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Dell OptiPlex 3020–Small Form Factor Owner's Manual

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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