IBM DARA-206000 Hard Drive Specifications - Page 166
The S.M.A.R.T. Function Set command provides access to Attribute Values, Attribute Thresholds
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12.31 S.M.A.R.T. Function Set (B0h) Command Block Output Registers Register 76543210 Data Feature VVVVVVVV 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 1D Command 10110000 Command Block Input Registers Register 76543210 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 76543210 BSY RDY DF DSC DRQ COR IDX ERR 0V0V 0 V Figure 112. 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. 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 D0h D1h D2h D3h D4h D5h D6h Subcommand SMART Read Attribute Values SMART Read Attribute Thresholds SMART Enable/disable Attribute Autosave SMART Save Attribute Values SMART Execute Off-line Immediate SMART Read Log Sector SMART Write Log Sector 156 OEM Specifications of DARA-2xxxxx 2.5 inch H D D Rev 2.1
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