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Game Development Dictionary


MCA Bus


IBM's PS/2 32-bit expansion bus. In 1987, IBM created the PS/2, with a 32-bit expansion bus, to replace the original PC's ISA 8 bit (and later 16 bit) buses. The MCA bus was patented, so other brands than IBM couldn't use them. That has lead a consortium to create EISA bus. Very few cards are in MCA bus nowadays.


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