UNIDENTIFIED

NT-120

  Data bus:                16-bit, ISA

  Size:                    Three/quarter-length, full-height card

  Hard drive supported:    Two IDE (AT) Interface drives

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

[Image]

                              CONNECTIONS

                    Function                           Location

  34-pin control cable connector - floppy drive           J1

  25-pin parallel port (LPT1/2) - external                J2

  40-pin IDE(AT) Interface connector                      J5

  4-pin connector - Drive active LED                      J6

  10-pin serial port (COM1/3) - external                  J7

  10-pin serial port (COM2/4) - internal                  J8

                        USER CONFIGURABLE SETTINGS

              Function                     Location           Setting

  »   IRQ14 passed through to host       W3/jumper 1           open
      bus enabled

      IRQ14 enabled when active          W3/jumper 1          closed
      signal is false

  »   Single speed floppy drives              W5               open
      supported

      Dual speed floppy drives                W5              closed
      supported

  »   Hard drive enabled                W9/jumper 1, 2        closed

      Hard drive disabled               W9/jumper 1, 2         open

                           FLOPPY DRIVE ADDRESS

             Function                  W4/jumper 1         W4/jumper 2

  »           3F0 - 3F7h                 closed               open

              370 - 377h                 closed              closed

               Disabled                   open               closed

                      PARALLEL PORT INTERRUPT SELECT

              IRQ                    W7/jumper 1           W7/jumper 2

  »             IRQ7                    closed                open

                IRQ5                     open                closed

                       SERIAL PORT INTERRUPT SELECT

           Port 2                                  W7

  »            IRQ3                         Jumper 3 closed

               IRQ4            Top (pin 1) of Jumper 3 and top (pin 1) of
                                            jumper 4 closed

                       SERIAL PORT INTERRUPT SELECT

          Port 1                                 W7

  »          IRQ4                          Jumper 4 closed

             IRQ3            Bottom (pin 2) of Jumper 3 and bottom (pin2)
                                         of Jumper 4 closed

                        PARALLEL PORT CONFIGURATION

               LPT                     W8/Jumper 1         W8/Jumper 2

  »                1                     closed               open

                   2                     closed              closed

               Disabled                   open                 n/a

                         SERIAL PORT CONFIGURATION

          Port 1 (J7)                 W8/jumper 3          W8/jumper 4

  »             COM1                    closed                open

                COM3                     open                closed

                         SERIAL PORT CONFIGURATION

          Port 2 (J8)                 W8/jumper 5          W8/jumper 6

  »             COM2                    closed                open

                COM4                     open                closed