Seagate, Seagate Technology and the Wave logo are registered trademarks of Seagate
Technology LLC in the United States and/or other countries. Momentus, SeagateSeaBOARD, SeaFONE, SeaTDD, and SeaTools are either trademarks or registered trademarks of Seagate Te chnolog y LLC or one of it s af filiate d comp a nies in the United States a nd/
or other countries. All other trademarks or registered trademarks are the property of their
respective owners.
One gigabyte, or GB, equals one billion bytes and one terabyte, or TB, equals one trillion
bytes when referring to hard drive capacity. Accessible capacity may vary depending on
operating environment and formatting. Quantitative usage examples for various applications
are for illustrative p urpo ses. Actual quan tities w ill vary based on vari ou s factors, including fi le
size, file format, features and application software. Seagate reserves the right to change,
without notice, product offerings or specifications.
• 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 S ystem ™, which i nclude s Drive D efen se, Dat a Defe nse, and Diagnostic Defense, of fers 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
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Momentus 5400.2 Dell Product Manual, Rev. B
Momentus 5400.2 Dell Product Manual, Rev. B
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2.0Drive specifications
Unless otherwise noted, all specifications are measured under ambient conditions, at 25°C, and nominal
power. For convenience, the phrases the drive and this drive are used throughout this manual to indicate
ST9100823A, ST9808211A, ST960822A, ST9408114A, and ST9308110A model drives.
2.1Specification summary
The specifications listed in this table are for quick reference. For details on specification measurement or
definition, see the appropriate section of this manual.
(°C per hour max, noncondensing)
Relative humidity (noncondensing)
Relative humidity gradient30% per hour max
Wet bulb temperature (°C max)
Altitude, operating–304.8 m to 3,048 m (–1000 ft to 10,000 ft)
Altitude, nonoperating
(below mean sea level, max)
Shock, operating (Gs max at 2 msec)250
Shock, nonoperating (Gs max at 2 msec)800
Shock, nonoperating (Gs max at 1 msec)900
Shock, nonoperating (Gs max at 0.5 msec)400
Vibration, operating (max displacement may
*Duri ng p eriod s of dri ve id le, some offl ine a c tivity m ay occur , accor di ng to the S.M.A .R .T. speci fic ation , w hich may incr ease acoustic and
power to operational levels.
**Typical notebooks will pull power to the drive when entering S3 and S4; while in the S3 and S4 states, drive sleep and drive standby modes
will not contribute to battery power consumption.
0° to 60°C (operating)
–40° to 70°C (nonoperating)
20°C (operating)
30°C (nonoperating)
5% to 90% (operating)
5% to 95% (nonoperating)
30°C (operating)
40°C (nonoperating)
–304.8 m to 12,192 m (–1,000 ft to 40,000 ft)
1.0 Gs (0 to peak, 5–500 Hz)
5.0 Gs (0 to peak, 10–500 Hz)
2.4 (typical)
2.6 (max)
2.6 (typical)
2.8 (max)
2.9 (typical)
3.1 (max)
550,000 power-on hours
At 8,760 POH (Power On Hours) per year
Max case temperature: 60°C at the case measurement location shown in Figure 4.
600,000 software-controlled power on/off cycles
20,000 hard power on/off cycles
600,000 software-controlled power on/off cycles
20,000 hard power on/off cycles
Momentus 5400.2 Dell Product Manual, Rev. B
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2.2Formatted capacity
ModelFormatted capacityGuaranteed sectors Bytes per sector
When addressing these drives in LBA mode, all blocks (sectors) are consecutively numbered from 0 to n–1,
where n is the number of guaranteed sectors as defined above.