Hitachi DK23FB-60 Owners Manual - Page 89
Device Configuration Restore [B1h, Sub 00h], 3.2.11.2 Device Configuration Freeze Lock [B1h
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6.3.2.11.1 Device Configuration Restore [B1h, Sub 00h] 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 B1h XX XX - X - DRV XX XX XX 00h 0 : DRV0 1:DRV1 The DEVICE CONFIGURATION RESTORE command disables any setting previously made by a DEVICE CONFIGURATION SET command and returns the content of the IDENTIFY DEVICE command response to the original settings as indicated by the data returned from the execution of a DEVICE CONFIGURATION IDENTIFY command. If DEVICE CONFIGURATION FREEZE LOCK is set or if a host protected area has been set by a SET MAX ADDRESS command, the device returns command aborted. 6.3.2.11.2 Device Configuration Freeze Lock [B1h, Sub 01h] 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 B1h XX XX - X - DRV XX XX XX 01h 0 : DRV0 1:DRV1 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 is cleared by a power-down. The DEVICE CONFIGURATION FREEZE LOCK condition is not cleared by hardware or software reset. If the device has executed a previous DEVICE CONFIGURATION FREEZE LOCK command since power-up, the device returns command aborted. K6610007 Rev.5 02.14.'03 - 89 -