Back in the day there were two interesting bugs... Bug 1 was the Intel F00F instruction which caused the processor to immediately halt. Bug 2 is that it was p

Back in the day there were two interesting bugs... Bug 1 was the Intel F00F instruction which caused the processor to immediately halt. Bug 2 is that it was possible to create monitor settings which would cause a CRT monitor to catch fire. So... just for grins... set the monitor to "catch fire" setting and then execute F00F. A real and practical "halt and catch fire".