Lenovo ThinkServer RD240 Software User's Manual page 144

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Figure 4.41 Change Security Settings – Security Key
6. Choose whether you want to use the existing security key or enter a
new security key. The options are:
– Use the existing drive security key.
– Enter a new drive security key.
7. If you choose to enter a new drive security key, you can create a new
drive security key or click Suggest to fill the new security key. Enter
the new drive security key again to confirm.
The security key is case-sensitive. It must be between eight and
thirty-two characters and contain at least one number, one lowercase
letter, one uppercase letter, and one non-alphanumeric character
(e.g. < > @ +). The space character is not permitted.
8. Click Next.
If you entered a new drive security key, the Authenticate Drive
Security Key screen appears as shown in
WebBIOS Configuration Utility
Figure 4.42.