UNIDENTIFIED

SUN-5231

Data bus: 16-bit, ISA

Size: Half-length, full-height card

Hard drives supported: Up to seven SCSI devices

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

[Image]

                           CONNECTIONS

                  Function                        Location

  25-pin SCSI Interface connector-external           CN1

  50-pin SCSI Interface connector-internal           CN2

  34-pin data cable connector-floppy drives          CN3

  4-pin connector-drive active LED                   CN4

                        USER CONFIGURABLE SETTINGS

              Function                    Location            Setting

  »   Floppy drive port address is           JP1               open
      3F0-3F7h

      Floppy drive port address is           JP1              closed
      370-377h

  »   Floppy drive enabled                   JP2               open

      Floppy drive disabled                  JP2              closed

  »   Interrupt Request is IRQ3              JP3             pins 1 & 2
                                                              closed

      Interrupt Request is IRQ5              JP3             pins 2 & 3
                                                              closed

  »   Zero Wait State enabled                JP4               open

      Zero wait State disabled               JP4              closed

                               BIOS ADDRESS

         Address               JP5/pins 1 & 2          JP5/pins 3 & 4

  »   CA00h                         open                    open

      C800h                        closed                   open

      CE00h                         open                   closed

      DE00h                        closed                  closed