Seagate ST9120817AS - Momentus 5400.4 120 GB Hard Drive, Product Manual

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Momentus 5400.4 SATA Product Manual, Rev. A 1
1.0 Introduction
This manual describes the functional, mechanical and interface specifications for the following Seagate
Momentus
®
5400.4 SATA model drives:
• ST9250827AS
• ST9200827AS
• ST9160827AS
• ST9120817AS
These drives provide the following key features:
• 5,400-RPM spindle speed.
• 8-Mbyte buffer.
• Quiet operation. Fluid Dynamic Bearing (FDB) motor.
• High instantaneous (burst) data-transfer rates (up to 150 Mbytes per second).
• Perpendicular recording technology provides the drives with increased areal density.
• State-of-the-art cache and on-the-fly error-correction algorithms.
• Full-track multiple-sector transfer capability without local processor intervention.
• 900 Gs nonoperating shock and 325 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.