IMAGE SHARPENER

MVGA-T8900AS VGA GRAPHICS ADAPTER (VER.3)

Card Type                   Video card
Video Chip Set              Unidentified
Maximum Video Memory        1MB
Video Types Supported       VGA, EGA, Monochrome, CGA
Highest Resolution          1024 x 768,
Supported
Data Bus                    16-bit ISA

[Image]

                                CONNECTIONS

           Function             Label           Function            Label

  Feature connector             CN1     15-pin analog video port    CN2

                        USER CONFIGURABLE SETTINGS

                  Function                      Label        Position

  »   Factory configured - do not alter         SW1/4           On

                DRAM CONFIGURATION

    Size        Bank 0       Bank 1      Bank 2

   256KB      256KB x 4       None        None

   512KB      256KB x 4    256KB x 4      None

    1MB       256KB x 4    256KB x 4    256KB x 4

                         DRAM JUMPER CONFIGURATION

      Size                J3                JP1                JP2

      256KB         Pins 1 & 2, 4 &         Open              Closed
                       5 closed

      512KB         Pins 1 & 4, 2 &         Open              Closed
                       5 closed

       1MB          Pins 2 & 3, 5 &        Closed              Open
                       6 closed

                            SCAN RATE SELECTION

                  Rate                                 SW1/3

  »                <48KHz                               On

                 48 - 49Khz                             Off

                      ADDRESS DECODE SPEED SELECTION

                 Setting                               SW1/5

  »          Fast address decode                        Off

             Slow address decode                         On

                            DATA PATH SELECTION

                Setting                                SW1/6

  »           16-bit data path                          Off

               8-bit data path                          On

                      MONITOR COMFIGURATION SELECTION

               Setting                      SW1/1             SW1/2

  »              VGA mode                    On                 On

                 EGA mode                    Off                On

                 CGA mode                    On                Off

         Monochrome/Hercules mode            Off               Off

                            BUS SIZE SELECTION

             Setting                                 J2

  »           Autodetect                     Pins 2 & 3 closed

          Standard interface                 Pins 1 & 2 closed

                          IRQ INTERRUPT SELECTION

            Setting                                 J1

  »         IRQ9 disabled                    Pins 2 & 3 closed

            IRQ9 enabled                     Pins 1 & 2 closed