Seagate BarraCuda Pro Serial ATA Product Manual, Rev. A
9
www.seagate.com
Drive specifications
1.2.2
Formatted capacity
*One GB equals one billion bytes when referring to hard drive capacity.
Accessible capacity may vary depending on operating environment and formatting.
NOTE
LBA Counts for drive capacities greater than 8TB are calculated based upon the
SFF-8447 standard publication.
ftp://ftp.seagate.com/sff/SFF-8447.PDF
1.2.2.1
Fast Format - logical sector size conversion
Drive supports either 512E or 4KN logical sector size formats
SET SECTOR CONFIGURATION EXT (B2h) command (ACS-4 Standard) quickly converts between 512 and 4096 byte logical
sector size formats
The selected sector size change occurs immediately upon command completion
Default shipping format is 512E
COMMAND CHECK field value is taken from the DESCRIPTOR CHECK field in the descriptor specified by the
SECTOR CONFIGURATION DESCRIPTOR INDEX field
SECTOR CONFIGURATION DESCRIPTOR INDEX field specifies the Sector Configuration descriptor in the Set Sector
Configuration log page
ST models
Formatted capacity*
Guaranteed sectors
Bytes per logical sector
ST14000DM001
14TB
27,344,764,928
512E
ST12000DM001
12TB
23,437,770,752
ST10000DM001
10TB
19,532,873,728
Table 3 SET SECTOR CONFIGURATION EXT command inputs
Field
Description
FEATURE
COMMAND CHECK field
COUNT
Bit Description
15 : 3 Reserved
2:0 SECTOR CONFIGURATION DESCRIPTOR INDEX field
LBA
Reserved
DEVICE
Bit Description
7 Obsolete
6 N/A
5 Obsolete
4 Transport Dependent
3:0 Reserved
COMMAND
7:0 B2h
