Seagate ST1000VX000, ST2000VX000, ST3000VX000 manual Sata Interface, Segment Pin Function Definition

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4.0 SATA Interface

These drives use the industry-standard Serial ATA (SATA) interface that supports FIS data transfers. It supports ATA programmed input/output (PIO) modes 0 to 4; multiword DMA modes 0 to 2, and Ultra DMA modes 0 to 6.

For detailed information about the SATA interface, refer to the “Serial ATA: High Speed Serialized AT Attachment” specification.

4.1Hot-Plug compatibility

Barracuda drives incorporate connectors which enable you to hot plug these drives in accordance with the SATA Revision 2.5 specification. This specification can be downloaded from www.serialata.org.

4.2SATA device plug connector pin definitions

Table 5 summarizes the signals on the SATA interface and power connectors.

Table 5 SATA connector pin definitions

Segment	Pin	Function	Definition

	S1	Ground	2nd mate

	S2	A+	Differential signal pair A from Phy

	S3	A-

	S4	Ground	2nd mate

	S5	B-	Differential signal pair B from Phy

	S6	B+
Signal
Signal	S7	Ground	2nd mate

Key and spacing separate signal and power segments

SV35 Series SATA Product Manual, Rev. C

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Contents SV35 Series Revision Date Description of Change Document Revision HistoryContents SV35 Series Sata Product Manual, Rev. C Figures SV35 Series Sata Product Manual, Rev. C Seagate Technology Support Services SV35 Series Sata Product Manual, Rev. C About the Sata interface IntroductionIntroduction Specification summary tables Drive SpecificationsDrive Specifications Recording and interface technology LBA modeDefault logical geometry Formatted capacityPhysical characteristics Seek timeStart/stop times Power consumption Power specificationsConducted noise Power-management modes Power modes Heads Spindle BufferVoltage tolerance Altitude Environmental specifications Ambient temperatureTemperature gradient Humidity1TB model Non-operating vibrationAcoustics Test for Prominent Discrete Tones PDTsAFR and Warranty Electromagnetic immunityTest Description Performance Reference Level Standard Korean RRL Agency certification Safety certificationElectromagnetic compatibility FCC verificationEnvironmental protection China Restriction of Hazardous Substances RoHS DirectiveCorrosive environment Handling and static-discharge precautions Configuring the driveSata cables and connectors Attaching Sata cabling Drive mountingMounting dimensions 1-Disk 1TB Configuring and Mounting the Drive Segment Pin Function Definition Sata InterfaceCommand name Command code in hex Supported ATA commandsE7H C6H Word Description Value Identify Device commandXx07H Bit Word Set Features command Code in features register A.R.T. command 3 S.M.A.R.T. commandsDAH Sata Interface Sata Interface Index SV35 Series Sata Product Manual, Rev. C SV35 Series Sata Product Manual, Rev. C Page Americas Seagate Technology LLC