MMDOE28G5MPP-0VA Samsung Semiconductor, MMDOE28G5MPP-0VA Datasheet - Page 18

• Manufacturer Part Number: MMDOE28G5MPP-0VA
• Manufacturer: Samsung Semiconductor

Specifications of MMDOE28G5MPP-0VA

• Lead Free Status / RoHS Status: Supplier Unconfirmed

7.2 SECURITY FEATURE Set
The Security mode features allow the host to implement a securtity password system to prevent unauthorized access to the drive.
7.2.1 SECURITY mode default setting
The NSSD is shipped with master password set to 20h value(ASCII blanks) and the lock function disabled.
The system manufacturer/dealer may set a new master password by using the SECURITY SET PASSWORD command, without enableing
the lock function.
7.2.2 Initial setting of the user password
When a user password is set, the drive automatically enters lock mode by the next powered-on
7.2.3 SECURITY mode operation from power-on
In locked mode, the NSSD rejects media access commands until a SECURITY UNLOCK command is successfully completed.
7.2.4 Password lost
If the user password is lost and High level security is set, the drive does not allow the user to access any data.
However, the drive can be unlocked using the master password.
If the user password is lost and Maxium security level is set, it is impossible to access data.
However, the drive can be unlocked using the ERASE UNIT command with the master password. The drive will erase all user data and unlock
the drive.
7.3 SMART FEATURE Set (B0h)
The SMART Feature Set command provides access to the Attribute Values, the Attribute Thresholds, and other low level subcommands that
can be used for logging and reporting purposes and to accommodate special user needs. The SMART Feature Set command has several
separate subcommands which are selectable via the device's Features Register when the SMART Feature Set command is issued by the
host. In order to select a subcommand the host must write the subcommand code to the device's Features Register before issuing the SMART
Feature Set command.
7.3.1 Sub Command
In order to select a subcommand the host must write the subcommand code to the device's Features Register before issuing the S.M.A.R.T.
Function Set command. The subcommands and their respective codes are listed below.
MMCRE64G5MPP-0VA
SMART READ DATA
SMART READ ATTRIBUTE THRESHOLDS
SMART ENABLE/DISABLE ATTRIBUTE AUTOSAVE
SMART SAVE ATTRIBUTE VALUES
SMART EXECUTE OFF-LINE IMMIDIATE
SMART READ LOG
Subcommand
Code
D0h
D1h
D2h
D3h
D4h
D5h
18
SMART WRITE LOG
SMART ENABLE OPERATIONS
SMART DISABLE OPERATIONS
SMART RETURN STATUS
SMART ENABLE/ DISABLE AUTOMATIC OFF-LINE
Subcommand
Code
DAh
DBh
D6h
D8h
D9h
Final