Seagate ST9250315AS, ST9500325AS manual Formatted capacity, Default logical geometry, LBA mode

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and formatting.

**During periods of drive idle, some offline activity may occur according to the S.M.A.R.T. specification, which may increase acoustic and power to operational levels.

***Typical notebooks will pull power to the drive when entering S3 and S4; while in the S3 and S4 states, drive sleep and drive standby modes will not contribute to battery power consumption.

2.2Formatted capacity

Model	Formatted capacity*	Guaranteed sectors	Bytes per sector

ST9500325AS and ST9500325ASG	500 Gbytes	976,773,168	512

ST9320325AS and ST9320325ASG	320 Gbytes	625,142,448	512

ST9250315AS and ST9250315ASG	250 Gbytes	488,397,168	512

ST9160314AS and ST9160314ASG	160 Gbytes	312,581,808	512

ST9120315AS	120 Gbytes	234,441,648	512

*One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment and formatting.

2.2.1LBA mode

When addressing these drives in LBA mode, all blocks (sectors) are consecutively numbered from 0 to n–1,where n is the number of guaranteed sectors as defined above.

See Section 4.3.1, "Identify Device command" (words 60-61 and 100-103) for additional information about 48- bit addressing support of drives with capacities over 137 Gbytes.

2.3Default logical geometry

Cylinders	Read/write heads	Sectors per track

16,383	16	63

LBA mode

When addressing these drives in LBA mode, all blocks (sectors) are consecutively numbered from 0 to n–1,where n is the number of guaranteed sectors as defined above.

Momentus 5400.6 SATA Product Manual, Rev. A

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Contents Momentus 5400.6 Sata Page Momentus 5400.6 Sata Product Manual, Rev. a Momentus 5400.6 Sata Product Manual, Rev. a Contents Momentus 5400.6 Sata Product Manual, Rev. a List of Figures Page Introduction About the Serial ATA interface Specification summary table Drive specificationsRead 2.6 watts Write 2.85 watts LBA mode Default logical geometryFormatted capacity Cylinders Read/write heads Sectors per track 16,383Drive specification Physical characteristicsPhysical organization Recording and interface technologyStart/stop times Seek timeTypical seek times Seek times msec ReadPower specifications Deferred spinup Typical current profileConducted noise Voltage tolerancePower management modes Power-management modesActive mode Idle modeEnvironmental specifications Operating shock ShockNonoperating shock VibrationAcoustics Drive A-weighted Sound Power Levels SWL, BAElectromagnetic immunity Test for Prominent Discrete Tones PDTsSafety certification Free Fall Protection featureReliability Agency certificationAustralian C-Tick N176 Korean RRLFCC verification European Union Restriction of Hazardous Substances RoHS Environmental protectionChina Restriction of Hazardous Substances RoHS Directive Handling and static-discharge precautions Configuring and mounting the driveSerial ATA cables and connectors Configuring the driveTop cover stiffness/deflection Drive mountingMeasurements shown in are in inches Signal Serial ATA connector pin definitionsSerial ATA Sata interface Segment Pin Function DefinitionP10 Ground 2nd mate P11 Reserved Pin Function DefinitionCommand name Command code in hex ATA-standard commands Supported ATA commandsCommand name Command code in hex Momentus 5400.6 Sata Product Manual, Rev. a Word Description Value Identify Device commandXx7FH Bit Word Description if bit is set to Bit WordSet Features command values Set Features commandAAH A.R.T. commands 3 S.M.A.R.T. commandsCode in features register A.R.T. command Momentus 5400.6 Sata Product Manual, Rev. a Presales Support Seagate Technology support servicesTechnical Support Data Recovery Services Authorized Service Centers Warranty ServiceData Recovery Services Call Center Toll-free Direct dial Index ITE Sata Momentus 5400.6 Sata Product Manual, Rev. a Page Seagate Technology LLC

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