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Intel ® 31244 PCI-X to Serial ATA Controller

Thermal Solutions

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78	Design Guide

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Contents Intel 31244 PCI-X to Serial ATA Controller Design GuideIntel 31244 PCI-X to Serial ATA Controller Contents Connecting Intel 31244 PCI-X to Serial ATA Controller Figures Wire Lengths For Multiple PCI-X Load Embedded TablesRevision History Date Revision # DescriptionThis page intentionally left blank Terminology and Definitions About This DocumentReference Documentation Reference DocumentsTerminology and Definition Sheet 2 Terminology and Definition Sheet 3 ISIThis page left intentionally blank Features OverviewPCI-X FifoApplications Quad Serial ATA Host Bus AdapterThis page left intentionally blank Intel 31244 PCI-X to Serial ATA Controller Package Packaging ConsiderationsSignal Pin Descriptions Serial ATA Signals Pin DescriptionsName Description PCI-X Bus Pin Descriptions Sheet 1 Configuration Pin Descriptions PCI-X Bus Pin Descriptions Sheet 2Jtag Pin Descriptions Power Supply Pin Descriptions 1 VA0, VA1 Vccpll Pin RequirementsSerial ROM Interface Pin Descriptions Package/Marking Information Package Information 256-pin PbgaBall Map By Function Pbga Mapped By Pin FunctionThis page left intentionally blank Routing Guidelines General Routing GuidelinesCrosstalk Crosstalk Effects on Trace Distance and HeightEMI Considerations Power Distribution and Decoupling DecouplingTrace Impedance Differential ImpedanceExample 1. Two-by-two Differential Impedance Matrix Intel 31244 PCI-X to Serial ATA Controller Intel 31244 PCI-X to Serial ATA Controller Interface Ports Serial ROM InterfaceJtag Interface PCI-X Interface Normal Voltage Mode Direct Port Access DPAExtended Voltage Mode Extended Voltage ModeLED Interface SDO LED SDI SCS# Sclk SCKLED LED0 LED1 Reference Clock Generation Load Capacitance 20 pF Shunt Capacitance 7 pFThis page left intentionally blank Printed Circuit Board PCB Methodology6 Conn Extended Voltage Mode Intel 31244 PCI-X to Serial ATA Controller HBA StackupBackplane Topologies Write Backplane TopologyRead Backplane Topology Motherboard Microstrip Parameters Motherboard Stackup for Backplane DesignsMotherboard Stackup, Microstrip Variable Nominal mil Tolerance Min mil Max milMicrostrip Stackup Backplane Stripline Stackup Backplane Stripline StackupStripline Stackup Backplane Stackup, Microstrip Cable SpecificationCable Interconnect With Backplane Backplane Stackup, Offset StriplineThis page left intentionally blank PCI-X Layout Guidelines PCI Voltage LevelsPCI/X Voltage Levels PCI/X Clocking Modes PCI-X Clocking ModesGND Minimum Maximum PCI General Layout GuidelinesAdd-on Card Routing Parameters CLKPCI-X Layout Guidelines For Slot Configurations Protection Circuitry for Add-in CardsPCI-X Slot Guidelines PCI Clock Layout Guidelines Wiring Lengths for Single Slot Segment Lower AD Bus Upper AD BusLower AD Bus Upper AD Bus Embedded PCI-X Design With Multiple Loads Cabling Cables and ConnectorsSerial ATA Signal Definitions Serial ATA Direct ConnectCables and Connectors Serial ATA Host Connectors Serial ATA Cable Signal Connections Serial ATA CableVoltage Power Delivery This page left intentionally blank Test Methodology Interface Timing and SI RequirementsParameter Min Max Serial ATA Eye Diagram Timing RequirementExtended Voltage Mode Receiver Model Extended Voltage Mode ReceiverExtended Voltage Mode Driver Model Extended Mode DriverTerminations Pull-down/Pull-ups Terminations Pull-up/Pull-down Sheet 1Pull-up or Pull-down Comments Terminations Pull-up/Pull-down Sheet 2 Shows the block diagram of this customer reference board Features Debug Connectors and Logic Analyzer Connectivity13 Probing PCI-X SignalsLogic Analyzer Pod 1 Sheet 1 Logic Analyzer Pod 1 Sheet 2 Logic Analyzer PodIrdy PCI-X Signal Name Logic Analyzer Pod This page left intentionally blank Design for Manufacturing Design for Manufacturing Thermal Recommendations Thermal SolutionsLead H-PBGA Package Thermal Characteristics Thermal ResistanceThis page left intentionally blank Design References ReferencesRelated Documents Design ReferencesElectronic Information Electronic InformationIntel 31244 PCI-X to Serial ATA Controller This page left intentionally blank