The 350 used PCs showed up very quickly. Most of their hard disks were crammed with pirate software, viruses, and pornography, but that posed no problems. Van stuck the 350 PC motherboards into hand-welded frames. He installed a completely new operating system that turned them all into small components of a monster system. Grendel was installed in a spare Internet rack in the bowels of the Vault, directly connected to all-powerful servers in the NSA’s Fort Meade.