QDI COMPUTER, INC.

TVGA-8900C VER. 1

DTK COMPUTER, INC.

PTI-223C

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            Purpose            Location

  15-pin analog            CN1        VGA feature connector       CN2
  video port

                          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