Seagate ST930814AM Formatted capacity, Default logical geometry, Physical organization, LBA mode

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2.2Formatted capacity

Model	Formatted capacity*	Guaranteed sectors	Bytes per sector

ST940813AM	40 Gbytes	78,140,160	512

ST940814AM	40 Gbytes	78,140,160	512

ST930813AM	30 Gbytes	58,605,120	512

ST930814AM	30 Gbytes	58,605,120	512

ST920813AM	20 Gbytes	39,070,080	512

ST920814AM	20 Gbytes	39,070,080	512

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

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.

2.4Physical organization

Model	Read/write heads	Number of discs

ST940813AM	2	1

ST940814AM	2	1

ST930813AM	2	1

ST930814AM	2	1

ST920813AM	1	1

ST920814AM	1	1

8	EE25 Series Product Manual, Rev. E

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Contents EE25 Series Page Contents EE25 Series Product Manual, Rev. E List of Figures EE25 Series Product Manual, Rev. E Introduction EE25 Series Product Manual, Rev. E Drive specifications Specification summarySpecifications for 40 and 30 Gbyte models AftermarketVibration, nonoperating Specifications for 20 Gbyte models Drive specification ST920813AM ST920814AMEE25 Series Product Manual, Rev. E Formatted capacity Default logical geometryLBA mode Physical organizationRecording and interface technology Physical characteristicsTechnology Specification Seek timeMsec Typical Max Read seek times vs temperature 85C 25C 20C 30CStart/stop times 85C 25C 20C 30CPower specifications Voltage tolerance Typical current profileConducted noise Idle mode Power-management modesActive mode Sleep modeEnvironmental specifications AltitudeNonoperating shock ShockOperating shock Vibration Acoustic mode Idle Normal Seek Performance SeekAcoustics Operating vibrationReliability Measurement type SpecificationElectromagnetic immunity Test Description Performance Reference Level StandardAgency certification European Union Restriction of Hazardous Substances RoHS Environmental protectionCorrosive environment Page Jumper settings Configuring and mounting the driveHandling and static discharge precautions Master/slave configurationDrive mounting Cable-select optionCable Connector Signal Name Conductor Contact ATA interface signals and connector pinsSignal Name Connector Cable Contact Conductor ATA interfaceSupported ATA commands Command name Command code in hex ATA-standard commandsATA-standard security commands Command name Command code in hexATA-standard power-management commands Identify Device command Word Description ValueXx07H Description if bit is set to Bit Word Bit WordSet Features command 0CHEE25 Series Product Manual, Rev. E Presales Support Seagate Technology support servicesInternet Technical SupportData Recovery Services Call Center Toll-free Direct dial Warranty ServiceData Recovery Services Authorized Service Centers Index NumericsPage Page EE25 Series Product Manual, Rev. E Page Seagate Technology LLC