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[ The PC Guide | Systems and Components Reference Guide | Motherboard and System Devices | System Resources | Plug and Play ]

Plug and Play and Non-Plug-and-Play Devices

Devices that do not support the PnP standard can be used in a PnP system, but they present special problems. These are called legacy devices, which is geekspeak for "old hardware we have to keep using even though it doesn't have the capabilities we wish it did". :^) They make resource assignment much more difficult because they cannot be automatically configured by the BIOS.

Generally, the BIOS deals with non-PnP devices by ignoring them. It simply considers them as "part of the scenery" and avoids any resources they are using. There is usually no problem using these devices with PnP, but using too many non-PnP devices can make it more difficult for PnP to work, due to the large number of resources that it is not allowed to touch.

Next: "Plug and Pray" :^)

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