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Seagate ST9100825A Formatted capacity, Default logical geometry, Physical organization, LBA mode

Models: ST9120824A ST9402112A ST960812A ST950814A ST930218A ST9100825A ST980829A

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2.2Formatted capacity

Model	Formatted capacity*	Guaranteed sectors	Bytes per sector

ST9120824A	120 Gbytes	234,441,648	512

ST9100825A	100 Gbytes	195,371,568	512

ST980829A	80 Gbytes	156,301,488	512

ST960812A	60 Gbytes	117,210,240	512

ST950814A	50 Gbytes	97,692,174	512

ST9402112A	40 Gbytes	78,140,160	512

ST930218A	30 Gbytes	58,605,120	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

ST9120824A	4	2

ST9100825A	4	2

ST980829A	3	2

ST960812A	2	1

ST950814A	2	1

ST9402112A	2	1

ST930218A	1	1

Momentus 4200.2 Product Manual, Rev. C

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Seagate ST9100825A, ST980829A, ST960812A manual Formatted capacity, Default logical geometry, Physical organization, LBA mode

Contents

Momentus Page Contents Momentus 4200.2 Product Manual, Rev. C List of Figures Momentus 4200.2 Product Manual, Rev. C Momentus 4200.2 Pata disc drive Introduction Momentus 4200.2 Product Manual, Rev. C Specification summary Drive specificationsSpecifications for 120, 100, and 80 GB models Drive specification ST9120824A ST9100825A ST980829A Following web Warranty Drive specification ST960812A ST950814A ST9402112A ST930218A Specifications for 60, 50, 40, and 30 GB models Specifications for 60, 50, 40, and 30 GB models LBA mode Default logical geometryFormatted capacity Physical organization Technology Specification Physical characteristicsRecording and interface technology Seek time Time to ready Power specifications Conducted noise Typical current profileVoltage tolerance Power management modes Power-management modesActive mode Idle mode Environmental specifications Operating shock ShockNonoperating shock Vibration Electromagnetic immunity AcousticsDrive level acoustics Electromagnetic immunity Measurement type Specification Safety certificationReliability Agency certification Australian C-Tick N176 Korean RRLFCC verification Corrosive environment Environmental protectionEuropean Union Restriction of Hazardous Substances RoHS Momentus 4200.2 Product Manual, Rev. C Handling and static discharge precautions Configuring and mounting the drive Master/slave configuration Jumper settingsCable-select option Drive mounting Mounting dimensions-top, side and end view Momentus 4200.2 Product Manual, Rev. C Connector signals ATA interface signals and connector pinsConnector Cable Signal Name Contact Conductor Cable Connector Conductor Contact Signal Name Supported commands Supported ATA commandsCommand name Command code in hex ATA-standard commands ATA-standard power-management commands Command name Command code in hexATA-standard security commands Word Description Value Identify Device command XxxxH Bit Word Description if bit is set to Bit Word Features register values Set Features command Momentus 4200.2 Product Manual, Rev. C Compatibility summary Installation considerations Tested systems System Compatibility Tested Bios versions Bios versions testedVendor Release Revision Operating system versions tested Compatibility test configurationsSoftware utilities Other certification Internet Seagate Technology support servicesPresales Support Technical Support Data Recovery Services Authorized Service Centers Warranty ServiceData Recovery Services Call Center Toll-free Direct dial Index Page Page Momentus 4200.2 Product Manual, Rev. C Page Seagate Technology LLC