Seagate ST1000DM003 Barracuda 7200.9 SATA Product Manual - Page 16

Formatted capacity, Default logical geometry

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2.2 Formatted capacity Model ST3160811AS ST3160211AS ST3120811AS ST3120211AS ST380811AS ST380211AS ST340211AS Formatted capacity* 160 Gbytes 160 Gbytes 120 Gbytes 120 Gbytes 80 Gbytes 80 Gbytes 40 Gbytes Guaranteed sectors 312,581,808 312,581,808 234,441,648 234,441,648 156,301,488 156,301,488 78,165,360 Bytes per sector 512 512 512 512 512 512 512 *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 48bit addressing support of drives with capacities over 137 Gbytes. 2.3 Default logical geometry Cylinders 16,383 Read/write heads 16 Sectors per track 63 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. 10 Barracuda 7200.9 Serial ATA Product Manual, Rev. C

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10
Barracuda 7200.9 Serial ATA Product Manual, Rev. C
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
.
Model
Formatted
capacity*
Guaranteed
sectors
Bytes per sector
ST3160811AS
160 Gbytes
312,581,808
512
ST3160211AS
160 Gbytes
312,581,808
512
ST3120811AS
120 Gbytes
234,441,648
512
ST3120211AS
120 Gbytes
234,441,648
512
ST380811AS
80 Gbytes
156,301,488
512
ST380211AS
80 Gbytes
156,301,488
512
ST340211AS
40 Gbytes
78,165,360
512
Cylinders
Read/write heads
Sectors per track
16,383
16
63