ADAPTEC, INC.

AHA-1740/AHA-1742A (VER. 2)

  Data bus:                  32-bit EISA

  Size:                      Three-quarter length, Full-height card

  Hard drive supported:      Up to fourteen SCSI devices

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

[Image]

                               CONNECTIONS

                    Function                             Location

  50-pin SCSI interface - external                         CN1

  50-pin SCSI interface - internal                         CN2

  34-pin control cable connector - floppy drive            CN3

  Terminating resistor 1                                   RN5

  Terminating resistor 2                                   RN6

  Terminating resistor 3                                   RN7

                        USER CONFIGURABLE SETTINGS

                Function                   Location          Setting

  »   Factory configured - do not            JP1/A             N/A
      alter

  »   Factory configured - do not            JP1/B             N/A
      alter

  »   Factory configured - do not            JP1/C             N/A
      alter

  »   Factory configured - do not            JP1/D             N/A
      alter

  »   Floppy drive primary address           JP1/E             open
      select

      Floppy drive alternate address         JP1/E            closed
      select

  »   Floppy drive interface enabled         JP1/F            closed

      Floppy drive interface disabled        JP1/F             open

  »   TERMPWR supplied by host                JP2             closed
      interface

      TERMPWR not supplied by host            JP2              open
      interface