Intel 31244 PCI-X manual Serial ATA Cable Signal Connections

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Intel ® 31244 PCI-X to Serial ATA Controller

Cables and Connectors

8.1.1Serial ATA Cable

The Serial ATA cable consists of four conductors in two differential pairs. When necessary, the cable may also include drain wires, to be terminated to the ground pins in the Serial ATA cable receptacle connectors. The cable size may be 30 to 26 AWG. The cable maximum length is one meter.

Figure 23. Serial ATA Cable Signal Connections

		Key	Key
	G	1	1	G
HT+	A+	2	2	A+	DR+
HT-	A-	3	3	A-	DR-
	G	4	4	G
HR-	B-	5	5	B-	DT-
HR+	B+	6	6	B+	DT+
	G	7	7	G
	Host	Cable	Cable	Device
	Plug	Receptacle	Receptacle	Plug
Host Chip, PCB		Cable and		Device Chip, PCB
and connector		connectors		and connector
					B0427-01

58	Design Guide

Image 58

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 ConsiderationsSerial ATA Signals Pin Descriptions Signal Pin DescriptionsName Description PCI-X Bus Pin Descriptions Sheet 1 PCI-X Bus Pin Descriptions Sheet 2 Configuration Pin DescriptionsJtag Pin Descriptions 1 VA0, VA1 Vccpll Pin Requirements Power Supply Pin DescriptionsSerial 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 DecouplingDifferential Impedance Trace ImpedanceExample 1. Two-by-two Differential Impedance Matrix Intel 31244 PCI-X to Serial ATA Controller Serial ROM Interface Intel 31244 PCI-X to Serial ATA Controller Interface PortsJtag Interface PCI-X Interface Normal Voltage Mode Direct Port Access DPAExtended Voltage Mode Extended Voltage ModeSDO LED SDI SCS# Sclk SCK LED InterfaceLED 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 Voltage Levels PCI-X Layout GuidelinesPCI/X Voltage Levels PCI-X Clocking Modes PCI/X Clocking ModesGND Minimum Maximum PCI General Layout GuidelinesAdd-on Card Routing Parameters CLKProtection Circuitry for Add-in Cards PCI-X Layout Guidelines For Slot ConfigurationsPCI-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 Interface Timing and SI Requirements Test MethodologyParameter Min Max Serial ATA Eye Diagram Timing RequirementExtended Voltage Mode Receiver Model Extended Voltage Mode ReceiverExtended Voltage Mode Driver Model Extended Mode DriverTerminations Pull-up/Pull-down Sheet 1 Terminations Pull-down/Pull-upsPull-up or Pull-down Comments Terminations Pull-up/Pull-down Sheet 2 Shows the block diagram of this customer reference board Features Probing PCI-X Signals Debug Connectors and Logic Analyzer Connectivity13Logic 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