UNIDENTIFIED

SNB-C042

Data Bus                16-bit ISA
Card Size               Half-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

  25-pin parallel port -      J1       40-pin IDE(AT)              J5
  external                             connector

  10-pin serial port 1 -      J2       2-pin drive active LED      J6
  internal

  10-pin serial port 2 -      J3       16-pin game port            J7
  internal

  34-pin cable connector      J4
  - floppy drive

                        USER CONFIGURABLE SETTINGS

                  Setting                       Label        Position

  »   Floppy drive interface enabled            JP1/G        Pins 1 & 2
                                                              closed

      Floppy drive interface disabled           JP1/G        Pins 2 & 3
                                                              closed

  »   IDE(AT) interface enabled                 JP1/H        Pins 1 & 2
                                                              closed

      IDE(AT) interface disabled                JP1/H        Pins 2 & 3
                                                              closed

                           SERIAL PORT 1 ADDRESS

           Setting                   JP1/A                  JP1/B

  »       3F8h (COM1:)         Pins 1 & 2 closed      Pins 2 & 3 closed

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

            Disabled           Pins 2 & 3 closed      Pins 2 & 3 closed

                          SERIAL PORT 1 INTERRUPT

       Setting             JP2/A             JP2/B             JP2/C

          IRQ3             Open             Closed             Open

  »       IRQ4            Closed             Open              Open

          IRQ5             Open              Open             Closed

                           SERIAL PORT 2 ADDRESS

           Setting                   JP1/C                  JP1/D

  »       2F8h (COM2:)         Pins 1 & 2 closed      Pins 2 & 3 closed

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

            Disabled           Pins 2 & 3 closed      Pins 2 & 3 closed

                          SERIAL PORT 2 INTERRUPT

       Setting             JP2/D             JP2/E             JP2/F

  »       IRQ3            Closed             Open              Open

          IRQ4             Open             Closed             Open

          IRQ5             Open              Open             Closed

                           PARALLEL PORT ADDRESS

           Setting                   JP1/E                  JP1/F

  »           378h             Pins 1 & 2 closed      Pins 2 & 3 closed

              278h             Pins 2 & 3 closed      Pins 1 & 2 closed

            Disabled           Pins 2 & 3 closed      Pins 2 & 3 closed

    PARALLEL PORT INTERRUPT

  Setting    JP2/G      JP2/H

   IRQ5       Open     Closed

   IRQ7      Closed     Open