User guide

1. CPU Socket 2011 13. Debug LED 25. PCI-E Slot 4x

2. Intel X79 Southbridge 14. USB 2.0 Headers 26. Front Panel Audio Connector

3. CPU Fan Header 15. USB 3.0 Headers 27. S/PDIF Out

4. DDR3 Memory DIMM Slots 1-8 16. CMOS Battery 28. EVGauge

5. 24-pin ATX power connector 17. Unused 29. Back Panel Connectors (Figure 2)

6. Fan Headers 18. CMOS Reset Button 30. 8 pin EPS Connector

7. PCI-E Disable Dipswitches 19. Power Button 31. Supplemental PCI-E 6pin Power

8. Intel Sata 6G/3G Ports 20. Reset Button 32. Removable BIOS Chip

9. Intel Sata 3G Ports 21. PC Speaker 33. GPU Link

10. Marvell Sata 6G Ports 22. PCI-E Slot 16x/8x 34. Probe It Header

11. ECP Header 23. PCI-E Slot 8x 35 BIOS Selector Switch

12. Front Panel Connectors 24. PCI-E Slot 8x/4x