e-STUDIO556/656/756/856(Ver03) © 2012 TOSHIBA TEC CORPORATION All rights reserved
SELF-DIAGNOSTIC MODE
5 - 16
(5) Encryption key / license backup/restoring (Key Backup Restore)
When the SRAM board or the SYS board is replaced or initialized, the encryption key and license
are erased. Therefore, they need to be backed up or restored with this function.
Configurations and functions of the "5.Key Backup Restore" menu
1. Key SRAM to FROM
Restore the encryption key from SRAM to FROM.
2. Key FROM to SRAM
Back up the encryption key from FROM to SRAM.
3. License SRAM to FROM
Restore the license from SRAM to FROM.
4. License FROM to SRAM
Back up the license from FROM to SRAM.
5. ADIKey SRAM to FROM
Restore the ADIKey from SRAM to FROM.
6. ADIKey FROM to SRAM
Back up the ADIKey from FROM to SRAM.
(6) HDD securely erasing (Erase HDD Securely)
This function is used before discarding the HDD.
It overwrites all the used areas on the HDD with the selected data, and makes it unusable.
After selecting this function, specify the level below to be overwritten.
1: LOW
This is the standard overwriting method.
2: MEDIUM
This overwriting method is more secure than LOW. The erasing time is between LOW and
HIGH.
3: HIGH
This is the most secure overwriting method. It takes the longest time to erase data.
4: SIMPLE
This is the simple overwriting method. It takes the shortest time to erase data.
Key in the level number to display ">" next to it.
(At this time, if "0" is entered, the screen returns to the initial one of the Assist Mode.)
Press the [START] button to display the reconfirmation screen, and then press the [START]
button again to start overwriting.
(7) SRAM securely erasing (Erase SRAM Securely)
This function is used before discarding the SRAM board.
It overwrites all the used areas on the SRAM board with the selected data, and makes it
unusable.
Immediately after selecting this function, the processing starts and is completed.
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