HP Compaq Pro 4300 Small Form Factor Reference Manual page 54

4. Use the bracket provided in the kit to secure other peripheral devices by laying the device cable
across the center of the bracket (1) and inserting the security cable through one of the two holes
in the bracket (2). Use the hole in the bracket that best secures the peripheral device cable.
Figure B-6
5. Thread the keyboard and mouse cables through the computer chassis lock.
Figure B-7
48 Appendix B External Security Devices
Securing Peripheral Devices (Printer Shown)
Threading the Keyboard and Mouse Cables