Intel 31244 PCI-X User Manual

Design Guide

Intel

31244 PCI-X to Serial ATA Controller

Contents

PCI General Layout Guidelines .......................................................................................... 49

7.4

PCI-X Layout Guidelines For Slot Configurations............................................................... 50
7.4.1

Protection Circuitry for Add-in Cards ..................................................................... 50

7.4.2

PCI Clock Layout Guidelines ................................................................................. 51

7.4.3

Connecting Intel

31244 PCI-X to Serial ATA Controller

to Single-Slot ......................................................................................................... 52

7.4.4

Embedded Intel

31244 PCI-X to Serial ATA Controller

Single PCI-X Load ................................................................................................. 53

7.4.5

Embedded Intel

31244 PCI-X to Serial ATA Controller

Design With Multiple PCI-X Loads......................................................................... 54

Cables and Connectors ................................................................................................................. 55

8.1

Cabling................................................................................................................................ 55
8.1.1

Serial ATA Cable ................................................................................................... 58

Voltage Power Delivery ................................................................................................................. 59

9.1

Intel

31244 PCI-X to Serial ATA Controller Core

Supply Voltage: Providing 2.5 V in 3.3 V System ............................................................... 59

Test Methodology.......................................................................................................................... 61

10.1

Extended Voltage Mode ..................................................................................................... 63
10.1.1 Extended Voltage Mode Receiver Model .............................................................. 63
10.1.2 Extended Voltage Mode Driver Model ................................................................... 64

Terminations: Pull-down/Pull-ups .................................................................................................. 65

Intel

IQ31244 PCI-X to Serial ATA Controller Evaluation Platform Board................................... 67

12.1

Features.............................................................................................................................. 68

Debug Connectors and Logic Analyzer Connectivity .................................................................... 69

13.1

Probing PCI-X Signals ........................................................................................................ 69

Design for Manufacturing .............................................................................................................. 75

Thermal Solutions.......................................................................................................................... 77

15.1

Thermal Recommendations................................................................................................ 77

References .................................................................................................................................... 79

16.1

16.2

Electronic Information ......................................................................................................... 80

Intel

IQ31244 Controller Evaluation Platform Board Bill of Materials .......................................... 81