Seagate ST94019A ユーザーズマニュアル

Momentus 42 Product Manual, Rev. A

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

®

Momentus™ 42 drives:

• ST94019A

• ST92014A

• ST93015A

These drives provide the following key features:

• 4,200-RPM-class

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 performance spindle speed and 2-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.

• 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.

• 800 Gs nonoperating shock, and 225 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).

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Actual spin speed is 5,400 RPM.