Seagate ST9250315AS, ST980313ASG, ST9500325ASG, ST9400326AS, ST9320325ASG manual Introduction

1.0Introduction

This manual describes the functional, mechanical and interface specifications for the following Seagate Momentus® 5400.6 SATA model drives:

• ST9500325AS	• ST9500325ASG
• ST9400326AS	•
• ST9320325AS	• ST9320325ASG
• ST9250315AS	• ST9250315ASG
• ST9160314AS	• ST9160314ASG
• ST9160301AS
• ST9120315AS	• ST9120315ASG
• ST980313AS	• ST980313ASG

These drives provide the following key features:

•5,400-RPM spindle speed.

•8-Mbyte buffer.

•Free Fall Protection (on ST9500325ASG, ST9320325ASG, ST9250315ASG, ST9160314ASG, ST9120315ASG, and ST980313ASG 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 5400.6 SATA Product Manual, Rev. E 1