ADAPTEC, INC.

AHA-2842A

Card Type               Hard drive controller card
Hard Drives supported   Up to 7 SCSI devices
Floppy drives supported Two 360KB, 720KB, 1.2MB, or 1.44MB drives
Data Bus                32-bit VESA Local Bus
Card Size               Full-length, full-height card

[Image]

                                CONNECTIONS

        Function           Location          Function           Location

  4-pin LED connector         J1      50-pin SCSI connector        J3
                                      - internal

  34-pin Floppy drive         J2      50-pin SCSI connector        J4
  connector                           - external

                        USER CONFIGURABLE SETTINGS

                  Function                      Label        Position

  »   Write-back enabled                          J5          Closed

      Write-back disabled                         J5           Open

  »   Floppy controller enabled                  S1/5           Off

      Floppy controller disabled                 S1/5           On

  »   Host adapter BIOS enabled                  S1/8           Off

      Host adapter BIOS disabled                 S1/8           On

                           I/O ADDRESS SELECTION

       Address            S1/1         S1/2         S1/3         S1/4

  »        1C00h           Off          Off          Off          Off

           2C00h           On           Off          Off          Off

           3C00h           Off          On           Off          Off

           4C00h           On           On           Off          Off

           5C00h           Off          Off          On           Off

           6C00h           On           Off          On           Off

           7C00h           Off          On           On           Off

           8C00h           On           On           On           Off

           9C00h           Off          Off          Off          On

           AC00h           On           Off          Off          On

           BC00h           Off          On           Off          On

           CC00h           On           On           Off          On

           DC00h           Off          Off          On           On

           EC00h           On           Off          On           On

           FC00h           Off          On           On           On

         Reserved          On           On           On           On

                          BIOS ADDRESS SELECTION

           Address                    S1/6                   S1/7

              C8000h                   On                    Off

              D0000h                   Off                    On

  »           D8000h                   Off                   Off

              E0000h                   On                     On