ATI TECHNOLOGIES, INC.

EGA WONDER (VER. 2)

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

[Image]

                                CONNECTIONS

          Function             Label            Function           Label

  Composite video/Pin 4         J1      Feature Connector            J4
  Feature Connector

  Pin 5 Feature Connector       J2      Light pen                    P1

  9-pin digital video port      J3      Composite video output       P2

                        USER CONFIGURABLE SETTINGS

                  Function                      Label        Position

      Enhanced features, enable                 SW1/8           On

      Enhanced features, disabled               SW1/8           Off

  »   Port address 3xx                            P6         Pins 2 & 3
                                                              closed

      Port address 2xx                            P6         Pins 1 & 2
                                                              closed

  »   Video Clock- on board oscillator            P7         Pins 1 & 2
                                                              closed

      Feature Connector ‘EXTOSC’ signal           P7         Pins 2 & 3
                                                              closed

  »   Sync selection- horizontal                  P8         Pins 1 & 2
                                                              closed

      Sync selection- composite                   P8         Pins 2 & 3
                                                              closed

  »   J1 connected to composite sync              P9         Pins 2 & 3
                                                              closed

      J1 connected with J4 pin4                   P9         Pins 1 & 2
                                                              closed

                           DISPLAY CONFIGURATION

         Type              SW1/1       SW1/2        SW1/3        SW1/4

            MDA             Off         Off          On           Off

        CGA (40x25)         On          Off          Off           On

        CGA (80x25)         Off         Off          Off           On

  »     EGA (normal)        On           On          On           Off

       EGA (enhanced)       Off          On          On           Off

                  MONITOR SELECTION

        Type            SW1/5      SW1/6     SW1/7

      Multisync          On         Off        On

  Enhanced graphics      On         Off       Off

      RGB Color          On         On        Off

     Monochrome          Off        On        Off

   25KHz (color 1)       Off        Off        On

      Composite          On         On        Off

      Not used           Off        Off       Off

                DISPLAY MODE SELECTION (EGA WONDER PRIMARY)

   Primary      Secondary     Monitor    SW1/1    SW1/2    SW1/3    SW1/4

     MDA       CGA, 80x25       MD        Off      Off      On      Off

  EGA, 80x25       MDA          ECD       Off      On       On      Off

  CGA, 80x25       MDA          CD        On       On       On      Off

  CGA, 80x25       MDA          CD        Off      Off      Off      On

  CGA, 40x25       MDA          CD        On       Off      Off      On

               DISPLAY MODE SELECTION (EGA WONDER SECONDARY)

   Primary      Secondary     Monitor    SW1/1    SW1/2    SW1/3    SW1/4

  CGA, 80x25       MDA          MD        Off      On       Off      On

  CGA, 40x25       MDA          MD        On       On       Off      On

     MDA       EGA, 80x25       ECD       Off      Off      On       On

     MDA       CGA, 80x25       CD        On       Off      On       On

     MDA       CGA, 80x25       CD        Off      On       On       On

     MDA       CGA, 40x25       CD        On       On       On       On

                       MISCELLANEOUS TECHNICAL NOTES

            Note: DRAM bank identified for location only. Chip size is
            unidentified.