In computer hardware, a feature of the Accelerated Graphics Port (AGP). This feature maximizes the efficiency and throughput of the AGP bus, by separating the address bus from the data bus via the addition of 8 extra 8-bit wide interface sideband lines (Sideband Address Port). This allows the graphics controller to issue new AGP requests and commands at the same time with other AGP data flowing via the main 32 address/data (AD) lines. This results in improving overall AGP data throughput. Computer hardware is the physical part of a computer, including the digital circuitry, as distinguished from the computer software that executes within the hardware. ... AGP slot (maroon), although the color is usually brown. ... An address bus is (part of) a computer bus, used by CPUs or DMA-capable units for communicating the physical addresses of computer memory elements/locations that the requesting unit wants to access (read/write). ... In computer architecture, a bus is a subsystem that transfers data or power between computer components inside a computer or between computers. ... Look up interface in Wiktionary, the free dictionary. ...