ADVANCED LOGIC RESEARCH, INC.

RLL FLOPPY/HARD DISK CONTROLLER

Card Type               Hard drive controller
Hard Drives supported   Two ST-506/412(RLL) drives
Floppy drives supported Two 360KB, 720KB, 1.2MB, 1.44MB
Data Bus                16-bit ISA
Card Size               Three-quarter length, full-height


[Image]

                                CONNECTIONS

          Function            Label           Function            Label

  34-pin cable connector -      J1      20-pin data cable           J4
  floppy drive                          connector - drive 1

  34-pin control cable          J2      4-pin connector -           J5
  connector - hard drive                drive active LED

  20-pin data cable             J3
  connector - drive 0

                        USER CONFIGURABLE SETTINGS

                 Function                    Label         Position

  »   Factory configured - do not alter       W1             Open

  »   Primary port address is 1F0h, 3F2h      W2             Open

      Unidentified                            W2            Closed

  »   Secondary port address is 170h,         W3             Open
      372h

      Unidentified                            W3            Closed

  »   Initial data Rate control 500-KHZ       W4             Open
      enabled

      Unidentified                            W4            Closed

  »   Hardware select mode enabled            W5            Closed

      Hardware select mode disabled           W5             Open

  »   Factory configured - do not alter       W6       Pins 1 & 2 open, 3
                                                       & 4, 5 & 6 closed

  »   Floppy precompensation control -        W7             Open
      unidentified

      Unidentified                            W7            Closed

  »   16K PROM enabled                        W8            Closed

      Unidentified                            W8             Open

  »   PROM address is C8000h                  W9             Open

      Unidentified                            W9            Closed

  »   PROM enabled                            W10           Closed

      PROM disabled                           W10            Open