Seagate Comprehensive Guide to Momentus 5400.2 Drives Including ST96812A and ST98823A
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1.0Introduction

This manual describes the functional, mechanical and interface specifications for the following Seagate® Momentus®5400.2 drives:

•ST9120821A

•ST9100824A

•ST98823A

•ST96812A

•ST94813A

•ST93811A

These drives provide the following key features:

•5,400-RPM spindle speed and 8-Mbyte buffer combine for superior performance.

•Quiet operation. Fluid Dynamic Bearing (FDB) motor.

•High instantaneous (burst) data transfer rates (up to 100 Mbytes per second) using Ultra DMA mode 5.

•Tunneling Magnetoresistive (TMR) recording heads.

•State-of-the-art cache and on-the-fly error-correction algorithms.

•Full-track multiple-sector transfer capability without local processor intervention.

•800 Gs nonoperating shock and 250 Gs operating shock.

•SeaTools™ diagnostic software performs a drive self-test that eliminates unnecessary drive returns.

•The 3D Defense System™, which includes Drive Defense, Data Defense, and Diagnostic Defense, offers the industry’s most comprehensive protection for disc drives.

•Support for S.M.A.R.T. drive monitoring and reporting.

•Support for Read Multiple and Write Multiple commands.

•Support for autodetection of master/slave drives that use cable select (CSEL).

Figure 1. Momentus 5400.2 PATA disc drive

Momentus 5400.2 PATA Product Manual, Rev. B

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Contents ST9120821A ST9100824A ST98823A ST96812A ST94813A ST93811A Momentus5400.2Page Contents Momentus 5400.2 Pata Product Manual, Rev. B List of Figures Momentus 5400.2 Pata Product Manual, Rev. B Momentus 5400.2 Pata disc drive IntroductionMomentus 5400.2 Pata Product Manual, Rev. B Specification summary Drive specificationsSpecifications Average seek time msec typical 12.5 Physical organization Default logical geometryLBA mode Formatted capacityTechnology Specification Physical characteristicsRecording and interface technology Time to ready Typical Max @ 25C Seek timeTime to ready Typical seek times msec Read WritePower specifications Conducted noise Typical current profileVoltage tolerance Idle mode Power-management modesPower management modes Active modeEnvironmental specifications Vibration ShockOperating shock Nonoperating shockElectromagnetic immunity AcousticsElectromagnetic immunity Drive level acousticsAgency certification Safety certificationMeasurement type Specification ReliabilityAustralian C-Tick N176 Korean RRLFCC verification Corrosive environment Environmental protectionEuropean Union Restriction of Hazardous Substances RoHS Handling and static discharge precautions Configuring and mounting the driveMaster/slave configuration Jumper settingsCable-select option Drive mounting Mounting dimensions-top, side and end viewMomentus 5400.2 Pata Product Manual, Rev. B Cable Connector Conductor Contact Signal Name ATA interface signals and connector pinsConnector signals Connector Cable Signal Name Contact ConductorSupported 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 Supported commands Word Description Value Identify Device commandXx07H Bit Word Description if bit is set to Bit WordFeatures register values Set Features commandCompatibility summary Installation considerationsTested systems System CompatibilityTested Bios versions Bios versions testedVendor Release Revision Other certification Compatibility test configurationsOperating system versions tested Software utilitiesTechnical Support Seagate Technology support servicesInternet MySeagate Reseller.seagate.com Presales SupportData Recovery Services Authorized Service Centers Warranty ServiceData Recovery Services Call center Presales and Technical Support Warranty Service FAX services-All Europe toll callToll-free support numbers Asia/Pacific support services Publication feedback survey Momentus 5400.2 Pata Product Manual, Rev. B Numerics IndexPage Page Momentus 5400.2 Pata Product Manual, Rev. B Page Seagate Technology LLC

ST9120821A, ST98823A, ST94813A, ST9100824A, ST93811A specifications

The Seagate ST96812A, ST93811A, ST9100824A, ST94813A, and ST98823A are notable hard drive models from Seagate’s extensive lineup, each offering distinct features and technologies suitable for various computing needs. Designed predominantly for desktop and enterprise solutions, these drives showcase Seagate's commitment to performance, reliability, and innovative technology.

Starting with the ST96812A, this drive features a storage capacity of 120 GB and utilizes an ATA interface, making it a popular choice during its time for both personal computing and enterprise applications. It is engineered with a 5400 RPM spindle speed, providing a balance between performance and power efficiency. With its 2 MB cache, the ST96812A enables quick access to frequently used data, facilitating smooth operation for everyday tasks.

The ST93811A, with a capacity of 80 GB, builds on the principles of dependable storage. It also operates at 5400 RPM, ensuring consistent performance for users who rely on dependable access to their stored information. The model’s robust design includes a 2 MB buffer, enhancing data transfer speeds and improving overall system responsiveness.

Next, the ST9100824A offers a significant leap in performance with a 100 GB capacity and superior data management capabilities. This drive integrates features like Advanced Format technology, which optimizes sector size for increased storage efficiency and error correction. The spindle speed retains 7200 RPM, providing faster read and write speeds which cater well to intensive applications such as gaming or video editing.

With a focus on higher storage capacity, the ST94813A holds up to 160 GB. This model is particularly notable for its low power consumption and quiet operation, making it suitable for environments where noise reduction is crucial, such as audio production studios or home media centers. The 7200 RPM speed and enhanced cache improve overall performance for multitasking scenarios.

Lastly, the ST98823A’s 250 GB capacity positions it as a higher-end option within this series. Featuring a spindle speed of 7200 RPM and a considerable cache size, it excels in handling larger files and complex applications. This model is geared towards users seeking a fusion of speed and ample storage for applications ranging from database management to creative production.

In summary, the Seagate ST96812A, ST93811A, ST9100824A, ST94813A, and ST98823A hard drives collectively illustrate Seagate's dedication to providing various storage solutions characterized by performance, efficiency, and technological advancement tailored to meet diverse user demands.
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