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