Dell OptiPlex 790 (Early 2011) - Manual (Page 2)

Desktop — Front And Back View
Figure 2. Front And Back View Of Desktop
1. optical drive
2. optical-drive eject button
3. power button, power light
4. USB 2.0 connectors (4)
5. microphone connector
6. headphone connector
7. drive activity light
8. diagnostic lights (4) 9. padlock ring
10. security-cable slot
11. power connector
12. back panel connectors
13. expansion-card slots (4)
14. power supply diagnostic light
15. power supply diagnostic button
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