin connector-DC power (5180i only)              J5

                        USER CONFIGURABLE SETTINGS

                Function                    Location          Setting

     Floppy Drive Changed Signal not          W1               open
      driven

      Floppy Drive Changed Signal              W1              closed
      driven low when accessed

     Initial interrupt enabled after          W4            pins 2 & 3
      reset                                                    closed

      Initial interrupt disabled after         W4            pins 1 & 2
      reset                                                    closed

     Auto-deselect enabled,                   W6              closed

      drive is only selected when in
      operation

      Auto-deselect disabled, drive is         W6               open
      selected from power-on until
      another drive is selected

                               PORT ADDRESS

                Address                        W2               W3

     Port addresses are 1F0-1F7              open             open
      3F6-3F7h

      Port addresses are 170-177             closed           closed
      376-377h

