Compaq Armada 1700 Reference Manual page 115

To help protect your computer from theft, use the cable lock
provision to secure the computer to a work area.
To attach the cable lock:
1. Loop the cable around a heavy, fixed object to which you
want to secure the computer.
2. Insert the lock end of the cable through the loop end of the
cable.
3. Insert the lock into the security slot on the computer.
4. Lock with the key.
The cable lock can be purchased from Kensington
Microware Limited or from Compaq authorized dealers, resellers,
and service providers worldwide.