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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
Model
ST9320424AS and ST9320424ASG
ST9250424AS and ST9250424ASG
ST9160414AS and ST9160414ASG
ST9120414AS and ST9120414ASG
ST980414ASG
*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 4.2.5, "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
Cylinders
Read/write heads
16,383
16
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.
Momentus 7200 FDE.1 SATA Product Manual, Rev. A
Formatted capacity*
320 Gbytes
250 Gbytes
160 Gbytes
120 Gbytes
80 Gbytes
Sectors per track
63
Guaranteed sectors
Bytes per sector
625,142,448
512
488,397,168
512
312,581,808
512
234,441,648
512
156,301,488
512
7
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