Why does trying to break into the NT 3.1 kernel reboot my 486DX4 machine?

Link: https://retrocomputing.stackexchange.com/questions/19655/why-does-trying-to-break-into-the-nt-3-1-kernel-reboot-my-486dx4-machine
Discussion: https://news.ycombinator.com/item?id=37684986