Specifications

1. CPU Socket – For Intel LGA 775 CPUs
11. Fan connectors – Connect auxiliary fans
to these headers
21. PCI slots – For PCI based components
2. nForce 790i SLI SPP with Active Cooling – Also
known as the Northbridge
12. HD Audio Connector – For Hi-Definition
Audio
22. PCI Express x16 slots (SLI) – For graphics cards,
multiple slots are used for SLI configurations
3. CPU fan connector – Connect CPU Fan to this
connector
13. Front panel connector – For use with a
system chassis
23. PCI Express x1 slot – Exclusive for devices that
require a PCI-E x1 slot
4. DDR3 DIMM slots 0 – 3 – For System Memory
14. Serial connector – For Serial Port Cable
24. SPDIF connector – Digital Audio connection
5. 24-pin ATX power connector – Main Power
Connection
15. CMOS Clear Button – Easily clears the
system BIOS
25. Backpanel connectors (Figure 2)
6. IDE connector – For IDE devices such as a CD-ROM
or Hard Disk Drive
16. USB headers – For USB Port Cable
26. Heat dissipater – Passive heatsink for Voltage
Regulators
7. Serial-ATA (SATA) connectors – For SATA devices
such as a CD-ROM or Hard Disk Drive
17. 1394a connector – For Firewire Port Cable
27. 8-pin ATX_12V power connector – CPU 8-Pin
Power connector
8. FDD connector – Floppy Disk Drive Connector
18. Power button – With integrated power LED
indicator
28. MCP/SPP fan connector – Connect Northbridge
fan to this connector
9. NVIDIA MCP (passive heat sink) – Also known as
the Southbridge
19. Reset button – With integrated HDD
activity LED
29. Motherboard CMOS Battery – Helps retain
system BIOS settings
10. LED POST Code Readout – See Appendix A. for Code
Descriptions
20. Front panel Audio connector – For use
with a system chassis
Figure 1. EVGA nForce 790i SLI FTW Motherboard Layout
21
1
4
3
5
10
8
9
7
6
13
14
16
17
21
22
21
23
22
25
27
7
22
18
11
15
26
11
19
11
16
23
7
20
11
29
2
7
7
28
12
24