i am attempting to assemble my system (C2D 4500, MSI mobo, 2GB ddr2 800, dvd rom (for now), and WD 160 GB HDD IDE. my problem is that i have the 160 in another tower attempting to format the drive. 1. it only shows 149.05GB "unallocated" in disk management 2. when i attempt to format, it asks how much i want to partition. how much?? 3. once i do partition, what do i do with the rest of the space remaining?? thanks in advance to anyone that can help!!