TANDY / RADIO SHACK CORPORATION

SVGA WINDOWS ACCELERATOR ADAPTER (250-4055)

Card Type                 Video card
Video Processor           Unidentified
Maximum Onboard Memory    1MB DRAM
I/O Options               VGA feature connector
Data Bus                  16-bit ISA
Video Types Supported     XVGA
Highest Resolution        1280 x 1024
Supported

[Image]

                                CONNECTIONS

          Function            Label            Function             Label

  15-pin analog video port     J1     VGA feature connector          J2

                        USER CONFIGURABLE SETTINGS

                   Setting                       Label        Position

  »   Zero wait states enabled                    W2           Closed

      Zero wait states disabled                   W2            Open

  »   Monitor uses 31.5KHz horizontal            SW1/5          Off
      frequency

      Monitor uses 40KHz horizontal              SW1/5           On
      frequency

                 VERTICAL FREQUENCY SELECTION - 800 X 600

          Setting                    SW1/1                  SW1/2

  »           56Hz                    Off                    Off

              56Hz                    On                      On

              60Hz                    Off                     On

              72Hz                    On                     Off

                 VERTICAL FREQUENCY SELECTION - 1024 X 768

            Setting                     SW1/3                SW1/4

  »       43Hz, interlaced               Off                  Off

                60Hz                     Off                   On

                70Hz                      On                  Off

                72Hz                      On                   On