Drive Specifications; Formatted Capacity; Default Logical Geometry - Seagate Barracuda ATA III Family Product Manual

Barracuda ATA III Family Product Manual, Rev. B

1.0 Drive specifications

Unless otherwise noted, all specifications are measured under ambient
conditions, at 25°C, and nominal power. For convenience, the phrases
the drive and this drive are used throughout this manual to indicate the
ST340824A, ST330620A, ST320414A, ST315310A and the
ST310215A.

1.1 Formatted capacity

Drive Model Formatted Gbytes
ST340824A
ST330620A
ST320414A
ST315310A
ST310215A

1.1.1 Default logical geometry

CHS Mode Cylinders
ST340824A 16,383
ST330620A 16,383
ST320414A 16,383
ST315310A 16,383
ST310215A 16,383
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 .
Guaranteed
sectors
40.0 78,165,360
30.0 58,633,344
20.0 39,102,336
15.3 29,888,820
10.2 19,925,880
Read/Write
heads
16
16
16
16
16
5
Bytes per
sector
512
512
512
512
512
Sectors per
track
63
63
63
63
63