
EMULEX CORPORATION

IB02

Data bus: 8-bit, ISA

Size: Full-length, full-height card

Hard drives supported: Up to seven SCSI devices

Floppy drives supported: None

[Image]

                   CONNECTIONS

             Function                Location

  50-pin SCSI connector-external        J1

  50-pin SCSI connector-internal        J2

                        USER CONFIGURABLE SETTINGS

              Function                    Location            Setting

     Not used                          SW1/switch 3            off

     Not used                          SW1/switch 4            off

     Factory configured - do not       SW2/switch 1            off
      alter

     DMA Channel 1 selected            SW2/switch 2            on

      DMA Channel 3 selected            SW2/switch 2            off

     SCSI parity check enabled         SW2/switch 6            on

      SCSI parity check disabled        SW2/switch 6            off

     SCSI bus disconnect enabled       SW2/switch 7            on

      SCSI bus disconnect disabled      SW2/switch 7            off

     Factory configured - do not     SW3/switch 1 & 2          off
      alter

     Factory configured - do not       SW3/switch 8            off
      alter

                             INTERRUPT REQUEST

       IRQ           SW2/switch 3      SW2/switch 4        SW2/switch 5

        IRQ2             on                off                 on

         IRQ5            off                on                 off

                             DMA TRANSFER MODE

               Mode                   SW1/switch 1        SW1/switch 2

  Single-byte (for use with PC,            on                  on
  PC/XT)

  8-byte (for use in a PC/AT with          on                  off
  DOS)

  Reserved                                 off                 on

  4-byte (for use in a PC/AT with          off                 off
  multi-tasking)

                           SCSI ADDRESS

     SCSI ID       SW2/switch 8     SW2/switch 9    SW2/switch 10

        0              off              off              off

        1               on              off              off

        2              off               on              off

        3               on               on              off

        4              off              off              on

        5               on              off              on

        6              off               on              on

        7               on               on              on

                            BIOS ADDRESS - SW3

   Address     Switch 3     Switch 4    Switch 5     Switch 6    Switch 7

    C800h         on           on          off          on         on

    CA00h         off          on          off          on         on

    CC00h         on           off         off          on         on

    CE00h         off          off         off          on         on

    D000h         on           on          on          off         on

    D200h         off          on          on          off         on

    D400h         on           off         on          off         on

    D600h         off          off         on          off         on

    D800h         on           on          off         off         on

    DA00h         off          on          off         off         on

    DC00h         on           off         off         off         on

    DE00h         off          off         off         off         on

    E000h         on           on          on           on         off

    E200h         off          on          on           on         off

    E400h         on           off         on           on         off

    E600h         off          off         on           on         off

    E800h         on           on          off          on         off

    EA00h         off          on          off          on         off

    EC00h         on           off         off          on         off

    EE00h         off          off         off          on         off

                       MISCELLANEOUS TECHNICAL NOTES

  For termination power, a # 1N5817 diode must be installed at socket CR2
                            and JP1 must be on.

