Dell OptiPlex 9010 (Mid 2012) - Manual (Page 35)

System Board Components
Figure 1. Components Of The System Board
1. PCI Express x16 slot (wired as x4) 2. PCI slot
3. PCIe x1 slot 4. Coin-cell battery
5. PCI Express x16 slot 6. Intrusion switch connector
7. System fan connector 8. 4–pin CPU power connecter
9. CPU Socket 10. Heat-sink fan connector
11. DDR DIMM memory slots (4) 12. Front power-button connector
13. ATX 24–pin power connector 14. SATA connectors
15. Front panel USB connector 16. Speaker connector
17. Front panel audio connector 18. Thermal sensor connector
19. Internal USB 2.0 connector 20. Password reset jumper
21. RTCRST jumper connector
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