Dell OptiPlex 7020 Small Form Factor Owner's Manual

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System Board Layout

The following image displays the system board layout of the computer.
Figure displaying the system board with call-out texts.
  1. power connector
  2. processor socket
  3. system-fan connector
  4. memory connectors ( SODIMM sockets)
  5. power switch connector
  6. coin-cell battery
  7. system power connector
  8. heatsink-fan connector
  9. front USB 3.0 connector
  10. front panel connector
  11. HDD/ODD power connector
  12. SATA connector
  13. SATA connector
  14. SATA connector
  15. internal speaker connector
  16. front panel audio connector
  17. PCI Express x16 connector
  18. PCI Express x4 connector
  19. intrusion-switch connector

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