Dell OptiPlex 3020–Mini Tower Owner's Manual

System Board Components

The following image displays the system board layout. Figure displaying the system board components
  1. SATA connectors
  2. password reset jumper
  3. front USB2.0 connector
  4. internal USB connector
  5. RTCRST reset jump
  6. coin-cell battery
  7. front audio  connector
  8. PCI-ex1 connector
  9. PCI-ex16 connector
  10. intrusion switch connector
  11. system fan connector
  12. processor socket
  13. cpu power connector
  14. PS2 serial port connector
  15. cpu fan connector
  16. memory connector
  17. power switch connector
  18. ATX power connector
  19. HDD_ODD power cable connector
  20. HDD_LED connector
  21. speaker connector

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