HGST Travelstar 7K500 BE, 320GB 0A79103 User Manual
Product codes
0A79103
7K500 OEM Specification
Page 143 of 176
14.40
14.40
14.40
14.40 S.M.A.R.T Function Set (B0h)
S.M.A.R.T Function Set (B0h)
S.M.A.R.T Function Set (B0h)
S.M.A.R.T 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
- - - - - - - -
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 AM
N
BSY RDY
DF
DSC DRQ COR IDX ERR
0
0
0
0
0
V
0
0
0
V
0
V
-
0
0
V
Table 110 S.M.A.R.T. Function Set Command (B0h)
The S.M.A.R.T. 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 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.
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.
14.40.1
14.40.1
14.40.1
14.40.1
S.M.A.R.T. Sub commands
S.M.A.R.T. Sub commands
S.M.A.R.T. Sub commands
S.M.A.R.T. Sub commands
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.
Register before issuing the S.M.A.R.T. Function Set command. The subcommands and their
respective codes are listed below.
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
.4
S.M.A.R.T. Read Attribute Values (Subcommand D0h)
S.M.A.R.T. Read Attribute Values (Subcommand D0h)
S.M.A.R.T. Read Attribute Values (Subcommand D0h)
S.M.A.R.T. Read Attribute Values (Subcommand D0h)
This subcommand returns the device’s Attribute Values to the host. Upon receipt of the S.M.A.R.T.
Read Attribute Values subcommand from the host, the device saves any updated Attribute Values to
the Attribute Data sectors, and then waits for the host to transfer the 512 bytes of Attribute Value
information from the device.
Read Attribute Values subcommand from the host, the device saves any updated Attribute Values to
the Attribute Data sectors, and then waits for the host to transfer the 512 bytes of Attribute Value
information from the device.