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Western Digital Hard Disk Drive OEM Specification
11.42 Security Set Password (F1h)
Command Block Output Registers
Command Block Input Registers
Table 206 Security Set Password Command (F1h)
The Security Set Password command enables security mode feature (device lock function), and sets the master
password or the user password.
The security mode feature (device lock function) is enabled by this command, and the device is not locked
immediately. The device is locked after next power on reset. When the MASTER password is set by this command,
the master password is registered internally, but the device is NOT locked after next power on reset or hard reset.
This command requests a transfer of a single sector of data from the host including the information specified in Table
206 on the page 237.
The data transferred controls the function of this command.
: Identifier (1-Mater, 0-User)
: Security level
(1-Maximum, 0-High)
Master Password Revision Code
(valid if Word 0 bit 0 = 1)
Table 207 Security Set Password Information
Zero indicates that the device regards Password as User Password. One indicates that device