OCZ 1010W Gamexstream Power Supply (OCZ1010GXSSLI) Power Supply "ip35" Questions

...mobo has a 4 pin next to it... i don't know if that is supposed to be plugged in also. Please help. IP35 pr abit Mobo q6600 2.4 o/c'd to 3.3 3 gigabytes of 1066 ram Nvidia 280 1x 500gb hitachi sata2 ...