
QDI COMPUTER, INC.

TVGA-8900C (SOJ/DIP VERSION)

Category                     Video
Video Types Supported        XVGA
Video Processor              Trident 8900C
Highest Resolution Supported 1024 x 768
Data Bus Type                16-bit ISA
Memory Type                  DRAM
Maximum Onboard Memory       1MB

[Image]

                      CONNECTIONS

          Purpose                    Location

  15-pin analog video port              CN1

                          INTERRUPT CONFIGURATION

                IRQ 2/9                                 J1

                 Disabled                       Pins 2 & 3 closed

                   Enabled                       Pins 1 & 2 closed

                      MONITOR DETECTION CONFIGURATION

                 Setting                                 J6

              Standard monitors                  Pins 1 & 2 closed

          Non-standard color monitors                   Open

       Non-standard monochrome monitors           Pins 2 & 3 closed

                        VGA SCAN RATE CONFIGURATION

                  Rate                                  SW3

                 <48.7KHz                            Closed

                   48.7KHz                             Open

              DRAM CONFIGURATION

     Memory         Bank 0          Bank 1

     512KB        (4) 256K x 4       None

      1MB         (4) 256K x 4   (4) 256K x 4

