You will have to enable the pata port in the bios. In latest mobos the pata ports are disabled by default since its an old technology and most people use only sata hdds nowadays. Moreover if possible sell your IDE drive and get a sata 250 or 500gb since IDEs support only a transfer speed of 133Mb/s and SATAs support 300Mb/s. Moreover your system speed wont be bottlenecked by your HDD