
MICRO EQUIPMENT CORPORATION

UN-1085

  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 address is                  W21              open
      3F0h-3F7h

      Floppy drive address is                  W21             closed
      370h-377h

     Floppy controller enabled                W22              open

      Floppy controller disabled               W22             closed

     Parallel port output only select         W23             closed

      Parallel port bi-directional             W23              open
      select

     Game port enabled                        W24              open

      Game port disabled                       W24             closed

     Parallel port address is 378h            W25              open

      Parallel port address is 278h            W25             closed

     COMA address is 3F8h                     W26              open

      COMA address is 3E8h                     W26             closed

     COMA enabled                             W27              open

      COMA disabled                            W27             closed

     Parallel port enabled                    W28              open

      Parallel port disabled                   W28             closed

     COMB address is 2F8h                     W29              open

      COMB address is 2E8h                     W29             closed

     COMB enabled                             W30              open

      COMB disabled                            W30             closed

                   IDE (AT) TIMMING & MODE CONFIGURATION

      Timming            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 INTERRUPT SELECTION

       IRQ                W36                W37               W38

          4            closed              open               open

           3             open              closed              open

           5             open               open              closed

                     SERIAL PORT 2 INTERRUPT SELECTION

       IRQ                W39                W40               W41

          3            closed              open               open

           4             open              closed              open

           5             open               open              closed

                     PARALLEL PORT INTERRUPT SELECTION

           IRQ                     W42                      W43

             7                   closed                    open

              5                    open                    closed

