Seagate ST940814AM, ST940813AM, ST930814AM, ST930813AM, ST920813AM, ST920814AM manual Introduction

1.0Introduction

This manual describes the functional, mechanical and interface specifications for the following Seagate® EE25 Series drives:

ST940813AM	OEM	40 GBytes
ST940814AM	Aftermarket	40	GBytes
ST930813AM	OEM	30 Gbytes
ST930814AM	Aftermarket	30	Gbytes
ST920813AM	OEM	20 Gbytes
ST920814AM	Aftermarket	20	Gbytes

These drives provide the following key features:

• Extreme operating environment capabilities:

OEM temperature range: -30°C to 85°C Aftermarket temperature range: -20°C to 75°C

•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 200 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).

EE25 Series Product Manual, Rev. E 1