Hitachi 7K320 Specifications - Page 60
Command Table
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UPC - 890552647200
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7K320 SATA OEM Specification Figure 7 Password Lost .3 Attempt limit for SECURITY UNLOCK command The SECURITY UNLOCK command has an attempt limit. The purpose of this attempt limit is to prevent that someone attempts to unlock the drive by using various passwords many times. The device counts the password mismatch. If the password does not match, the device counts it up without distinguishing the Master password and the User password. If the count reaches 5, EXPIRE bit(bit 4) of Word 128 in Identify Device information is set, and then SECURITY ERASE UNIT command and SECURITY UNLOCK command are aborted until a power off. The count and EXPIRE bit are cleared after a power on reset. 12.9.6 Command Table This table shows the device's response to commands when the Security Mode Feature Set (Device lock function) is enabled. Page 60 of 176
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