Product manual

Barracuda 7200.7 Serial ATA Product Manual, Rev. C 9
2.2 Formatted capacity
2.2.1 LBA mode
When addressing these drives in LBA mode, all blocks (sectors) are consec-
utively 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 capaci-
ties over 137 Gbytes.
2.3 Default logical geometry
LBA mode
When addressing these drives in LBA mode, all blocks (sectors) are consec-
utively 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
ST3160023AS
ST3160021AS
160 Gbytes 312,581,808 512
ST3120026AS
ST3120022AS
120 Gbytes 234,441,648 512
ST380013AS
ST380011AS
80 Gbytes 156,301,488 512
ST340014AS 40 Gbytes 78,165,360 512
Cylinders Read/write heads Sectors per track
16,383 16 63