Seagate ST33000651AS, ST32000641AS Segment Pin Function Definition, Ground 2nd mate, 3V power

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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 Serial ATA 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 Serial ATA Revision 2.6 specification. This specification can be downloaded from www.serialata.org.

4.2Serial ATA device plug connector pin definitions

Table 6 summarizes the signals on the Serial ATA interface and power connectors.

Table 6 Serial ATA 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

S7

Ground

 

2nd mate

 

 

 

 

 

 

 

 

Key and spacing separate signal and power segments

 

 

 

 

 

Power

P1

V33

 

3.3V power

Barracuda XT SATA Product Manual, Rev. D

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Contents
100586689 Rev. D September BarracudaXTRevision Date Description of changes Revision HistoryContents Barracuda XT Sata Product Manual, Rev. D Figures Barracuda XT Sata Product Manual, Rev. D Seagate Technology Support Services Barracuda XT Sata Product Manual, Rev. D About the Serial ATA interface IntroductionDrive Specifications LBA mode Default logical geometryFormatted capacity Start/stop times Physical characteristicsPower specifications Recording and interface technologyStandby mode Read/write power and currentOperating power and current Idle mode powerTypical 12V startup and operation current profiles 3000GB Typical 5V startup and operation current profiles 3000GBTypical 12V startup and current profiles 2000GB Typical 5V startup and current profiles 2000GBPower management modes Conducted noiseVoltage tolerance Altitude Environmental specifications Ambient temperatureTemperature gradient HumidityShock VibrationAcoustics Test for Prominent Discrete Tones PDTs Electromagnetic immunityTest Description Performance level Reference Standard FCC verification WarrantyAgency certification Safety certification Electromagnetic Compatibility EMCEnvironmental protection China Restriction of Hazardous Substances RoHS DirectiveCorrosive environment Drive Specifications Handling and static-discharge precautions Configuring the driveSerial ATA cables and connectors Attaching Sata cabling Drive mountingMounting dimensions 3000GB model Mounting dimensions 2000GB model 3V power Segment Pin Function DefinitionGround 2nd mate P14 3V power, pre-charge, 2nd mate12V power, pre-charge, 2nd mate 12V powerCommand name Command code in hex Supported ATA commandsCommand name Word Description Value Identify Device command57-58 Current capacity in sectors Or Write Multiple commandNumber of current logical heads Number of current logical sectors per logical trackBE01H 00DEHFffeh Bit Word Set Features command Enable read look-ahead read cache feature defaultAAH Code in features register A.R.T. command 3 S.M.A.R.T. commandsBarracuda XT Sata Product Manual, Rev. D Master/slave 9 mountingBarracuda XT Sata Product Manual, Rev. D Barracuda XT Sata Product Manual, Rev. D Barracuda XT Sata Product Manual, Rev. D Page ASIA/PACIFIC Seagate Technology LLC
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