Server User Manual

Momentus 5400.2 Blade Server Product Manual, Rev. B

1.0 Introduction

This manual describes the functional, mechanical and interface specifications for the following Seagate

Momentus

5400.2 Blade Server drives:

• ST9120821AB

• ST9100824AB

• ST98823AB

• ST96812AB

• ST94813AB

These drives provide the following key features:

• 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 250 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).

Figure 1. Momentus 5400.2 PATA disc drive