Seagate ST9750420AS Momentus 7200.3 SATA Product Manual - Page 7
Introduction - diagnostics
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1.0 Introduction This manual describes the functional, mechanical and interface specifications for the following Seagate Momentus® 7200.3 SATA model drives: • ST9320421AS • ST9320421ASG • ST9250421AS • ST9250421ASG • ST9200421AS • ST9200423ASG • ST9160411AS • ST9160411ASG • ST9120411AS • ST9120411ASG • ST980411AS • ST980411ASG These drives provide the following key features: • 7,200-RPM spindle speed. • 16-Mbyte buffer. • Free Fall Protection (on ST9320421ASG, ST9250421ASG, ST9200423ASG, ST9160411ASG, ST9120411ASG and ST980411ASG models only) • Quiet operation. Fluid Dynamic Bearing (FDB) motor. • High instantaneous (burst) data-transfer rates (up to 3.0 Gbits per second). • Perpendicular recording technology. • State-of-the-art cache and on-the-fly error-correction algorithms. • Native Command Queuing (NCQ) with command ordering. • Full-track multiple-sector transfer capability without local processor intervention. • 1,000 Gs nonoperating shock and 350 Gs of 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. Momentus 7200.3 SATA Product Manual, Rev. C 1