BOCA RESEARCH, INC.

DELL V486DX/XX REV. 1 I/O CARD

  Data bus:                  16-bit, ISA

  Size:                      Half-length, full-height card

  Hard drive supported:      Two IDE (AT) Interface drives

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

[Image]

                              CONNECTIONS

                    Function                           Location

  25-pin parallel port                                    CN1

  10-pin serial port - external                           CN2

  10-pin serial port - internal                           J3

  40-pin IDE(AT) interface connector                      J4

  34-pin control cable connector - floppy drive           J5

  4-pin connector - drive active LED                      J6

  Game port                                               J8

                        USER CONFIGURABLE SETTINGS

               Function                    Location           Setting

  »   IDE(AT) port (J2) enabled               J7            pins 14 & 16
                                                              closed

      IDE(AT) port (J2) disabled              J7            pins 16 & 18
                                                              closed

  »   Control cable connector -               J7            pins 20 & 22
      floppy drive (J1) enabled                               closed

      Control cable connector -               J7            pins 22 & 24
      floppy drive (J1) disabled                              closed

                     SERIAL PORT 1 (CN2) CONFIGURATION

               COM/Address                              J7

  »               COM1/3F8h                  pins 1 & 3, 7 & 9 closed

                  COM3/3E8h                  pins 1 & 3, 9 & 11 closed

                  Disabled                       pins 3 & 5 closed

                     SERIAL PORT 2 (J3) CONFIGURATION

               COM/Address                              J7

  »               COM2/2F8h                  pins 2 & 4, 8 & 10 closed

                  COM4/2E8h                 pins 2 & 4, 10 & 12 closed

                  Disabled                       pins 4 & 6 closed

                     PARALLEL PORT (CN1) CONFIGURATION

               LPT/Address                              J7

  »               LPT1/278h                pins 13 & 15, 19 & 21 closed

                  LPT2/378h                pins 13 & 15, 21 & 23 closed

                  Disabled                      pins 15 & 17 closed