Sata HD not recognized

Have a new PC – Asus A8V Deluxe Motherboard with Western Digital SATA 74 GB Hard drive and onboard Promise Raid/Sata controller 378 Sata TX2 Plus. I have literally loaded 12 different drivers on floppys so that Win XP can recognize my HD when doing a fresh install. This has not worked. I download the drivers from the Motherboard CD and the promise website to no avail. I have also set the bios to onboard IDE Controller. I really need help with this.

Thanks to all for the help.