HP Compaq 6530s Maintenance And Service Manual page 21

Item Component
(2) Optical drive
(3) Security cable slot
Function
Reads optical discs and, on select models, also writes to
optical discs.
Attaches an optional security cable to the computer.
NOTE: The security cable is designed to act as a
deterrent, but it may not prevent the computer from being
mishandled or stolen.
Right-side components 13