INFORMTECH INTERNATIONAL, INC.

IT-VGA2

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

[Image]

                                CONNECTIONS

      Purpose          Location           Purpose             Location

  15-pin analog          CN1         VESA feature               CN2
  video port                         connector

                               BIOS ADDRESS

             Address Range                              J1

  »           C0000h - C7FFFh                   Pins 2 & 3 closed

              C0000h - DFFFFh                   Pins 1 & 2 closed

                               EARLY #MEMCS

                Setting                                 J2

  »                Enabled                       Pins 1 & 2 closed

                  Disabled                       Pins 2 & 3 closed

                             PIXEL CLOCK DELAY

                Setting                                 J3

  »                Normal                       Pins 1 & 2 closed

                 20ns delay                     Pins 2 & 3 closed

                             INTERRUPT REQUEST

                  IRQ9                                  J4

  »               Disabled                             Open

                   Enabled                            Closed

                        VIDEO MEMORY CONFIGURATION

        Size              Bank 0            Bank 1            Bank 2

  »       256KB        (2) 256K x 4          NONE              NONE

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

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