Compaq Armada 7800 Reference Manual page 169

Disabling devices through Computer Setup
Prevents unauthorized use of specified computer components.
Memory compartment cover security screw
Helps prevent unauthorized removal of memory expansion
boards.
Single-bay security screw
Secures either the hard drive or the MultiBay.
Dual-bay security screw
Secures both the hard drive and the MultiBay.
Cable lock provision
Provides a way to secure the computer, optional desktop
expansion base, or optional convenience base to a fixed object.
13-2 Security Features