Lenovo ThinkServer RD240 Software User's Manual page 277

Figure 8.19 Change Drive Security Menu
1. Select the Physical View tab in the left panel of the MegaRAID
Storage Manager window, and click a controller icon.
2. Right-click on the controller icon to display the menu of operations
available.
3. Select Change Drive Security->Change Security Settings, as
shown in Figure
Note: You can also access the drive security settings menu by
clicking the Operations menu on the menu bar and
selecting Change Drive Security->Change Security
Settings.
Selecting Full Disk Encryption Security Options
8.19.
8-25