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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 ...
The hardware of PC computers additionally limited device expansion options because interrupts could not be shared, and some multifunction expansion cards would use multiple interrupts for different card functions, such as a dual-port serial card requiring a separate interrupt for each serial port.
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.
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.
HP Pavilion dv6000 laptop (dv6618eo) with xb3000 Expansion Base. The HP xb3000 Notebook Expansion Base is a laptop docking station manufactured by Hewlett-Packard Company.It was first introduced alongside HP's new line of mobility products in May 2006, which includes the dv2000 series of HP Pavilion laptops.
A few games released for the Amiga home computer system after 1995 included support for custom-built multitaps. Instructions for how to build a multitap were included in the manual to classic Amiga racing sequel Super Skidmarks. [5] The Amiga multitap would plug into the computer's parallel port and provide two additional ports for use.
A power adapter is included with these cards, and is usually plugged into one of the USB ports on the computer. There are also three-port USB 3.0 ExpressCard expansions available, providing up to three SuperSpeed USB 3.0 ports, however these tend to be more problematic than two-port ones as many USB 3.0-compliant devices require much higher ...