Plug and play
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In computing, a plug and play device or computer bus is one with a specification that facilitates the recognition of a hardware component in a system without the need for physical device configuration
A third-party serial interface card for the Apple II. The user cut the wire traces between the thinly connected ⧓ triangles at X1 and X3 and soldered across the unconnected ◀▶ pads at X2 and X4 at the center of the card. Reverting the modification was more difficult.
A NuBus expansion card without jumpers or DIP switches
An MCA expansion card without jumpers or DIP switches
An example of an ISA interface card with extremely limited interrupt selection options, a common problem on PC ISA interfaces. Kouwell KW-524J dual serial, dual parallel port, 8-bit ISA, manufactured in 1992: * Serial 1: IRQ 3/4/9 * Serial 2: IRQ 3/4/9 * Parallel 1: IRQ 5/7 * Parallel 2: IRQ 5/7 (There is no technical reason why 3,4,5,7,9 cannot all be selectable choices for each port.)
Legacy Plug and Play
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The term Legacy Plug and Play, also shortened to Legacy PnP, describes a series of specifications and Microsoft Windows features geared towards operating system configuration of devices, and some devi
The sound card Sound Blaster AWE32 PNP CT3990 had a Plug-and-Play ISA Bus interface chip (large square chip, mid of bottom row).