11. power-supply diagnostic button
12. power connector
13. back panel connectors
14. expansion-card slots (4)
15. security-cable slot
16. padlock ring
Mini-Tower — Back Panel View
Figure 2. Back Panel view of Mini-Tower
1. mouse connector
2. network link-integrity light
3. network connector
4. network activity light
5. USB 2.0 connectors (2)
6. serial connector
7. line-out connector
8. keyboard connector
9. USB 2.0 connectors (2)
10. DisplayPort connectors (2)
11. USB 3.0 connectors (2)
12. VGA connector
13. line-in/microphone connector
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