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