Panasonic CF-74 Series Reference Manual page 11

Security Measures
Disabling CD/DVD Drive
Disable CD/DVD drive operation to prevent the drive from being read/written and from being used to start the computer. You
can protect your data from unauthorized access or accidental overwriting.
1
Select [Disable] in [CD/DVD Operation] in the [Security] menu of the Setup Utility (
63).
NOTE
This does not work for USB CD/DVD drive.
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