Subsystem Description; S3 Trio64V2/Gx Graphics Controller - Compaq Deskpro 4000N Technical Reference Manual

Chapter 6 Graphics Subsystem
6.2

SUBSYSTEM DESCRIPTION

The graphics subsystem consists of the S3 Trio64V2/GX graphics controller and two megabytes
of SGRAM for the frame buffer memory. The graphics BIOS code is included in the system
BIOS ROM. This subsystem provides full multimedia support (with software MPEG
acceleration) for a maximum resolution of 1024x768 with 256 colors @ 85 Hz, non-interlaced.
Processor/
Memory
Subsystems
Figure 6–1. S3 Trio64V2/GX-Based Graphics Subsystem, Block diagram
6.2.1

S3 TRIO64V2/GX GRAPHICS CONTROLLER

The S3 Trio64V2/GX graphics controller provides most of the functionality of the integrated
graphics subsystem and contains the features listed below:
Quick Draw support
DCI and DirectX video support
MS DirectDraw support
Horizontal and vertical interpolation
On-the-fly stretching/blending of video streams
Double-buffering for seamless video
170-MHz 24-bit (true color) RAMDAC
Designed for SGRAM operation
VESA DDC1 and DDC2B support
6-2 Compaq Deskpro 4000N and 4000S Personal Computers
32-Bit PCI Bus
S3 Trio64 V2/GX
Graphics
Controller
First Edition - September 1997
2-MB
SGRAM
Graphics
Memory Bus
(63..00)
RGB Data
Monitor