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Momentus 5400.2 PATA Product Manual, Rev. B
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*During periods of drive idle, some offline activity may occur, according to the S.M.A.R.T. specification, which may increase 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.
2.2 Formatted capacity
2.3 Default logical geometry
LBA mode
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.
2.4 Physical organization
Service life 5 years
Warranty
5 years on distribution units.
To determine the warranty for a specific drive, use a web browser to access the following web page:
www.seagate.com/support/service/
From this page, click on the “Verify Your Warranty” link. You will be asked to provide the drive serial
number, model number (or part number) and country of purchase. The system will display the war-
ranty information for your drive.
Model Formatted capacity Guaranteed sectors Bytes per sector
ST9120821A 120 Gbytes 234,441,648 512
ST9100824A 100 Gbytes 195,371,568 512
ST98823A 80 Gbytes 156,301,488 512
ST96812A 60 Gbytes 117,210,240 512
ST94813A 40 Gbytes 78,140,160 512
ST93811A 30 Gbytes 58,605,120 512
Cylinders Read/write heads Sectors per track
16,383 16 63
Model Read/write heads Number of discs
ST9120821A 4 2
ST9100824A 4 2
ST98823A 3 2
ST96812A 2 1
ST94813A 2 1
ST93811A 1 1
Table 1: Specifications
Drive specification ST9120821A ST9100824A ST98823A ST96812A ST94813A ST93811A