Seagate ST94813A Computer Drive User Manual


 
Momentus 5400.2 PATA Product Manual, Rev. B
1
1.0 Introduction
This manual describes the functional, mechanical and interface specifications for the following Seagate
®
Momentus
®
5400.2 drives:
ST9120821A
ST9100824A
ST98823A
ST96812A
ST94813A
ST93811A
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