Introduction - Seagate Momentus 5400.5 320GB Product Manual

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Introduction

This manual describes the functional, mechanical and interface specifications for the following Seagate
®
Momentus 5400.5 SATA model drives:
• ST9320320AS
• ST9250320AS
• ST9200321AS
• ST9160310AS
• ST9160310ASG
• ST9120310AS
• ST9120310ASG
• ST980310AS
• ST980310ASG
These drives provide the following key features:
• 5,400-RPM spindle speed.
• 8-Mbyte buffer.
• Free Fall Protection (on ST9160310ASG, ST9120310ASG and ST980310ASG models only)
• Quiet operation. Fluid Dynamic Bearing (FDB) motor.
• High instantaneous (burst) data-transfer rates (up to 3.0 Gbits/sec).
• 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 5400.5 SATA Product Manual, Rev. B 1