System board layout
1. PCIex16 connector 2. PCIex1 connector
3. RJ-45/USB 2.0 connector 4. USB 3.0 connector
5. Keyboard MS connector (optional) 6. DisplayPort connector
7. HDMI connector 8. Line-out connector
9. CPU power connector 10. Intrusion switch connector
11. VGA daughter board connector 12. Processor
13. CPU fan connector 14. Memory module connectors
15. Power switch connector 16. Media card reader connector (optional)
17. System fan connector 18. Hard drive activity LED
19. Universal audio jack 20. USB 2.0 connector
21. USB 3.0 connector 22. ATX power connector
23. SATA2 connector 24. Password clear jumper
25. Service mode jumper 26. Speaker connector
27. SATA hard drive power cable connector 28. Internal USB connector
29. SATA connector 30. Coin cell battery
31. Clear CMOS jumper
Removing and installing components 23