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Expansion card
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In computing, an expansion card, also known as an expansion board, adapter card, peripheral card or accessory card, is a printed circuit board that can be inserted into an electrical connector, or exp
Example of a PCI digital I/O expansion card using a large square chip from PLX Technology to handle the PCI bus interface
Example of a PCI digital I/O expansion card using a large square chip from PLX Technology to handle the PCI bus interface
Altair 8800b from March 1976 with an 18-slot S-100 backplane which housed both the Intel 8080 mainboard and many expansion boards
Altair 8800b from March 1976 with an 18-slot S-100 backplane which housed both the Intel 8080 mainboard and many expansion boards
Rack of IBM Standard Modular System expansion cards in an IBM 1401 computer using a 16-pin gold plated edge connector first introduced in 1959
Rack of IBM Standard Modular System expansion cards in an IBM 1401 computer using a 16-pin gold plated edge connector first introduced in 1959
Configuration DIP switches in a 16-pin through-hole package as often found in ISA expansion cards from the 1980s
Configuration DIP switches in a 16-pin through-hole package as often found in ISA expansion cards from the 1980s
Motherboard
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A motherboard, also known as a mainboard, system board, logic board, and informally mobo, is the main printed circuit board in general-purpose computers and other expandable systems. It holds and allo
Expansion card
…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 design of the computer's case and motherboard involves placing most (or…
Mainboard of a NeXTcube computer (1990), featuring a Motorola 68040 microprocessor running at 25 MHz and a digital signal processor Motorola 56001 ope
Mainboard of a NeXTcube computer (1990), featuring a Motorola 68040 microprocessor running at 25 MHz and a digital signal processor Motorola 56001 operating at 25 MHz. The DSP was directly accessible via a connector on the rear panel.
The Octek Jaguar V motherboard from 1993. This board has few onboard peripherals, as evidenced by the 6 slots provided for ISA cards and the lack of o
The Octek Jaguar V motherboard from 1993. This board has few onboard peripherals, as evidenced by the 6 slots provided for ISA cards and the lack of other built-in external interface connectors. Note the large AT keyboard connector at the back right is its only peripheral interface.
The motherboard of a Samsung Galaxy SII; almost all functions of the device are integrated into a very small board.
The motherboard of a Samsung Galaxy SII; almost all functions of the device are integrated into a very small board.
A motherboard of a Vaio E series laptop (right)
A motherboard of a Vaio E series laptop (right)