
QDI COMPUTER, INC.

TVGA-8900C VER. 2

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 monitors                Pins 2 & 3 closed

                        VGA SCAN RATE CONFIGURATION

                  Rate                                  SW3

                 <48.7KHz                            Closed

                   48.7KHz                             Open

  BIOS AUTODETECT CONFIGURATION

     Setting            SW4

    Disabled           Open

     Enabled          Closed

                            DRAM CONFIGURATION

     Memory         Bank 0        Bank 1         Bank 2         Bank 3

     256KB        (2) 256K x       None           None           None
                      4

     512KB        (2) 256K x     (2) 256K x       None           None
                      4              4

      1MB         (2) 256K x     (2) 256K x    (2) 256K x    (2) 256K x 4
                      4              4             4

