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IRMA board

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Last Updated May 24, 2021 7:46 am

A popular expansion board for PCs and Macintoshes that enables these personal computers to emulate IBM 3278 and 3279 mainframe terminals. In other words, personal computers with IRMA boards can function as both stand-alone computers and as terminals connected to a mainframe computer. IRMA boards are made by a company called DCA.