VTECH INDUSTRIES, INC.

LASER AT MULTI-I/O CARD

I/O Options               Floppy drive interface, IDE interface, game port,
                          parallel port, serial ports (2)
Data Bus                  16-bit ISA
Card Size                 Full height, half length
Hard Drives Supported     Two IDE-AT devices
Floppy Drives Supported   Two 360KB, 720KB, 1.2MB, or 1.44MB drives

[Image]

                                CONNECTIONS

         Function            Label            Function            Label

  16-pin game port            J1       4-pin drive active LED      J10

  34-pin cable connector      J2       40-pin primary IDE(AT)      J11
  - floppy drive                       connector

  10-pin serial port 2 -      J8       25-pin parallel port -      J12
  internal                             external

  9-pin serial port 1 -       J9
  external

                        USER CONFIGURABLE SETTINGS

                   Setting                      Label        Position

  »   IDE(AT) interface enabled                  J3          Pins 1 & 2
                                                              closed

      IDE(AT) interface disabled                 J3          Pins 2 & 3
                                                              closed

  »   Game port enabled                          J13         Pins 1 & 2
                                                              closed

      Game port disabled                         J13         Pins 2 & 3
                                                              closed

  »   Factory configured - do not alter          J16         Pins 1 & 2
                                                              closed

  »   Floppy interface enabled                   J17         Pins 1 & 2
                                                              closed

      Floppy interface disabled                  J17         Pins 2 & 3
                                                              closed

                      PARALLEL PORT ADDRESS SELECTION

                Setting                                 J4

                    278h                         Pins 2 & 3 closed

  »                 378h                         Pins 1 & 2 closed

                  Disabled                             Open

                       SERIAL PORT ADDRESS SELECTION

    Port 1         Port 2         J15        J14        J6          J7

  3F8h (COM1:)   2F8h (COM2:)   Pins 2 &   Pins 2 &   Pins 2 &   Pins 1 &
                                   3          3          3          2

  3F8h (COM1:)   3E8h (COM3:)   Pins 2 &   Pins 2 &   Pins 2 &   Pins 2 &
                                   3          3          3          3

  3F8h (COM1:)   2E8h (COM4:)   Pins 1 &   Pins 1 &   Pins 1 &   Pins 2 &
                                   2          2          2          3

  2F8h (COM2:)   3F8h (COM1:)   Pins 2 &   Pins 1 &   Pins 1 &   Pins 2 &
                                   3          2          2          3

  2F8h (COM2:)   3E8h (COM3:)   Pins 1 &   Pins 1 &   Pins 2 &   Pins 1 &
                                   2          2          3          2

  2F8h (COM2:)   2E8h (COM4:)   Pins 1 &   Pins 1 &   Pins 2 &   Pins 2 &
                                   2          2          3          3

  3E8h (COM3:)   3F8h (COM1:)   Pins 2 &   Pins 1 &   Pins 2 &   Pins 2 &
                                   3          2          3          3

  3E8h (COM3:)   2F8h (COM2:)   Pins 1 &   Pins 2 &   Pins 1 &   Pins 2 &
                                   2          3          2          3

  3E8h (COM3:)   2E8h (COM4:)   Pins 2 &   Pins 1 &   Pins 2 &   Pins 1 &
                                   3          2          3          2

  2E8h (COM4:)   3F8h (COM1:)   Pins 1 &   Pins 2 &   Pins 2 &   Pins 1 &
                                   2          3          3          2

  2E8h (COM4:)   2F8h (COM2:)   Pins 2 &   Pins 2 &   Pins 1 &   Pins 1 &
                                   3          3          2          2

  2E8h (COM4:)   3E8h (COM3:)   Pins 2 &   Pins 2 &   Pins 1 &   Pins 2 &
                                   3          3          2          3

   Disabled       Disabled        N/A        N/A       Open        Open

                      SERIAL PORT INTERRUPT SELECTION

          Port 1                   Port 2                   J18

  »           IRQ4                  IRQ3              Pins 1 & 2, 3 & 4
                                                           closed

              IRQ3                  IRQ4              Pins 1 & 3, 2 & 4
                                                           closed