Dell OptiPlex 7020 - Page 9

7. power-supply diagnostic button
8. power cable connector
9. keyboard connector
10. USB 2.0 connector
11. display port connector
12. USB 3.0 connector
13. VGA connector
14. line-in or microphone connector
15. expansion-card slots
16. security-cable slot
17. padlock ring
18. mouse connector
19. network connector
20. serial connector
21. line-out connector
Figure 2. Inside View
1. power supply
2. PCI Express Card
3. intrusion switch
4. processor-fan cover
5. processor fan
6. drive cage
7. optical drive
8. power switch
9. input/output (I/O) Panel
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