STB SYSTEMS, INC.

POWERGRAPH VGA

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    1024KB

[Image]

                                CONNECTIONS

     Purpose          Location            Purpose            Location

  15-pin analog          CN1         VESA feature              CN2
  video port                         connector

                               ROM DATA BUS

                 Size                                   J3

  »                8-bit                        Pins 2 & 3 closed

                   16-bit                       Pins 1 & 2 closed

                             INTERRUPT SELECT

                  IRQ2                                  J1

  »                Enabled                       Pins 1 & 2 closed

                  Disabled                       Pins 2 & 3 closed

                            DRAM CONFIGURATION

       Size         BANK 0 (U1, U2)    BANK 1 (U3, U4)    BANK 2 (U5, U6,
                                                             U7, U8)

      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