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Dell OptiPlex 3020–Small Form Factor Owner's Manual

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System Board Components

The following image displays the system board layout. Figure displaying the system board components
  1. PCI Express x16 connector
  2. PCI Express x1 connector
  3. intrusion-switch connector
  4. PS/2, serial connector
  5. power connector
  6. processor socket
  7. CPU fan connector
  8. memory module connectors
  9. HDD LED & chassis detect  connector
  10. power switch connector
  11. coin-cell battery
  12. system power connector
  13. system fan connector
  14. RTC reset jumper
  15. ODD SATA connector
  16. HDD SATA connector
  17. power connector
  18. front i/o connector
  19. internal speaker connector
  20. password reset jumper
  21. front audio connector

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