
MICRO EQUIPMENT CORPORATION

UN-1083E

  Data bus:                32-bit VL-Bus

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

  Hard drive supported:    Four IDE (AT) interface drives

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

[Image]

                               CONNECTIONS

                    Function                             Location

  40-pin Primary IDE (AT) interface connector              CN1

  40-pin Secondary IDE (AT) interface connector            CN2

  34-pin control cable connector - floppy drive            CN3

  16-pin game port - internal                              CN4

  10-pin serial port - internal                            COMA

  10-pin serial port - internal                            COMB

  2-pin connector - drive active LED                       LED1

  25-pin parallel port - external                           P1

                        USER CONFIGURABLE SETTINGS

               Function                    Location           Setting

     Factory configured - do not             W1                N/A
      alter

     Factory configured - do not             W2                N/A
      alter

     Factory configured - do not             W3                N/A
      alter

     Factory configured - do not             W4                N/A
      alter

     Factory configured - do not             W5                N/A
      alter

     IOCHRDY 759AF select               W6/pins 2 & 3        closed

      IOCHRDY ISA select                 W6/pins 1 & 2        closed

     Primary IDE (AT) interface         W8/pins 2 & 3        closed
      enabled

      Primary IDE (AT) interface         W8/pins 1 & 2        closed
      disabled

     Secondary IDE (AT) interface       W9/pins 2 & 3        closed
      enabled

      Secondary IDE (AT) interface       W9/pins 1 & 2        closed
      disabled

     Speed 50MHz select                W10/pins 2 & 3        closed

      Speed 33MHz select                W10/pins 1 & 2        closed

     Factory configured - do not             W13               N/A
      alter

     Floppy drive order A:, B:         W26/pins 1 & 2        closed
      normal

      Floppy drive order A:, B:         W26/pins 2 & 3        closed
      exchange

     Floppy drive address is           W27/pins 2 & 3        closed
      3F0h-3F7h

      Floppy drive address is           W27/pins 1 & 2        closed
      370h-377h

     Floppy controller enabled         W28/pins 1 & 2        closed

      Floppy controller disabled        W28/pins 2 & 3        closed

     Factory configued - do not              W32               N/A
      alter

     Factory configured - do not             W33               N/A
      alter

     Factory configured - do not             W34               N/A
      alter

     Game port enabled                       W46             closed

      Game port disabled                      W46              open

                   IDE (AT) TIMMING & MODE CONFIGURATION

      Timing            Mode               W11                 W12

      240ns               3             pins 1 & 2      pins 1 & 2 closed
                                         closed

      400ns               2             pins 1 & 2      pins 2 & 3 closed
                                         closed

      500ns               1             pins 2 & 3      pins 1 & 2 closed
                                         closed

      600ns               0             pins 2 & 3      pins 2 & 3 closed
                                         closed

                         HARD DRIVE DMA SELECTION

  Channel     W14        W15        W16       W17        W18       W19

     5        open       open     closed      open      open      closed

     6        open      closed     open       open     closed      open

     7       closed      open      open      closed     open       open

                        SERIAL PORT 1 CONFIGURATION

             COM                       W20                    W21

           COM1 (3F8h)         pins 1 & 2 closed      pins 2 & 3 closed

            COM3 (3E8h)         pins 2 & 3 closed      pins 1 & 2 closed

           Not available        pins 1 & 2 closed      pins 1 & 2 closed

             Disabled           pins 2 & 3 closed      pins 2 & 3 closed

                        SERIAL PORT 2 CONFIGURATION

             COM                       W22                    W23

           COM2 (2F8h)         pins 1 & 2 closed      pins 2 & 3 closed

            COM4 (2E8h)         pins 2 & 3 closed      pins 1 & 2 closed

           Not available        pins 1 & 2 closed      pins 1 & 2 closed

             Disabled           pins 2 & 3 closed      pins 2 & 3 closed

                        PARALLEL PORT CONFIGURATION

             LPT                      W24                    W25

          LPT1 (378h)         pins 2 & 3 closed      pins 1 & 2 closed

           LPT2 (278h)         pins 1 & 2 closed      pins 2 & 3 closed

           LPT3 (3BCh)         pins 1 & 2 closed      pins 1 & 2 closed

            Disabled           pins 2 & 3 closed      pins 2 & 3 closed

                 PARALLEL PORT MODE SELECTION

        Mode                 W29                  W30

       Printer         pins 1 & 2 closed   pins 1 & 2 closed

       EPP/ECP         pins 1 & 2 closed   pins 2 & 3 closed

       EPP/SPP         pins 2 & 3 closed   pins 1 & 2 closed

       EXT2FDD         pins 2 & 3 closed   pins 2 & 3 closed

                     SERIAL PORT 1 INTERRUPT SELECTION

       IRQ                W35                W36               W37

          4            closed              open               open

           3             open              closed              open

           5             open               open              closed

                     SERIAL PORT 2 INTERRUPT SELECTION

       IRQ                W38                W39               W40

          3            closed              open               open

           4             open              closed              open

           5             open               open              closed

                     PARALLEL PORT INTERRUPT SELECTION

           IRQ                     W41                      W42

             7                   closed                    open

              5                    open                    closed

    PRINTER OUTPUT CONFIGURATION

     Setting             W43

      Output           closed

  Bi-directional        open

                               DMA SELECTION

      Channel              W31               W44               W45

         1              pins 1 & 2         closed              open
                         closed

         3              pins 2 & 3          open              closed
                         closed

