Seagate ST980829A, ST960812A, ST950814A, ST9402112A Introduction, Momentus 4200.2 Pata disc drive

1.0Introduction

This manual describes the functional, mechanical and interface specifications for the following Seagate® Momentus 4200.2 drives:

•ST9120824A

•ST9100825A

•ST980829A

•ST960812A

•ST950814A

•ST9402112A

•ST930218A

These drives provide the following key features:

•4,200-RPM-Class Performance spindle speed. Actual spindle speed is 5,400 RPM.

•8-Mbyte buffer.

•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.

•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 4200.2 PATA disc drive

Momentus 4200.2 Product Manual, Rev. C 1