Seagate ST3400832ACE, ST3200826ACE, ST3250823ACE, ST3300831ACE manual Introduction, DB35 Series

1.0Introduction

This manual describes the functional, mechanical and interface specifications for the following Seagate® DB35 model drives:

DB35 Series

•ST3400832ACE

•ST3300831ACE

•ST3250823ACE

•ST3200826ACE

These drives provide the following key features:

•Minimal acoustics for consumer storage usage profile.

•Bedroom quiet performance.

•Optimized power for consumer storage devices.

•Spinup current limited to a maximum of 2 amps.

•7,200-RPM spindle speed

•8-Mbyte buffer on: ST3400832ACE, ST3300831ACE, ST3250823ACE and ST3200826ACE.

•High instantaneous (burst) data transfer rates (up to 100 Mbytes per second) using Ultra DMA mode 5.

•Tunneling Giant magnetoresistive (TGMR) recording heads and EPRML technology, which provide the drives with increased areal density.

•State-of-the-art cache and on-the-fly error-correction algorithms.

•Full-track multiple-sector transfer capability without local processor intervention.

•350 Gs nonoperating shock.

•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).

•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.

DB35 Series Product Manual, Rev. B 1