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Computing (FOLDOC) dictionary
DOS Protected Mode Interface
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(DPMI) The method which Microsoft prescribes for a DOS
program to access extended memory under a multitasking
environment, e.g. Microsoft Windows. This service is
provided by the HIMEM.SYS driver on IBM PCs.
The DPMI specification was finalized in 1990. The
specification itself is available from Intel LiteratureSales.
VCPI (Virtual Control Program Interface), which was an
alternative, and incompatible method for doing the same thing.