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