AMERICAN MULTISOURCE, INC.

SR4

  Data bus:                16-bit ISA

  Size:                    Three/quarter-length, full-height card

  Hard drive supported:    Two RLL ST506/412 drives

  Floppy drives            Four 360KB, 720KB, 1.2MB, 1.44MB drives
  supported:

[Image]

                                CONNECTIONS

                    Function                             Location

  34-pin control cable connector - hard drive               J1

  20-pin data cable connector                               J2

  20-pin data cable connector                               J3

  34-pin connector - floppy drive interface                 J4
  (drives 1 & 2)

  4-pin connector - drive active LED                        J5

  34-pin connector - floppy drive interface                 J6
  (drives 3 & 4)

                        USER CONFIGURABLE SETTINGS

                 Function                    Location         Setting

  »   Floppy drive interface address            W3              open
      select primary

      Floppy drive interface address            W3             closed
      select secondary

  »   Hard drive interface address              W4              open
      select primary

      Hard drive interface address              W4             closed
      select secondary

  »   On-board BIOS enabled                     W6             closed

      On-board BIOS disabled                    W6              open

                    HARD DRIVE INTERFACE CONFIGURATION

           Setting                     W1                     W2

  »          Enabled                 closed            pins 2 & 3 closed

             Disabled                 open             pins 1 & 2 closed

                   FLOPPY DRIVE INTERFACE CONFIGURATION

           Setting                      W5                    W7

  »          Enabled                  closed                closed

             Disabled                  open                  open

  BASE MEMORY ADDRESS SELECTION

  Address       W8         W9

   C8000h     closed     closed

   CC000h     closed      open

   D0000h      open      closed

   D4000h      open       open