Deskstar T7K500 Hard Disk Drive Specification
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12.33 Security Freeze Lock (F5h)
Table 124: Security Freeze Lock command (F5h)
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
Refer to Table 70: “Command table for device lock operation” on page 84.
Command Block Output Registers Command Block Input Registers
Register 7 6 5 4 3 2 1 0 Register 7 6 5 4 3 2 1 0
Data - - - - - - - - Data - - - - - - - -
Feature - - - - - - - - Error see below
Sector Count - - - - - - - - Sector Count - - - - - - - -
Sector Number - - - - - - - - Sector Number - - - - - - - -
Cylinder Low - - - - - - - - Cylinder Low - - - - - - - -
Cylinder High - - - - - - - - Cylinder High - - - - - - - -
Device/Head 1 - 1 D - - - - Device/Head - - - - - - - -
Command 1 1 1 1 0 1 0 1 Status see below
Error Register Status Register
7654321 0 76543 21 0
CRC UNC 0 IDN 0 ABT T0N AMN BSY RDY DF DSC DRQ COR IDX ERR
00000V0 0 0V0-- 0- V
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