i am using p4 board and was using an ata ide hdd...the motherboard came with a sata1 and sata2 ports on it...i upgraded my hdd to a samsung 320gig sata hdd..i installed the hardware..turned on the pc..then the tower turns on and the hdd led light stays red without blinking and the monitor just stays in standby mode...its like its not booting up or something...please advice...thanks alot...