
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

