System Board Layout - Dell OptiPlex 7040M Owner's Manual

System board layout

1. Processor
3. Internal speaker connector
5. USB 3.0 connector
7. USB 3.0 connector
9. Universal audio jack
11. Power switch
13. M.2 socket3 connector
15. RJ-45 Ethernet connector
17. DP/VGA daughter board connector
19. HDMI connector
16
2. CPU fan connector
4. Memory module connectors
6. Intrusion switch
8. Line out connector
10. M.2 socket1 connector
12. Hard drive connector
14. Coin cell battery
16. USB 3.0 connectors
18. DisplayPort connector
20. DC-in jack