Intel 740 - Table of Contents

To Next Page

To Previous Page

Intel740™ Graphics Accelerator Design Guide

iii

Contents

1 Introduction ................................................................................................................1-1

1.1 About This Design Guide..............................................................................1-1

1.2 References....................................................................................................1-2

2 Addin Card Design.....................................................................................................2-1

2.1 Introduction ...................................................................................................2-1

2.1.1 Design Features...............................................................................2-2

2.1.1.1 Intel740™ Graphics Accelerator.....................................2-2

2.1.2 BT829B - Video Decoder.................................................................2-3

2.1.2.1 BT869 - TV Encoder.......................................................2-3

2.1.3 Terminology .....................................................................................2-3

2.1.3.1 Power Sources ...............................................................2-3

2.1.3.2 Fences............................................................................2-4

2.1.3.3 Stitching..........................................................................2-4

2.2 Layout and Routing Guidelines.....................................................................2-5

2.2.1 Placement........................................................................................2-5

2.2.2 Board Description ............................................................................2-6

2.2.3 BGA Component..............................................................................2-8

2.2.3.1 Layout Requirements......................................................2-8

2.2.3.2 Ground Connections.......................................................2-9

2.2.3.3 Power Connections.........................................................2-9

2.2.3.4 Decoupling....................................................................2-10

2.2.3.5 General Signal Routing.................................................2-11

2.2.4 Voltage Regulator ..........................................................................2-11

2.2.5 Bt829 Video Decoder.....................................................................2-11

2.2.5.1 Ground Planes..............................................................2-12

2.2.5.2 Power Planes................................................................2-12

2.2.5.3 Passive Components and Signal Routing ....................2-12

2.2.6 Bt869 Video Encoder.....................................................................2-12

2.2.6.1 Ground Planes..............................................................2-12

2.2.6.2 Power Planes................................................................2-13

2.2.6.3 Passive Components and Signal Routing ....................2-13

2.2.6.4 AGP Layout and Routing Guidelines............................2-13

2.2.6.5 Intel740™ Graphics Accelerator Memory

Layout and Routing Guidelines.....................................2-14

2.2.6.6 Intel740™ Graphics Accelerator Memory

Configurations...............................................................2-17

2.2.6.7 TV Out Interface ...........................................................2-20

2.2.6.8 Analog Signals..............................................................2-20

2.2.7 UL and FCC Considerations..........................................................2-20

2.3 Addin Card Schematics ..............................................................................2-21