i had a via 845gl board,512 mb ddr,80 gb hd,nvidia mx 4000 with windows xp sp2 pro.i recently bought a new motherboard that is asrock p4i845gv.on installation the system gives the error STOP 0X0000007B(0XF8B18640,0XC0000034,0X00000000,0X00000000) and says something about hard disk...