Product specifications

CN333 Data Sheet
Revision 1.0, January 5, 2005 -2- Product Features
Advanced System Power Management Support
ACPI 2.0 and PCI Bus Power Management 1.1 compliant
Supports Suspend-to-DRAM (STR) and DRAM self-refresh
Supports dynamic Clock Enable (CKE) control for DRAM power reduction during normal system state (S0)
Supports SMI, SMM and STPCLK mechanisms
Supports VIA PowerSaver™ Technology
Low-leakage I/O pads
Integrated Graphics with 2D / 3D / Video Controllers
Optimized Unified Memory Architecture (UMA)
Supports 16 / 32 / 64 MB Frame Buffer sizes
200 MHz Graphics Engine Clock
Two independent 128-bit data paths between North Bridge and graphics core to improve video performance, one for
frame buffer access and one for texture / command access
PCI v2.2 Host Bus compliant
AGP v3.0 compliant
2D Acceleration
128-bit 2D graphics engine
Hardware 2D rotation
Supports ROP3, 256 operations
Supports 8bpp, 15/16bpp and 32bpp color depth modes
BitBLT (Bit BLock Transfer) functions including alpha BLTs
True-color hardware cursor (64x64x32bpp) with 256-level blending effect
Color expansion, source Color Key and destination Color Key
Bresenham line drawing / style line function
– Transparency mode
– Window clipping
– Text function
3D Acceleration
3D Graphics Processor
128-bit 3D graphics engine
Dual pixel rendering pipes and dual texture units
Floating-point setup engine
Internal full 32-bit ARGB format for high rendering quality
8K Texture Cache
Capability
– Supports ROP2
Supports various texture formats including 16/32bpp ARGB, 8bpp Palletized (ARGB), YUV 422/420 and
compressed texture (DXTC)
Texture sizes up to 2048x2048 with Microsoft DirectX texture compression
High quality texture filter for Nearest, Linear, Bi-linear, Tri-linear and Anisotropic modes
Flat and Gouraud shading
Vertex Fog and Fog Table
Z-Bias, LOD-Bias, Polygon offset, Edge Anti-aliasing and Alpha Blending
Bump mapping and cubic mapping
Hardware back-face culling
– Specular lighting
Performance
Two textures per pass
Triangle rate up to 4.5 million triangles per second
Pixel rate up to 200 million pixels per second for 2 textures each
Texel bilinear fill rate up to 400 million texels per second
High quality dithering