north and southbridge both makes the base of motherboard, north (as closer to ram/cpu, bacisally takes conmtrol of the data execution and flow from h/d's and the cpu/ram/pci. the nb chip communicates the cpu via the FSB, bigger/better and vice verca
southbridge has other controllers, like on board audio/lan/sata/ide controlelrs (either integrated or bypass)
Intel Core2Quad 2.66Ghz 12MB L2-Cache
4096MB DDR Kingston Hyper-X
XFX 9600GT AlphaDog
Seagate 2 X 320GB SATA2
LG L246WH Flatron 24"