Текст страницы
SMART Function Set (B0h)
Command Block Output Registers
Command Block Input Registers
Register
7
6
5
4
3
2
1
0
Register
7
6
5
4
3
2
1
0
Data
-
-
-
-
-
-
-
-
Data
-
-
-
-
-
-
-
-
Feature
V
V
V
V
V
V
V
V
Error
…See Below…
Sector Count
V
V
V
V
V
V
V
V
Sector Count
-
-
-
-
-
-
-
-
Sector Number
V
V
V
V
V
V
V
V
Sector Number
-
-
-
-
-
-
-
-
Cylinder Low
0
1
0
0
1
1
1
1
Cylinder Low
-
-
-
-
-
-
-
-
Cylinder High
1
1
0
0
0
0
1
0
Cylinder High
-
-
-
-
-
-
-
-
Device/Head
1
-
1
D
-
-
-
-
Device/Head
-
-
-
-
-
-
-
-
Command
1
0
1
1
0
0
0
0
Status
…See Below…
Error Register
Status Register
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
CRC UNC
0
IDN
0
ABT T0N AMN
BSY RDY
DF
DSC DRQ COR IDX
ERR
0
V
0
V
0
V
0
0
0
V
0
V
-
0
-
V
Table 231 SMART Function Set Command (B0h)
The SMART Function Set command provides access to Attribute Values, Attribute Thresholds and other low level
subcommands that can be used for logging and reporting purposes and to accommodate special user needs. The
SMART Function Set command has several separate subcommands which are selectable via the device’s Features
Register when the SMART Function Set command is issued by the host.
280
Western Digital Ultrastar DC HC310 SATA Product Manual