Seagate Exos 7E8 SATA Product Manual, Rev. K
8
2.2.1
Fast Format - logical sector size conversion
n
Drive supports either 512E or 4KN logical sector size formats
n
SET SECTOR CONFIGURATION EXT (B2h) command (ACS-4 Standard) quickly converts between 512 and 4096 byte logical sector
size formats
n
The selected sector size change occurs immediately upon command completion
n
Default shipping format is 512E
n
COMMAND CHECK field value is taken from the DESCRIPTOR CHECK field in the descriptor specified by the SECTOR
CONFIGURATION DESCRIPTOR INDEX field
n
SECTOR CONFIGURATION DESCRIPTOR INDEX field specifies the Sector Configuration descriptor in the Set Sector
Configuration log page
Sector Configuration log (Log Address 2Fh)
The Sector Configuration log contains Sector Configuration descriptors. The Sector Configuration descriptors describe
sector configurations. The sector configuration is specified using the SET SECTOR CONFIGURATION EXT command.
Table 2 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
Table 3
Sector Configuration descriptors page format (log page 00h)
Offset
Type
Description
0...15
Bytes
Sector Configuration descriptor 0
16...31
Bytes
Sector Configuration descriptor 1
... ... ...
112...127
Bytes
Sector Configuration descriptor 7
128...511
Bytes
Reserved
