Formatted Capacity; Lba Mode; Default Logical Geometry - Seagate ST3160023AS - Barracuda 160 GB Hard Drive Product Manual

Table 2: Drive specifications
Drive specification
Contact start-stop cycles
(25°C, 40% relative humidity)
Supports Hotplug operation per SATA II
specification
*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.
2.2

Formatted capacity

Model Formatted capacity*
ST3200822AS 200 Gbytes
ST3160827AS
ST3160023AS 160 Gbytes
ST3160021AS
ST3120827AS
ST3120026AS 120 Gbytes
ST3120022AS
ST380817AS
ST380013AS 80 Gbytes
ST380011AS
ST340111AS
40 Gbytes
ST340014AS
*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

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.
Barracuda 7200.7 Serial ATA Product Manual, Rev. N
ST3160827AS
ST3200822AS ST3160023AS
ST3160021AS
50,000
Yes
Guaranteed sectors
390,721,968
312,581,808
234,441,648
156,301,488
78,165,360
Sectors per track
63
ST3120827AS ST380817AS
ST3120026AS ST380013AS
ST3120022AS ST380011AS
Bytes per sector
512
512
512
512
512
ST340111AS
ST340014AS
5