Multifunction card

A multifunction card, also known as a multifunction board, is a type of expansion card for personal computers (PCs) that combines the functions of multiple single-purpose cards in order to free up expansion slots for use with other cards. A multifunction card may combine the functionality of, for example, a random-access memory (RAM) card, a real-time clock (RTC) card, and a game port card.

A multi-I/O card is a type of multifunction card that specifically combines the functions of cards dedicated to input/output (I/O), including serial, parallel, floppy, and hard disk controller cards.

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