Extended Industry-Standard Architecture
(EISA) /eesa/ Abus standard forIBM compatibles that extends theISA bus architecture to32 bits and allows more than oneCPU to share the bus. Thebus mastering support is also enhanced to provide access to4 GB of memory. UnlikeMCA, EISA can accept olderXT busarchitecture andISA boards.
EISA was announced in late 1988 by compatible vendors as acounter toIBM's MCA in itsPS/2 series. Althoughsomewhat inferior to the MCA it became much more popular dueto the proprietary nature of MCA.[Main sponsors? Open standard?]Last updated:1996-06-25
Nearby terms:
eXtended Graphics Array ♦Extended Industry-Standard Architecture ♦extended memory
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