Hitachi 100GB 7200 RPM HTE721010G9SA00 Benutzerhandbuch
Produktcode
HTE721010G9SA00
Travelstar E7K100 (SATA) Hard Disk Drive Specification
146
12.40 S.M.A.R.T. Function Set (B0h)
Table 101: S.M.A.R.T. Function Set (B0h)
The S.M.A.R.T. Function Set command provides access to the Attribute Values, the Attribute Thresholds, and
other low level subcommands that can be used for logging and reporting purposes and to accommodate special user
needs. The S.M.A.R.T. Function Set command has several separate subcommands which are selectable via the
device's Features Register when the S.M.A.R.T. Function Set command is issued by the host. In order to select a
subcommand the host must write the subcommand code to the device's Features Register before issuing the
S.M.A.R.T. Function Set command. The subcommands and their respective codes are listed below.
other low level subcommands that can be used for logging and reporting purposes and to accommodate special user
needs. The S.M.A.R.T. Function Set command has several separate subcommands which are selectable via the
device's Features Register when the S.M.A.R.T. Function Set command is issued by the host. In order to select a
subcommand the host must write the subcommand code to the device's Features Register before issuing the
S.M.A.R.T. Function Set command. The subcommands and their respective codes are listed below.
12.40.1 S.M.A.R.T. Subcommands
In order to select a subcommand the host must write the subcommand code to the device's Features Register before
issuing the S.M.A.R.T. Function Set command. The subcommands and their respective codes are listed below.
issuing the S.M.A.R.T. Function Set command. The subcommands and their respective codes are listed below.
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
- - - - - - - -
LBA Low
- - - - - - - -
LBA Low
- - - - - - - -
LBA Mid
0 1 0 0 1 1 1 1
LBA Mid
- - - - - - - -
LBA High
1 1 0 0 0 0 1 0
LBA High
- - - - - - - -
Device
- - - - - - - -
Device
- - - - - - - -
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
0
0
0
0
V
0
0
0
V
0
V
-
0
-
V
Code Subcommand
D0h
S.M.A.R.T. Read Attribute Values
D1h
S.M.A.R.T. Read Attribute Thresholds
D2h
S.M.A.R.T. Enable/disable Attribute Autosave
D3h
S.M.A.R.T. Save Attribute Values
D4h
S.M.A.R.T. Execute Off-line Immediate
D5h
S.M.A.R.T. Read Log Sector
D6h
S.M.A.R.T. Write Log Sector
D8h
S.M.A.R.T. Enable Operations
D9h
S.M.A.R.T. Disable Operations
DAh
S.M.A.R.T. Return Status
DBh
S.M.A.R.T. Enable/Disable Automatic Off-line