Hitachi HTS541040G9AT00 Specifications - Page 117
Device Configuration Overlay B1h
UPC - 000059826569
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13.2 Device Configuration Overlay (B1h) Table 61: Device Configuration Overlay Command (B1h) Command Block Output Registers Register 7 6 5 4 3 2 1 0 Data Feature 1 0 1 0 V V V V Sector Count LBA Low LBA Mid LBA High Device - - - D - - - - Command 1 0 1 1 0 0 0 1 Command Block Input Registers Register 7 6 5 4 3 2 1 0 Data Error see below Sector Count V V V V V V V V LBA Low LBA Low V V V V V V V V LBA High V V V V V V V V Device Status see below 76 CRC UNC 00 Error Register 54 3 2 1 0 0 IDN 0 ABT T0N AMN 00 0 V 0 0 Status Register 7 654 3 2 1 0 BSY RDY DF DSC DRQ COR IDX ERR V V0- V - - V Individual Device Configuration Overlay feature set commands are identified by the value placed in the Features register. The table below shows these Features register values. Table 62: Device Configuration Overlay Features register values Value C0h C1h C2h C3h other Command DEVICE CONFIGURATION RESTORE DEVICE CONFIGURATION FREEZE LOCK DEVICE CONFIGURATION IDENTIFY DEVICE CONFIGURATION SET Reserved 13.2.1 DEVICE CONFIGURATION RESTORE (subcommand C0h) The DEVICE CONFIGURATION RESTORE command disables any setting previously made by a DEVICE CONFIGURATION SET command and returns the content of the IDENTIFY DEVICE or IDENTIFY PACKET DEVICE command response to the original settings as indicated by the data returned from the execution of a DEVICE CONFIGURATION IDENTIFY command. 13.2.2 DEVICE CONFIGURATION FREEZE LOCK (subcommand C1h) The DEVICE CONFIGURATION FREEZE LOCK command prevents accidental modification of the Device Configuration Overlay settings. After successful execution of a DEVICE CONFIGURATION FREEZE LOCK command, all DEVICE CONFIGURATION SET, DEVICE CONFIGURATION FREEZE LOCK, DEVICE CONFIGURATION IDENTIFY, and DEVICE CONFIGURATION RESTORE commands are aborted by the device. The DEVICE CONFIGURATION FREEZE LOCK condition shall be cleared by a power-down. The DEVICE CONFIGURATION FREEZE LOCK condition shall not be cleared by hardware or software reset. Travelstar 5K100 Hard Disk Drive Specification 103