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Plug and Play

Plug and Play (PnP) is a specification that uses technology enhancements in hardware, BIOSes and operating systems, to enable supported devices to have their system resource usage (IRQs, I/O port addresses, DMA channels) set automatically. Intended to help eliminate some of the problems with getting peripheral devices to work without stepping on each other's toes, Plug and Play requires support from the chipset as well. It is discussed in full detail here.

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