Hitachi 7K400 Specifications - Page 201
Security Freeze Lock F5h
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UPC - 000053412935
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12.36 Security Freeze Lock (F5h) Table 138: Security Freeze Lock command (F5h) Command Block Output Registers Register 7 6 5 4 3 2 1 0 Data Feature Sector Count Sector Number Cylinder Low Cylinder High Device/Head 1 - 1 D - - - - Command 1 1 1 1 0 1 0 1 76 CRC UNC 00 Error Register 54 3 2 1 0 0 IDN 0 ABT T0N AMN 00 0 V 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 Status Register 7 654 3 2 1 0 BSY RDY DF DSC DRQ COR IDX ERR 0 V0- - 0 - V The Security Freeze Lock Command allows the device to enter frozen mode immediately. After this command is completed, the command which updates Security Mode Feature (Device Lock Function) is rejected. Frozen mode is quit only by a Power off. The following commands are rejected when the device is in frozen mode: • Security Set Password • Security Unlock • Security Disable Password • Security Erase Unit Deskstar 7K400 Hard Disk Drive Specification 187
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