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A port expander is a device that allows one port on a computer system to connect to multiple devices. Two basic forms of port expander exist: internal and external. An internal expander has a connection inside the computer, typically on the motherboard, and the only part the user sees is the expansion plate containing multiple ports.
In computing, an expansion card (also called an expansion board, adapter card, peripheral card or accessory card) is a printed circuit board that can be inserted into an electrical connector, or expansion slot (also referred to as a bus slot) on a computer's motherboard (see also backplane) to add functionality to a computer system. Sometimes ...
Examples of computer connector sockets on various laptops Ports on the back of the Apple Mac Mini (2005) A computer port is a hardware piece on a computer where an electrical connector can be plugged to link the device to external devices, such as another computer, a peripheral device or network equipment. [1] This is a non-standard term.
NES Controller 2 (Basic) The SNES styled NES controller created for the NES-101. It's also nicknamed the Dog Bone controller. NES-039. Nintendo: Double Player Wireless head-to-head system. Acclaim: ENIO EXP Board: Allows Famicom expansion port accessories to be used on the original NES, also mixes extra audio input from the cartridge slot ...
All device access uses a generic file-based I/O mechanism, allowing new devices to be added without updating software. The Peripheral Expansion System can hold two RS-232 cards, for a total of four RS-232 ports and two parallel printer ports. The computer supports two cassette drives through a dedicated port, using a custom data format.
An expansion card in computing is a printed circuit board that can be inserted into an expansion slot of a computer motherboard or backplane to add functionality to a computer system via the expansion bus. Expansion cards can be used to obtain or expand on features not offered by the motherboard.
It also needed interrupt facilities and hot plugging, which required the definition of new BIOS and operating system interfaces. [7] This led to the introduction of release 2.0 of the PCMCIA standard and JEIDA 4.1 in September 1991, [7] [8] which saw corrections and expansion with Card Services (CS) in the PCMCIA 2.1 standard in November 1992 ...
Originally developed by the Personal Computer Memory Card International Association (), the ExpressCard standard is maintained by the USB Implementers Forum ().The host device supports PCI Express, USB 2.0 (including Hi-Speed), and USB 3.0 (SuperSpeed) [2] (ExpressCard 2.0 only) connectivity through the ExpressCard slot; cards can be designed to use any of these modes.