AMERICAN MULTISOURCE

AMS 1100SR4

Data bus: 16-bit, ISA

Size: Full-length, full-height card

Hard drives supported: Two RLL ST506/ST412 drive

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

Sector Interleave: 1:1

[Image]

                               CONNECTIONS

                     Function                             Location

  34-pin control cable connector-hard drive                  J1

  20-pin data cable connector-drive 0                        J2

  20-pin data cable connector-drive 1                        J3

  34-pin data cable connector-floppy drives 1 & 2            J4

  4-pin connector-drive active LED                           J5

  34-pin data cable connector-floppy drives 3 & 4            J6

                        USER CONFIGURABLE SETTINGS

              Function                    Location            Setting

  »   Floppy drive address 3F0-3F7h          W3                open

      Floppy drive address 370-377h          W3               closed

  »   Hard drive address 1F0-1F7h            W4                open

      Hard drive address 170-177h            W4               closed

  »   Floppy drive disabled                W5 & W7             open

      Floppy drive enabled                 W5 & W7            closed

  »   BIOS disabled                          W6                open

      BIOS enabled                           W6               closed

          BIOS ADDRESS

  Address      W8        W9

  C8000h     closed    closed

  CC000h     closed     open

  D0000h      open     closed

  D4000h      open      open

                   HARD DRIVE CONFIGURATION

      Function                W1                   W2

       Enabled               open          pins 1 & 2 closed

      Disabled              closed         pins 2 & 3 closed