EVEREX SYSTEMS, INC.

EVERGRAPHICS PLUS EV-231D

Category                  Video
Video Types Supported     Monochrome
Video Processor           6845
Highest Resolution        720 x 348
Supported
Data Bus Type             8-bit ISA
Memory Type               DRAM
Maximum Onboard Memory    64KB (Exact location of memory is unidentified)

[Image]

                                CONNECTIONS

         Purpose           Location           Purpose           Location

  Monochrome video port       P2       Parallel port               P3

                    COLUMN (132) DISPLAY CONFIGURATION

                Setting                                 W1

  »                Enabled                       Pins 2 & 3 closed

                  Disabled                       Pins 1 & 2 closed

                     PARALLEL PORT INTERRUPT SELECTION

                 IRQ                                  IRQ

  »                 7                          Pins 2 & 3 closed

                    5                          Pins 1 & 2 closed

                        PARALLEL PORT CONFIGURATION

          LPT              Address             W2               W3

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

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

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

         Disabled            N/A           Pins 2 & 3        Pins 2 & 3
                                             closed           closed

  FACTORY CONFIGURED - DO NOT ALTER

      Jumper            Position

        J1               Closed