Want to add a 250GB Ulta ATA drive to P4 computer currently booting 98SE on generic IDE HD. Goal is to dual boot - XP Pro on ATA & 98SE on IDE (Reason: Legacy software). Have SATA/150 + Ultra ATA/133 combo PCI card available to install. Current drives on system: 20GB IDE HD, 1 CD-RW, 1 3.5 Floppy. Need to know: 1) Good or bad idea, 2) If good, how to do the job. I am novice level at adding hardware & configuring BIOS.