XFX nForce 790i 3-Way SLI Motherboard
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1. CPU Socket 11. Fan connectors 21. PCI slots
2. nForce 790i Ultra SLI heatpipe 12. HDA and SPDIF connector 22. PCI Express x16 slots (SLI)
3. CPU fan connector 13. Front panel connector 23. PCI Express x1 slot
4. DDR3 DIMM slots 0 - 3 14. Serial connector 24. SATA connector
5. 24-pin ATX power connector 15. Clear CMOS Jumper 25. Backpanel connectors (Figure 2)
6. IDE connector 16. USB headers 26. Heat dissipater
7. Serial-ATA (SATA) connectors 17. 1394a connector 27. 8-pin ATX_12V power connector
8. FDD connector 18. Power button 28. MCP/SPP fan connector
9. NVIDIA MCP (passive heat sink) 19. Reset Button 29. Motherboard battery
10. Diagnostic code display 20. Front panel Audio connector
Figure 1. XFX nForce 790i Ultra SLI Motherboard Layout
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