System board layout
1. PCIex16 connector 2. PCIex4 connector
3. RJ-45/USB 2.0 connector 4. USB 3.0 connector
5. PS2 keyboard/MS connector 6. Serial port connector
7. DisplayPort connector 8. HDMI connector
9. Line-out connector 10. CPU power connector
11. Intrusion switch connector 12. VGA daughter board connector
13. Processor 14. CPU fan connector
15. Memory module connectors 16. M.2 socket3 connector
17. Power switch connector 18. Media card reader connector
19. System fan connector 20. Hard drive activity LED
21. Universal audio jack 22. USB 2.0 connector
23. USB 3.0 connector 24. ATX power connector
25. SATA0 connector 26. SATA2 connector
27. Internal speaker connector 28. Hard drive and optical drive power cable connector
29. Internal USB connector 30. SATA1 connector
31. Coin cell battery
26 Removing and installing components