
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

