DATA TECHNOLOGY CORPORATION

DTC6180-15TX, DTC6280-15TX

Data bus: 16-bit, ISA

Size: Full-length, full-height card

Hard drives supported: Two ESDI RLL drives with 17,32, or 60 sector mapping

Floppy drives supported: DTC6180-15TX: None

DTC6280-15TX: Four 360KB, 720KB, 1.2MB, 1.44MB

Sector interleave: 1:1

[Image]

                                CONNECTIONS

                     Function                             Location

  34-pin data cable connector-floppy drive                   J1
  (DTC6280-15TX only)

  34-pin control cable connector-hard drive                  J2

  20-pin data cable connector-drive 0                        J3

  20-pin data cable connector-drive 1                        J4

  4-pin connector-drive active LED                           J5

                USER CONFIGURABLE SETTTINGS - DTC6X80-15TX

               Function                    Location           Setting

  »   Reserved for Floppy precomp             W1               open

  »   Wait state disabled                     W2               open

      Wait state enabled                      W2              closed

  »   BIOS SRAM is 8Kx8 (6264)                W3             pins 1 & 2
                                                              closed

      BIOS SRAM is 2Kx8 (6116)                W3             pins 2 & 3
      (Hard-wired)                                            closed

  »   Track buffer size is 32Kx8 SRAM         W4             pins 1 & 2
                                                              closed

      Track buffer size is 8Kx8 SRAM          W4             pins 2 & 3
                                                              closed

  »   Hard Drive Interrupt is IRQ14           W5             pins 1 & 2
                                                              closed

      Hard Drive Interrupt is IRQ15           W5             pins 2 & 3
                                                              closed

                        BIOS ADDRESS - DTC6180-15TX

         Address               SW1/switch 5             SW1/switch 6

  »         C8000h                  off                     off

            D8000h                  on                      off

            D0000h                  off                      on

            D4000h                  on                       on

                 USER CONFIGURABLE SETTINGS - DTC6280-15TX

              Function                    Location            Setting

  »   Floppy drive data transfer        SW1/switch 1            off
      rate is 300Kb/s

      Floppy drive data transfer        SW1/switch 1             on
      rate is 250Kb/s

  »   PS/2-type floppy at Drive         SW1/switch 2             on
      Select 2 not supported

      PS/2-type floppy drive on         SW1/switch 2            off
      Drive Select 2 supported

  »   Floppy drive enabled              SW1/switch 3            off

      Floppy drive disabled             SW1/switch 3             on

  »   Hard drive port address           SW1/switch 4            off
      1F0-1F7h

      and floppy drive port
      address 3F2-3F7h

      Hard drive port address           SW1/switch 4             on
      170-177h

      and floppy drive port
      address 372-377h

  »   Auto deselect enabled             SW1/switch 5             on

      Auto deselect disabled            SW1/switch 5            off

  »   BIOS enabled                      SW1/switch 6             on

      BIOS disabled                     SW1/switch 6            off

  »   Initial interrupt enabled         SW1/switch 9             on
      after reset

      Initial interrupt disabled        SW1/switch 9            off
      after reset

  »   Track buffer enabled              SW1/switch 10            on

      Track buffer disabled             SW1/switch 10           off

          BIOS ADDRESS - DTC6280-15TX

    Address       SW1/switch 7   SW1/switch 8

     C8000h           off            off

     D8000h           on             off

     D0000h           off             on

     D4000h           on              on