System back view
1. Line-in port
2. Line-out port
3. Microphone port
4. VGA port
5. HDMI port
6. USB 2.0 ports (4)
7. Service tag
8. Expansion card slots
9. Power connector port
10. Power diagnostics light
11. Kensington security slot
12. Network port
13. Padlock ring 1
14. Padlock ring 2
Chassis overview
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