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Example of a klm digital I/O expansion card using a large square chip from PLX Technology to handle the PCI bus interface PCI expansion slot 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 ...
A host adapter, host controller or host bus adapter (HBA) is a circuit board or device which allows peripheral devices (usually internal) to interface with a computer. [6] [3] Host bus adapters are used to connect hard drives, networks, and USB peripherals. They are commonly integrated into motherboards but can also take the form of an ...
The earliest hard disk drive (HDD) interfaces were bit serial data interfaces that connected an HDD to a controller with two cables, one for control and one for data. [a] An additional cable was used for power, initially frequently AC but later usually connected directly to a DC power supply unit. The controller provided significant functions ...
M.2, pronounced m dot two [1] and formerly known as the Next Generation Form Factor (NGFF), is a specification for internally mounted computer expansion cards and associated connectors. M.2 replaces the Mini SATA ( mSATA ) standard and the Mini PCIe ( mPCIe ) standard (which is how it got the short name of M dot 2 from being Mini SATA 2).
Each cable has two or three connectors, one of which plugs into a host adapter interfacing with the rest of the computer system. The remaining connector(s) plug into storage devices, most commonly hard disk drives or optical drives. Each connector has 39 physical pins arranged into two rows (2.54 mm, 1 ⁄ 10-inch pitch), with a gap or key at ...
4-pin Molex (Japan) Ltd power connectors (usually called Mini-connector, mini-Molex, or Berg connector): This is one of the smallest connectors that supplies a 3.5-inch floppy drive with power. In some cases, it can be used as an auxiliary connector for Accelerated Graphics Port (AGP) video cards. Its cable configuration is similar to the ...
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Fibre Channel host bus adapter. The term host bus adapter (HBA) may be used to refer to a Fibre Channel interface card. In this case, it allows devices in a Fibre Channel storage area network to communicate data between each other – it may connect a server to a switch or storage device, connect multiple storage systems, or connect multiple servers. [2]