
ACER, INC.

NBI ENHANCED GRAPHICS ADAPTER

Card Type                   Video card
Video Chip Set              Unidentified
Maximum video Memory        Unidentified
Video Type supported        Monochrome, CGA, EGA
Highest Resolution          640 x 350
supported
Data Bus                    8-bit ISA


[Image]

                                CONNECTIONS

          Function            Label            Function             Label

  9-pin video port            CN1     Reserved                      CN3

  Reserved                    CN2     Light pen connector           CN4

                          DISPLAY TYPE SELECTION

               Setting                       JP3                JP4

       Enhanced color display             Pins 2 & 3       Unidentified
                                            closed

     Monochrome or color display          Pins 2 & 3       Unidentified
                                            closed

                      DISPLAY TYPE CONFIGURATION (1)

         EGA              SW/1         SW/2         SW/3         SW/4

    Color display          On          Off          Off           On
     40x25 mode

    Color display         Off          Off          Off           On
     80x25 mode

   Emulation mode          On           On           On           Off

     Hi Res mode          Off           On           On           Off

            Note:The above settings apply when the Enhanced Graphic
            Adapter is the primary adapter and MDA is the secondary
            adapter.

                      DISPLAY TYPE CONFIGURATION (2)

         EGA              CGA        SW/1      SW/2      SW/3      SW/4

     Monochrome         40 x 25       On       Off        On        Off
                         mode

     Monochrome         80 x 25       Off      Off        On        Off
                         mode

            Note:The above settings apply when the Enhanced Graphic
            Adapter is the primary adapter and CGA is the secondary
            adapter.

                      DISPLAY TYPE CONFIGURATION (3)

         EGA              SW/1         SW/2         SW/3         SW/4

    Color display          On           On           On           On
     40x25 mode

    Color display         Off           On           On           On
     80x25 mode

   Emulation mode          On          Off           On           On

     Hi Res mode          Off          Off           On           On

            Note:The above settings apply when the Enhanced Graphic
            Adapter is the secondary adapter and MDA is the primary
            adapter.

                      DISPLAY TYPE CONFIGURATION (4)

         EGA              CGA        SW/1      SW/2      SW/3      SW/4

     Monochrome         40 x 25       On        On       Off        On
                         mode

     Monochrome         80 x 25       Off       On       Off        On
                         mode

            Note:The above settings apply when the Enhanced Graphic
            Adapter is the secondary adapter and CGA is the primary
            adapter.

                       MISCELLANEOUS TECHNICAL NOTES

  Whenever the Enhanced Graphic Adapter is used in combination with
  another one of the adapters must be a monochrome display.

