<operating system> (ESCD) An area of memory, not exceeding 32 kilobytes in size, used by MS-DOS(?) as NVRAM for PNP BIOS and PNP OS. It must be writeable at run time.
Intel's ICU also uses ESCD to store information for PNP ISA cards and legacy ISA cards.
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Nearby terms: Extended ML « Extended Pascal « Extended Self-containing Prolog « Extended System Configuration Data » Extended Systems Modelling Language » Extended Tcl » Extended Tiny