DATA TECHNOLOGY CORPORATION

DTC5180CRH

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: 2:1

[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                           J5

                        USER CONFIGURABLE SETTINGS

               Function                    Location           Setting

  »   Floppy change signal not                W1                open
      driven

      Floppy signal driven low (XT            W1               closed
      system default)

  »   Interrupt remains enabled               W4             pins 2 & 3
      after reset                                              closed

      Interrupt disabled after reset          W4             pins 1 & 2
                                                               closed

  »   Drive select "flip-flop"                W5             pins 1 & 2
      controlled by firmware                                   closed

      Drive select "flip-flop"                W5             pins 2 & 3
      controlled by system reset                               closed

  »   Factory configured - do not             W6               closed
      alter

  »   Auto deselect enabled                   W7               closed

      Auto deselect disabled                  W7                open

                          HARD DRIVE PORT ADDRESS

                Address                        W2               W3

  »   Port addresses are 1F0-1F7              open             open
      3F2-3F7h

      Port addresses are 170-177             closed           closed
      372-377h

        MISCELLANEOUS TECHNICAL NOTES

  This controller has no on-board software