IBM DJSA-210 Hard Drive Specifications - Page 173

S.M.A.R.T. Enable/disable Attribute Autosave, S.M.A.R.T. Read Attribute Thresholds

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13.32 S.M.A.R.T. Function Set (B0h) Command Block Output Registers Register 7 6 5 4 3 2 1 0 Data Feature V V V V V V V V Sector Count V V V V V V V V Sector Number Cylinder Low 0 1 0 0 1 1 1 1 Cylinder High 1 1 0 0 0 0 1 0 Device/Head 1 - 1 D - - - - Command 1 0 1 1 0 0 0 0 Command Block Input Registers Register 7 6 5 4 3 2 1 0 Data Error see below Sector Count Sector Number Cylinder Low Cylinder High Device/Head Status see below Error Register 76543210 CRC UNC 0 IDN 0 ABT T0N AMN 00000V00 Status Register 7 6 5 4 3 2 10 BSY RDY DF DSC DRQ COR IDX ERR 0 V 0 V - 0 -V Figure 109. 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 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. Code Subcommand D0h D1h D2h D3h D4h D5h D6h S.M.A.R.T. Read Attribute Values S.M.A.R.T. Read Attribute Thresholds S.M.A.R.T. Enable/disable Attribute Autosave S.M.A.R.T. Save Attribute Values S.M.A.R.T. Execute Off-line Immediate S.M.A.R.T. Read Log Sector S.M.A.R.T. Write Log Sector Travelstar 32GH/30GT/20GN hard disk drive specifications 159

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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 109. 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
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.
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
Travelstar 32GH/30GT/20GN hard disk drive specifications
159