Hitachi DK23BA-20 Owners Manual - Page 62

6.3.2.8.11 SMART Execute Off-line Immediate [B0h, Sub D4h] Task File Registers Command Cylinder High Cylinder Low Device/Head Sector Number Sector Count Features DRV : Device selection bit 7 6 5 4 3 2 1 0 B0h C2h 4Fh - X - DRV XX XX XX D4h 0 : DRV0 1:DRV1 This command causes the device to immediately initiate the optional set of off-line data collection activities that collect attribute data in an off-line mode and then save this data to the device, or execute a selfdiagnostic test routine in either captive or off-line mode. Table 6.11 SMART EXECUTE OFF-LINE IMMEDIATE Sector Number register values Value Description of subcommand to be executed 0 Execute SMART off-line routine immediately in off-line mode 1 Execute SMART Short self-test routine immediately in off-line mode 2 Execute SMART Extended self-test routine immediately in off-line mode 3 Reserved 4 Execute SMART Selective self-test routine immediately in off-line mode 5 - 63 Reserved 64 - 125 Reserved (Vendor specific) 126 Abort off-line mode off-line routine (Vendor specific) 127 Abort off-line mode self-test routine 128 Reserved 129 Execute SMART Short self-test routine immediately in captive mode 130 Execute SMART Extended self-test routine immediately in captive mode 131 Reserved 132 Execute SMART Selective self-test routine immediately in captive mode 133- 191 Reserved 192 - 255 Reserved (Vendor Specific) (1) Off-line mode The following describes the protocol for executing a SMART EXECUTE OFF-LINE IMMEDIATE subcommand routine (including a self-test routine) in the off-line mode. a) The device executes command completion before executing the subcommand routine. b) After clearing BSY to zero and setting DRDY to one after receiving the command, the device does not set BSY nor clears DRDY during execution of the subcommand routine. K6610007 Rev.5 02.14.'03 - 62 -