
UNIDENTIFIED

EGA EXTRA

Card Type                   Video card
Video Chip Set              Unidentified
Maximum Video Memory        256KB VRAM
Video Types Supported       Monochrome, CGA, EGA, VGA
Highest Resolution          800 x 600
Supported
Data Bus                    8-bit ISA

[Image]

                      CONNECTIONS

          Function                     Label

  9-pin digital video port              CN1

                        BASE I/O ADDRESS SELECTION

               Setting                                 JP2

                  3xxH                               Open

      2xxH                                           Closed

                        SCAN RATE SELECTION

               Rate                     Label          Position

      Emulation mode enabled            SW1/5             On

     Emulation mode disabled            SW1/5             Off

  200 double scan lines enabled         SW1/6             On

  200 double scan lines disabled        SW1/6             Off

                    DISPLAY SETTINGS AS PRIMARY ADAPTER

      SETTING         SW1/1     SW1/2     SW1/3     SW1/4         JP1

    Mono/Hercules      Off       Off        On       Off       Pins 2 & 3
      (80x25)                                                   closed

    Mono/Hercules       On       Off        On       Off       Pins 2 & 3
      (40x25)                                                   closed

    CGA (80X25)        Off       Off       Off        On       Pins 1 & 2
                                                                closed

    CGA (40X25)         On       Off       Off        On       Pins 1 & 2
                                                                closed

   EGA (640X350)       Off        On        On       Off       Pins 1 & 2
                                                                closed

   EGA (320X200)        On        On        On       Off       Pins 1 & 2
                                                                closed

                   DISPLAY SETTINGS AS SECONDARY ADAPTER

      SETTING         SW1/1     SW1/2     SW1/3     SW1/4         JP1

    Mono/Hercules      Off        On       Off        On       Pins 2 & 3
      (80x25)                                                   closed

    Mono/Hercules       On        On       Off        On       Pins 2 & 3
      (40x25)                                                   closed

    CGA (80X25)        Off        On        On        On       Pins 1 & 2
                                                                closed

    CGA (40X25)         On        On        On        On       Pins 1 & 2
                                                                closed

   EGA (640X350)       Off       Off        On        On       Pins 1 & 2
                                                                closed

   EGA (320X200)        On       Off        On        On       Pins 1 & 2
                                                                closed

