I just got this mobo along with a P4 2.4B, GF4 Ti 4200, and a stick of 256M PC-2700 (Corsair). On the first power on, it shut off after a few seconds. Since then, it just gives continuous beeps. It has power - fans on CPU, case, and GF4 all spin, lights on CD ROMs lit up, etc. It's not shorting...