13.32 S.M.A.R.T. Function Set (B0h)
see below
Status
1 0 1 1 0 0 0 0
Command
- - - - - - - -
Device/Head
1 - 1 D - - - -
Device/Head
- - - - - - - -
Cylinder High
1 1 0 0 0 0 1 0
Cylinder High
- - - - - - - -
Cylinder Low
0 1 0 0 1 1 1 1
Cylinder Low
- - - - - - - -
Sector Number
- - - - - - - -
Sector Number
- - - - - - - -
Sector Count
V V V V V V V V
Sector Count
see below
Error
V V V V V V V V
Feature
- - - - - - - -
Data
- - - - - - - -
Data
7 6 5 4 3 2 1 0
Register
7 6 5 4 3 2 1 0
Register
Command Block Input Registers
Command Block Output Registers
V
-
0
-
V
0
V
0
0
0
V
0
0
0
0
0
ERR
IDX
COR
DRQ
DSC
DF
RDY
BSY
AMN
T0N
ABT
0
IDN
0
UNC
CRC
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
Status Register
Error Register
Figure 121. S.M.A.R.T. Function Set command (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 accommo-
date 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.
Code Subcommand
S.M.A.R.T. Enable/Disable Automatic Off-line
DBh
S.M.A.R.T. Return Status
DAh
S.M.A.R.T. Disable Operations
D9h
S.M.A.R.T. Enable Operations
D8h
S.M.A.R.T. Write Log Sector
D6h
S.M.A.R.T. Read Log Sector
D5h
S.M.A.R.T. Execute Off-line Immediate
D4h
S.M.A.R.T. Save Attribute Values
D3h
S.M.A.R.T. Enable/disable Attribute Autosave
D2h
S.M.A.R.T. Read Attribute Thresholds
D1h
S.M.A.R.T. Read Attribute Values
D0h
Travelstar 60GH & 40GN hard disk drive specifications
165
Содержание IC25N040ATCS04 - Travelstar 40 GB Hard Drive
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