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Barracuda 7200.7 Product Manual, Rev. E 1
1.0 Introduction
This manual describes the functional, mechanical and interface specifications for the following Seagate
®
Barracuda
®
7200.7 model drives:
Barracuda 7200.7 Plus
• ST3160023A
• ST3120026A
• ST380013A
Barracuda 7200.7
• ST3160021A
• ST3120022A
• ST380011A
• ST360014A
• ST340014A
These drives provide the following key features:
• 7,200-RPM spindle speed and 2-Mbyte buffer (8 Mbytes on “Plus” models: ST3160023A, ST3120026A, and
ST380013A) combine for superior desktop performance.
• High instantaneous (burst) data transfer rates (up to 100 Mbytes per second) using Ultra DMA mode 5.
• Giant magnetoresistive (GMR) 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.
• Quiet operation.
• 350 Gs nonoperating 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).