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Appendix D Compaq/NVIDIA TNT2 Pro AGP Graphics Card
Compaq Personal Computers
Original - July 2000
D-2
D.2 FUNCTIONAL DESCRIPTION
The NVIDIA TNT2 Pro-SD Graphics Card provides high performance 2D and 3D display
imaging. The card’s AGP design provides an economical approach to 3D processing by off-
loading 3D effects such as texturing, z-buffering and alpha blending to the system memory while
16 megabytes of on-board SGRAM stores the main display image.
Figure D-2. NVIDIA TNT2 Pro Graphics Card Block diagram
The NVIDIA TNT2 Pro Graphics Card includes the following features:
♦ 16-MB SGRAM frame buffer using 128-bit 166-MHz access
♦ AGP 4X transfers with sideband addressing
♦ 2D drawing engine
♦ 3D rendering engine
♦ 300-MHz RAMDAC
♦ 32-bit Z/stencil buffer eliminates hidden screen portions for faster loading
♦ 32-bit color for increased image quality
♦ 30-fps full-screen DVD playback
♦ Dual-monitor support with a PCI graphics card
BIOS
ROM
HSync
128-bit
166-MHz
Data Bus
Analog
Monitor
Connector
RGB
NVIDIA TNT2 Graphics Controller
3D Array
Engine
Video
Scalar
300-MHz
RAM
DAC
CRT
Controller
Memory
I/F
AGP
Bus
Card
Edge
Connector
VSync
2D/VGA
Engine
16 MB
SGRAM
Frame Buffer
AGP 4X
I/F