Seagate ST3000VN000, ST2000VN000 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

NAS HDD drives incorporate connectors which enable you to hot plug these drives in accordance with the SATA Revision 3.0 specification. This specification can be downloaded from www.serialata.org.

4.2SATA device plug connector pin definitions

Table 6 summarizes the signals on the SATA interface and power connectors.

Table 6 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

NAS HDD Product Manual, Rev. A

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Contents Seagate NAS HDD Revision Date Description of Change Document Revision HistoryContents NAS HDD Product Manual, Rev. a Figures NAS HDD Product Manual, Rev. a Seagate Technology Support Services NAS HDD Product Manual, Rev. a About the Sata interface IntroductionIntroduction Specification summary tables Drive SpecificationsDrive Specifications Default logical geometry LBA modeFormatted capacity Recording and interface technology Physical characteristicsPower consumption Power specificationsSeek time Start/stop timesVoltage tolerance Conducted noiseEnvironmental specifications Power-management modesDrive case temperature Power modes Heads Spindle BufferTemperature gradient Ambient TemperatureHumidity AltitudeAcoustics Non-operating vibrationTest for Prominent Discrete Tones PDTs Electromagnetic immunityAgency certification Safety certification WarrantyReliability Mean Time Between Failure Electromagnetic compatibilityEnvironmental protection FCC verificationKorean RRL Australian C-Tick N176Corrosive environment China Restriction of Hazardous Substances RoHS DirectiveConfiguring the drive Handling and static-discharge precautionsSata cables and connectors Attaching Sata cabling Drive mountingSegment Pin Function Definition Sata InterfaceCommand name Command code in hex Supported ATA commandsSata Interface EFH Word Description Value Identify Device commandXx7FH Bit Word GPL feature set is supported Set Features commands Set Features commandCode in features register A.R.T. command 3 S.M.A.R.T. commandsIndex NAS HDD Product Manual, Rev. a NAS HDD Product Manual, Rev. a Page Page Americas Seagate Technology LLC