ok so i finally got all the parts for my computer. Shuttle with 800mhz FSB 3.0E P4 w/HT 200g Seagate SATA HD 2x512MB DDR (Corsair) .... im pretty sure i hooked up everything the way its supposed to be. but the HD doesnt have an operating system, so i dont know what to do next. if anyone has done this before and knows what to do next, please help. thank you.