5.3 Host Commands
(32) SECURITY ERASE UNIT (X’F4’)
This command erases all user data. This command also invalidates the user password and releases the lock function.
The host transfers the
Although this command invalidates the user password, the master password is retained.
To recover the master password, issue the SECURITY SET PASSWORD command and reset the user password.
•Error reporting conditions
(1)An incorrect password is specified (ST = 51h, ER = 04h).
(2)The Security Erase Prepare command did not complete normally beforehand (ST = 51h, ER = 04h).
(3)The device is in Security Frozen mode (ST = 51h, ER = 04h).
(4)A SATA communication error occurred (ST = 51h, ER = 14h).
At command issuance (Shadow Block Registers setting contents)
CM | 1 | 1 | 1 | 1 | 0 | 1 | 0 | 0 |
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DH | x | x | x | x |
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CH |
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CL |
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SN |
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SC |
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FR |
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At command completion (Shadow Block Registers contents to be read)
ST | Status information |
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DH | x | x | x |
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CH |
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CL |
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SN |
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SC |
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ER |
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