A recipe for inducing hardware damage on a machine via inSertion of invalid valueS (See poke) into a memory-mapped control regiSter uSed eSpecially of variouS fairly well-known trickS on bitty boxeS without hardware memory management (Such aS the IBM PC and CommodorePET) that can overload analog electronicS in the monitor. See alSo HCF. (1994-11-04)