The CIH virus has everyone on edge, causing quite a stir. While previous viruses could only damage data on hard drives at most, the CIH virus can infiltrate the Flash BIOS on the motherboard, corrupt its content, and render the motherboard useless. The lesson from CIH tells us: don't underestimate the destructive power of viruses on hardware. Many people are now starting to worry: as CIH becomes more and more ferocious, will there be more viruses that destroy hardware? In fact, after analyzing, I found that the methods by which viruses destroy hardware are roughly as follows: