5
Chapter 1 Product Introduction
NF4K8AB Series User Manual
Motherboard Layout
1. PCI Express x1 slots
3. Front Audio connector
5. PEX PLL REFCLK jumper
7. F_1394 connector (optional)
9. SPDIF_OUT connector
11.Recovery jumper
13.FAN1 connector
15. Clear CMOS jumper
17. BIOS TBL Enable jumper
19. FAN2 connector
21. Intruder connector
23. SATA connectors
25. Chipset: NVIDIA nForce4
27. 24-pin power connector
29. CPU_FAN connector
31. PCI Express x16 slot
2. CD_IN connector
4. Termination enable jumper
6. PCI slots
8. Auxiliary PEX power connector
10. ROM Table Select jumper
12. PEX REFCLK jumper
14. Speaker connector
16. Floppy drive connector
18. IrDA connector
20. Front Panel connector
22. Front USB connectors
24. Primary IDE connector
26. Secondary IDE connector
28. DDR DIMM slots
30. Socket 754
32. 12V CPU power connector
16
14
19
17
13
18
20 21
8
7
4
3
2
1
6
24
22 23
26
27
25
28
29
30
31
32
10
5
11
15
Note:
The above motherboard layout is provided for reference only; please
refer to the physical motherboard.
12
9