1. Line-in port 2. Line-out port
3. Microphone port 4. HDMI port
5. VGA port 6. Service tag label
7. USB 2.0 ports (4) 8. Power supply diagnostics button
9. Power supply diagnostics light 10. Power connector port
11. Padlock ring 12. Kensington security slot
13. Network port
Chassis 9