Well tell us what you want to salvage from you old pc and price, you are looking at and we can figured out a good setup for you.
And useless a virus flashed the bios, a virus cant fuck up a motherboard
Ive got 2 1/2 gigs of Ram in there, not sure what kind. Everything else I could give a shit less about. I dont even really care about my HD, it was slow and old. So Im just going to build one.