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Killer poke

In computer jargon, a killer poke is a method of inducing hardware damage on a machine via insertion of invalid values (see poke) into a memory-mapped control register.

The term is used especially of various fairly well-known tricks that can overload the analog electronics in the CRT monitor of bitty boxes lacking hardware memory management (such as the IBM PC and Commodore PET).

This article (or an earlier version of it) contains material from FOLDOC, used with permission.