At present, I haven't heard of any virus that can destroy the motherboard. There was one before (the famous CIH virus), but now it has no destructive effect.Besides, the motherboard itself is unlikely to carry viruses, because there is no space to store viruses on the motherboard.
ZOL Q&A>Chassis>other>Does the motherboard contain virus? I bought a new 2-hand-operated motherboard and installed a new system, but it has only been used for a short time