EVEREX SYSTEMS, INC.

MICRO ENHANCER DELUXE EV-657 (VER.1.0)

Card Type                  Parallel card, Video card
Video Chip Set             Everex Systems
Highest Resolution         720 x 348
Supported
Maximum Video Memory       256KB DRAM (location unidentified)
Data Bus                   8-bit ISA
Video Types Supported      EGA

[Image]

                                CONNECTIONS

          Function             Label           Function             Label

  Parallel port                CN1     9-pin digital video port     CN2

                        USER CONFIGURABLE SETTINGS

                   Function                     Label        Position

  »   Factory configured - do not alter           W1         Pins 1 & 2
                                                              closed

  »   Non-Maskable Interrupt selected (NMI)       W2         Pins 2 & 3
                                                              closed

      Interrupt request selected (IRQ)            W2         Pins 1 & 2
                                                              closed

  »   I/O port address selected at 3XX            W3         Pins 1 & 2
                                                              closed

      I/O port address selected at 2XX            W3         Pins 2 & 3
                                                              closed

  »   Parallel port interrupt IRQ7 enabled        W6         Pins 2 & 3
                                                              closed

      Parallel port interrupt IRQ5 disabled       W6         Pins 1 & 2
                                                              closed

  »   Factory configured - do not alter           W7         Pins 2 & 3
                                                              closed

  »   Factory configured - do not alter           W8           Open

  »   CRTC Vertical interrupt enabled            W9/A         Closed

      CRTC Vertical interrupt disabled           W9/A          Open

  »   Operation in PC-XT slot 8 disabled         W10           Open

      Operation in PC-XT slot 8 disabled         W10          Closed

  »   Factory configured - do not alter          W11         Pins 1 & 2
                                                              closed

  »   Factory configured - do not alter          W12         Pins 2 & 3
                                                              closed

  »   Factory configured - do not alter          W13          Closed

  »   Emulation enabled                         SW1/5           On

      Emulation disabled                        SW1/5           Off

  »   Factory configured - do not alter         SW1/6           Off

                    PARALLEL PORT ADDRESS CONFIGURATION

           Address                     W4                     W5

  »        3BCh - 3BEh         Pins 1 & 2 closed      Pins 2 & 3 closed

           378h - 37Fh         Pins 1 & 2 closed      Pins 1 & 2 closed

           278h - 27Fh         Pins 2 & 3 closed      Pins 1 & 2 closed

            Disabled           Pins 2 & 3 closed      Pins 2 & 3 closed

                          BOOT-UP MODE SELECTION

   Monitor       Mode &     SW1/1   SW1/2   SW1/3   SW1/4   SW1/7   SW1/8
                Format

  Enhanced     EGA 80x25    Off      On      On     Off      On      On

  Enhanced       Color       On      On      On     Off      On      On
                 80x25

    Color        Color      Off     Off     Off      On      On      Off
                 80x25

    Color        Color       On     Off     Off      On      On      Off
                 40x25

  Monochrome   Monochrome   Off     Off      On     Off     Off      Off

                            INTERRUPT SELECTION

  Setting     W9/B       W9/C      W9/D       W9/E      W9/F       W9/G

     2       Closed      Open      Open       Open      Open       Open

     3        Open      Closed     Open       Open      Open       Open

     4        Open       Open     Closed      Open      Open       Open

     5        Open       Open      Open      Closed     Open       Open

     6        Open       Open      Open       Open     Closed      Open

     7        Open       Open      Open       Open      Open      Closed