Maxtor ST31000322CS, ST31000424CS manual Formatted capacity, Default logical geometry, LBA mode

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2.2Formatted capacity

	Formatted	Guaranteed
Model	capacity*	sectors	Bytes per sector

ST31000424CS	1000 Gbytes	1,953,525,168
ST31000322CS
ST3500414CS	500 Gbytes	976,773,168	512
ST3500312CS
ST3250312CS	250 Gbytes	488,397,168

*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 the drive 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 the drive 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.

2.4Recording and interface technology

	1000, 500 and 250 GB models

Interface	Serial ATA (SATA)

Recording method	Perpendicular

Recording density (kbits/inch max)	1417 kbits/in max

Track density (ktracks/inch avg)	236 ktracks/in avg

Areal density (Gbits/inch2 avg)	341.5 Gbits/in2 avg
Spindle speed (RPM)	5,900 +/- 0.2%

Internal data transfer rate (Mbits/sec max)	1285 Mbits/sec max

Sustained data transfer rate (Mbytes/sec max)	120 Mbytes/sec max

I/O data-transfer rate (Mbytes/sec max)	300 (Mbytes/sec max)

8	Pipeline HD.2 Series SATA Product Manual, Rev. A

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Contents Pipeline HD.2 Series Sata Revision history Revision DateContents Pipeline HD.2 Series Sata Product Manual, Rev. a List of Figures Page Introduction About the Serial ATA interface Drive specifications Specification summary tablesDrive specifications summary for 1000 Gbyte models Drive specification ST31000424CS ST31000322CS Pipeline HD.2 Series Sata Product Manual, Rev. a Drive specifications summary for 500 and 250 Gbyte models Drive specification ST3500414CS ST3500312CS ST3250312CSPipeline HD.2 Series Sata Product Manual, Rev. a Formatted capacity Default logical geometryLBA mode Recording and interface technologyStart/stop times Physical characteristicsSeek time Power specifications Voltage tolerance Typical current profilesConducted noise Idle mode Power-management modesActive mode Sleep modeEnvironmental specifications Nonoperating shock ShockOperating shock VibrationElectromagnetic immunity Drive A-weighted Sound Power Levels SWL, BAAcoustics emissions Test for Prominent Discrete Tones PDTsAgency certification Safety certificationReliability Annualized Failure Rate AFRFCC verification Korean RRLAustralian C-Tick N176 China Restriction of Hazardous Substances RoHS Directive Environmental protectionCorrosive environment Configuring and mounting the drive Handling and static-discharge precautionsConfiguring the drive Serial ATA cables and connectorsMounting dimensions for 1000 GB models Drive mountingMounting dimensions for 500 and 250 GB models Serial ATA Sata interface Hot-Plug compatibilitySignal Serial ATA device plug connector pin definitionsSerial ATA connector pin definitions Pin Function DefinitionCommand name Command code in hex Supported ATA commandsSupported ATA commands F4H Identify Device command Word Description ValueXx07H Description if bit is set to Bit Word Bit WordWord Set Features command Set Features command valuesCode in features register A.R.T. command 3 S.M.A.R.T. commandsA.R.T. commands Presales Support Seagate Technology support servicesInternet Technical SupportData Recovery Services Call Center Toll-free Direct dial Warranty ServiceData Recovery Services Authorized Service Centers Index ITE Page Pipeline HD.2 Series Sata Product Manual, Rev. a Page Seagate Technology LLC