UNIDENTIFIED

HD/FD CONTROLLER

Card Type               Hard drive controller card
Hard Drives supported   Two ST-506/412(MFM) drives
Floppy drives supported Two 360KB, 720KB, 1.2MB, or 1.44MB drives
Data Bus                16-bit ISA
Card Size               Half-length, half-height card

[Image]

                                CONNECTIONS

       Function          Location           Function           Location

  34-pin control            J1       34-pin cable                 J4
  cable connector -                  connector - floppy
  hard drive                         drive

  20-pin data cable         J2       Unidentified                 J5
  connector - drive 1

  20-pin data cable         J3
  connector - drive 2

                        USER CONFIGURABLE SETTINGS

                  Function                      Label        Position

  »   Factory configured - (DACK2 enabled)        W5          Closed

  »   Hard drive I/O address is 1FXh              W6           Open

      Hard drive I/O address is 17Xh              W6          Closed

  »   Floppy drive I/O address is 3FXh            W9           Open

      Floppy drive I/O address is 37Xh            W9          Closed

  »   Floppy drive interface enabled             W10           Open

      Floppy drive interface disabled            W10          Closed

  »   Hard drive interface enabled               W11           Open

      Hard drive interface disabled              W11          Closed