ATI Technologies manual Introduction, Radeon X1650 PRO Features, Ring Bus Memory Controller

Radeon® X1650 PRO Features 1

CHAPTER 1:

Introduction

Congratulations on the purchase of your ATI Radeon® X1650 PRO graphics card. We hope that you will enjoy countless hours of trouble-free computing.

Radeon® X1650 PRO Features

Features

•157 million transistors on 90nm fabrication process.

•Dual-link DVI.

•Twelve pixel shader processors.

•Five vertex shader processors.

•128-bit 4-channel DDR/DDR2/GDDR3 memory interface.

•Native PCI Express x16 bus interface.

•AGP 8x configurations also supported with AGP-PCI-E external bridge chip.

•Dynamic Voltage Control.

Ring Bus Memory Controller

•256-bit internal ring bus for memory reads.

•Programmable intelligent arbitration logic.

•Fully associative texture, color, and Z/stencil cache designs.

•Hierarchical Z-buffer with Early Z test.

•Lossless Z Compression (up to 48:1).

•Fast Z-Buffer Clear.

•Z/stencil cache optimized for real-time shadow rendering.

Ultra-Threaded Shader Engine

•Support for Microsoft ® DirectX® 9.0 Shader Model 3.0 programmable vertex and pixel shaders in hardware.