Intel 440GX ユーザーズマニュアル

viii

Intel

440GX AGPset Design Guide

Tables

2-1

Recommended Trace Lengths for Single Processor Design ........................2-7

2-2

Recommended Trace Lengths for Dual Processor Designs2.......................2-8

2-3

SET Trace Length Requirements .................................................................2-9

2-4

Recommended 100 MHz System Flight Time Specs .................................2-13

2-5

System Timing Requirements for Validating Setup/Hold Windows ............2-16

2-6

Ringback Guidelines at the Intel

Pentium

II Processor Edge Fingers ...2-16

2-7

Intel

Pentium

II Processor and Inte

l 440GX AGPset

System Timing Equations ...........................................................................2-17

2-8

Intel

Pentium

II Processor and Intel

440GX AGPset

System Timing Terms .................................................................................2-17

2-9

Intel

Pentium

II Processor and Intel

440GX AGPset 100 MHz

Timing Specifications..................................................................................2-18

2-10

Recommended 100 MHz System Timing Parameters................................2-18

2-11

Recommended 100 MHz System Flight Time Specs .................................2-18

2-12

Data and Associated Strobe .......................................................................2-19

2-13

Source Synchronous Motherboard Recommendations ..............................2-20

2-14

Control Signal Line Length Recommendations ..........................................2-20

2-15

Source Synchronous Motherboard Recommendations ..............................2-21

2-16

Control Signal Line Length Recommendations ..........................................2-21

2-17

MDx lines Reference Planes Routing .........................................................2-23

2-18

FET Switch DQ Route Example .................................................................2-25

2-19

Motherboard Model: SRAS_B#, 4 DIMMs ..................................................2-28

2-20

Motherboard Model: SCAS_A#, 4 DIMMs ..................................................2-28

2-21

Motherboard Model: SCAS_B#, 4 DIMMs ..................................................2-28

2-22

Motherboard Model: WE_A#, 4 DIMMs ......................................................2-29

2-23

Motherboard Model: WE_B#, 4 DIMMs ......................................................2-29

2-24

Motherboard Model: MA_A[14:0], 4 DIMMs ...............................................2-29

2-25

Motherboard Model: MA_B[12,11,9:0]#, MA_B[14,13,10], 4 DIMMs..........2-30

3-1

Slot Connectivity ...........................................................................................3-2

3-2

GND & Power Pin Definition .........................................................................3-4

3-3

Processor Frequency Select.........................................................................3-8

3-4

82443GX Connectivity ................................................................................3-10

3-5

Strapping Options .......................................................................................3-13

3-6

SDRAM Connectivity ..................................................................................3-14

3-7

PIIX4E Connectivity ....................................................................................3-16

3-8

IDE Series Termination...............................................................................3-20

3-9

PIIX4E PWR & GND ...................................................................................3-22

3-10

Non-PIIX4E PCI Signals .............................................................................3-23

3-11

Non-PIIX4E ISA Signals .............................................................................3-23

3-12

Non-PIIX4E IDE ..........................................................................................3-24

3-13

Flash Vpp Recommendations....................................................................3-27

5-1

Slot 1 Connector ...........................................................................................5-1

5-2

Retention Mechanism, Retention Mechanism Module
Attach Sink Suppor .......................................................................................5-1

5-3

GTL+ Bus Slot 1 Terminator Cards ..............................................................5-1

5-4

Voltage Regulator Modules ..........................................................................5-2

5-5

Voltage Regulator Control Silicon Vendors ..................................................5-2

5-6

Clock Driver Vendors....................................................................................5-3

5-7

Power Management Component Vendors....................................................5-3

5-8

FET Switch Vendors .....................................................................................5-3