i have a biostar motherboard processor combo part # nf61sm7com59 the cpu is a socket 754 amd sempron/athlon 64 processor.when i installed it and went to start the computer the processor fan starts to turn then stops.the specs say it supports ddr 400/333 memory i have two memory modules one is a pc3200u-30330 512mb ddr 400mhz cl3 and the other is a corsair cmx1024-3200pt xms3200 400mhz 3-3-3-8.will they work with this board? if so will they work installed together?because i can't fiqure out whats preventing the computer from starting.the case is new with a 480 watt power supply.