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Momentus 5400.5 SATA Product Manual, Rev. B
5
*One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment
and formatting.
**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
*One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment
and formatting.
2.2.1 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.
See Section 4.3.1, "Identify Device command" (words 60-61 and 100-103) for additional information about 48-
bit addressing support of drives with capacities over 137 Gbytes.
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.
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 warranty information for your drive.
Supports Hotplug operation per
Serial ATA Revision 2.6 specifica-
tion
Yes (requires COMPRESET from host after a hotplug event)
Model Formatted capacity* Guaranteed sectors Bytes per sector
ST9320320AS 320 Gbytes 625,142,448 512
ST9250320AS 250 Gbytes 488,397,168 512
ST9200321AS 200 Gbytes 390,721,968 512
ST9160310AS and ST9160310ASG 160 Gbytes 312,581,808 512
ST9120310AS and ST9120310ASG 120 Gbytes 234,441,648 512
ST980310AS and ST980310ASG 80 Gbytes 156,301,488 512
Cylinders Read/write heads Sectors per track
16,383 16 63
Table 1: Drive specifications
Drive specification ST9320320AS ST9250320AS ST9200321AS
ST9160310AS
ST9160310ASG
ST9120310AS
ST9120310ASG
ST980310AS
ST980310ASG