Seagate ST9500421AS - Momentus 7200 FDE 500 GB Hard Drive, Руководство по эксплуатации продукта

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6 Momentus 7200 FDE.2 SATA Product Manual, Rev. A
**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 4.2.5, "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
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
Model
Formatted
capacity* Guaranteed
sectors
Bytes per sector
ST9500421AS and ST9500426ASG 500 Gbytes 976,773,168 512
ST9320426AS and ST9320426ASG 320 Gbytes 625,142,448 512
ST9250411AS and ST9250464ASG 250 Gbytes 488,397,168 512
ST9160413AS and ST9160418ASG 160 Gbytes 312,581,808 512
Cylinders Read/write heads Sectors per track
16,383 16 63
Drive model Read/write heads Number of discs
ST9500421AS and ST9500426ASG 4 2
ST9320426AS and ST9320426ASG 3/4 2
ST9250411AS and ST9250464ASG 2 1
ST9160413AS and ST9160418ASG 2 1