
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
Содержание 740
Страница 1: ...Intel740 Graphics Accelerator Design Guide August 1998 Order Number 290619 003 ...
Страница 9: ...1 Introduction ...
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Страница 13: ...2 Intel740 Graphics Accelerator Addin Card Design ...
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Страница 40: ...Addin Card Design 2 26 Intel740 Graphics Accelerator Design Guide ...
Страница 57: ...3 Intel740 Graphics Accelerator 3 Device AGP Motherboard Design ...
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Страница 86: ...3 Device AGP MotherBoard Design 3 28 Intel740 Graphics Accelerator Design Guide ...
Страница 128: ...4 Thermal Considerations ...
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Страница 131: ...Thermal Considerations 4 2 Intel740 Graphics Accelerator Design Guide ...
Страница 132: ...5 Mechanical Information ...
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Страница 139: ...Mechanical Information 5 6 Intel740 Graphics Accelerator Design Guide ...
Страница 140: ...6 Third Party Vendors ...
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Страница 144: ...A Application Notes ...
Страница 145: ...Intel740 Graphics Accelerator Application Note 653 Thermal Design Considerations April 1998 Order Number 292211 002 ...
Страница 172: ...Intel740 Graphics Accelerator Thermal Design Considerations 24 Application Note 653 ...
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Страница 185: ...B Reference Information ...
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Страница 187: ...PC SGRAM Specification Revision 0 9 February 1998 Order Number Not Applicable ...
Страница 216: ...PC SGRAM Specification 26 Revision 0 9 ...