System Board Components - Dell OptiPlex 9020 Owner's Manual

System Board Components

Figure 1. Components Of The System Board
1. PCI Express x16 slot (wired as x4)
3. PCIe x1 slot
5. PCI Express x16 slot
7. 4-pin CPU power connecter
9. CPU Socket
11. DDR DIMM memory slots (4)
13. 8-pin power connector
15. HDD and optical drive power connector
17. front panel USB connector
19. password reset jumper
21. RTCRST jumper connector
2. PCI slot
4. coin-cell battery
6. intrusion switch connector
8. system fan connector
10. heat-sink fan connector
12. front power-switch connector
14. SATA connectors
16. SATA connectors
18. front panel audio connector
20. internal USB 2.0 connector
22. speaker connector
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