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.)
Peripheral Component Interconnect is a local computer bus for attaching hardware devices in a computer and is part of the PCI Local Bus standard. The PCI bus supports the functions found on a processo
Plug and play
…of modifications to hardware, the system BIOS, and operating system software to automatically manage resource allocations. It was superseded by the PCI bus during the mid-1990s. The PCI plug and play (autoconfiguration) is based on the PCI BIOS Specification in 1990s, the PCI BIOS Specification is…
Three 5-volt 32-bit PCI expansion slots on a motherboard (PC bracket on left side)
A motherboard with two 32-bit PCI slots and two sizes of PCI Express slots
A PCI-X Gigabit Ethernet expansion card with both 5 V and 3.3 V support notches, side B toward the camera
A semi-inserted PCI-X card in a 32-bit PCI slot, illustrating the need for the rightmost notch and the extra room on the motherboard to remain backward compatible