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Dell OptiPlex 9020 Mini Tower Owner's Manual

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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. 4-pin CPU power connecter
  8. system fan connector
  9. CPU Socket
  10. heat-sink fan connector
  11. DDR DIMM memory slots (4)
  12. front power-switch connector
  13. 8-pin power connector
  14. SATA connectors
  15. HDD and optical drive power connector
  16. SATA connectors
  17. front panel USB connector
  18. front panel audio connector
  19. password reset jumper
  20. internal USB 2.0 connector
  21. RTCRST jumper connector
  22. speaker connector

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